diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 20 | ||||
| -rw-r--r-- | gdb/MAINTAINERS | 2 | ||||
| -rw-r--r-- | gdb/Makefile.in | 17 | ||||
| -rw-r--r-- | gdb/NEWS | 15 | ||||
| -rw-r--r-- | gdb/abug-rom.c | 182 | ||||
| -rw-r--r-- | gdb/config/d10v/d10v.mt | 4 | ||||
| -rw-r--r-- | gdb/config/m68k/monitor.mt | 4 | ||||
| -rw-r--r-- | gdb/configure.tgt | 3 | ||||
| -rw-r--r-- | gdb/cpu32bug-rom.c | 180 | ||||
| -rw-r--r-- | gdb/d10v-tdep.c | 1579 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 28 | ||||
| -rw-r--r-- | gdb/doc/gdbint.texinfo | 16 | ||||
| -rw-r--r-- | gdb/dwarf2read.c | 2 | ||||
| -rw-r--r-- | gdb/dwarfread.c | 3820 | ||||
| -rw-r--r-- | gdb/elfread.c | 25 | ||||
| -rw-r--r-- | gdb/remote-est.c | 186 | ||||
| -rw-r--r-- | gdb/rom68k-rom.c | 264 | ||||
| -rw-r--r-- | gdb/symfile.h | 5 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.asm/asm-source.exp | 3 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.asm/d10v.inc | 55 | ||||
| -rw-r--r-- | gdb/testsuite/lib/gdb.exp | 3 |
23 files changed, 57 insertions, 6368 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 1cb44c7..7f24ce1 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,25 @@ 2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * MAINTAINERS: Remove d10v entry. + * Makefile.in (SFILES): Remove dwarfread.c. + (COMMON_OBS): Remove dwarfread.o. + (gdb_sim_d10v_h, abug-rom.o, cpu32bug-rom.o, d10v-tdep.o, dwarfread.o) + (remote-est.o, rom68k-rom.o): Delete. + * NEWS: Mention removal of d10v, target abug, target cpu32bug, + target est, target rom68k, and DWARF 1. + * configure.tgt: Mark d10v as removed. + * dwarf2read.c: Doc update. + * elfread.c (struct elfinfo): Remove dboffset, dbsize, lnoffset, + and lnsize. + (elf_locate_sections): Do not set them. + (elf_symfile_read): Do not call dwarf_build_psymtabs. + * symfile.h (dwarf_build_psymtabs): Delete prototype. + * config/m68k/monitor.mt (TDEPFILES): Prune. + * abug-rom.c, cpu32bug-rom.c, d10v-tdep.c, dwarfread.c, + remote-est.c, rom68k-rom.c, config/d10v/d10v.mt: Delete. + +2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * doublest.c (convert_floatformat_to_doublest): Use floatformat_classify. (floatformat_is_nan): Rename to... diff --git a/gdb/MAINTAINERS b/gdb/MAINTAINERS index ab1e033..021f456 100644 --- a/gdb/MAINTAINERS +++ b/gdb/MAINTAINERS @@ -259,8 +259,6 @@ the native maintainer when resolving ABI issues. cris --target=cris-elf ,-Werror , (sim does not build with -Werror) - d10v OBSOLETE - frv --target=frv-elf ,-Werror h8300 --target=h8300-elf ,-Werror diff --git a/gdb/Makefile.in b/gdb/Makefile.in index e275147..c200ce9 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -532,7 +532,7 @@ SFILES = ada-exp.y ada-lang.c ada-typeprint.c ada-valprint.c \ cp-abi.c cp-support.c cp-namespace.c cp-valprint.c \ cp-name-parser.y \ dbxread.c demangle.c dictionary.c disasm.c doublest.c dummy-frame.c \ - dwarfread.c dwarf2expr.c dwarf2loc.c dwarf2read.c dwarf2-frame.c \ + dwarf2expr.c dwarf2loc.c dwarf2read.c dwarf2-frame.c \ elfread.c environ.c eval.c event-loop.c event-top.c expprint.c \ f-exp.y f-lang.c f-typeprint.c f-valprint.c findvar.c frame.c \ frame-base.c \ @@ -611,7 +611,6 @@ mep_opc_h = $(OPCODES_SRC)/mep-opc.h sh_opc_h = $(OPCODES_SRC)/sh-opc.h gdb_callback_h = $(INCLUDE_DIR)/gdb/callback.h gdb_sim_arm_h = $(INCLUDE_DIR)/gdb/sim-arm.h -gdb_sim_d10v_h = $(INCLUDE_DIR)/gdb/sim-d10v.h gdb_sim_frv_h = $(INCLUDE_DIR)/gdb/sim-frv.h gdb_sim_m32c_h = $(INCLUDE_DIR)/gdb/sim-m32c.h gdb_sim_ppc_h = $(INCLUDE_DIR)/gdb/sim-ppc.h @@ -956,7 +955,7 @@ COMMON_OBS = $(DEPFILES) $(CONFIG_OBS) $(YYOBJ) \ gdb-events.o \ exec.o bcache.o objfiles.o observer.o minsyms.o maint.o demangle.o \ dbxread.o coffread.o coff-pe-read.o elfread.o \ - dwarfread.o dwarf2read.o mipsread.o stabsread.o corefile.o \ + dwarf2read.o mipsread.o stabsread.o corefile.o \ dwarf2expr.o dwarf2loc.o dwarf2-frame.o \ ada-lang.o c-lang.o f-lang.o objc-lang.o \ ui-out.o cli-out.o \ @@ -1705,8 +1704,6 @@ stamp-xml: $(srcdir)/features/feature_to_c.sh Makefile $(XMLFILES) # gdb/ dependencies # -abug-rom.o: abug-rom.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ - $(serial_h) $(regcache_h) $(m68k_tdep_h) ada-exp.o: ada-exp.c $(defs_h) $(gdb_string_h) $(expression_h) $(value_h) \ $(parser_defs_h) $(language_h) $(ada_lang_h) $(bfd_h) $(symfile_h) \ $(objfiles_h) $(frame_h) $(block_h) $(ada_lex_c) @@ -1918,8 +1915,6 @@ cp-support.o: cp-support.c $(defs_h) $(cp_support_h) $(gdb_string_h) \ $(demangle_h) $(gdb_assert_h) $(gdbcmd_h) $(dictionary_h) \ $(objfiles_h) $(frame_h) $(symtab_h) $(block_h) $(complaints_h) \ $(gdbtypes_h) -cpu32bug-rom.o: cpu32bug-rom.c $(defs_h) $(gdbcore_h) $(target_h) \ - $(monitor_h) $(serial_h) $(regcache_h) $(m68k_tdep_h) cp-valprint.o: cp-valprint.c $(defs_h) $(gdb_obstack_h) $(symtab_h) \ $(gdbtypes_h) $(expression_h) $(value_h) $(command_h) $(gdbcmd_h) \ $(demangle_h) $(annotate_h) $(gdb_string_h) $(c_lang_h) $(target_h) \ @@ -1937,7 +1932,6 @@ c-typeprint.o: c-typeprint.c $(defs_h) $(gdb_obstack_h) $(bfd_h) $(symtab_h) \ c-valprint.o: c-valprint.c $(defs_h) $(gdb_string_h) $(symtab_h) \ $(gdbtypes_h) $(expression_h) $(value_h) $(valprint_h) $(language_h) \ $(c_lang_h) $(cp_abi_h) $(target_h) -# OBSOLETE d10v-tdep.o: d10v-tdep.c dbug-rom.o: dbug-rom.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ $(serial_h) $(regcache_h) $(m68k_tdep_h) dbxread.o: dbxread.c $(defs_h) $(gdb_string_h) $(gdb_obstack_h) \ @@ -1979,9 +1973,6 @@ dwarf2read.o: dwarf2read.c $(defs_h) $(bfd_h) $(symtab_h) $(gdbtypes_h) \ $(complaints_h) $(bcache_h) $(dwarf2expr_h) $(dwarf2loc_h) \ $(cp_support_h) $(hashtab_h) $(command_h) $(gdbcmd_h) \ $(gdb_string_h) $(gdb_assert_h) -dwarfread.o: dwarfread.c $(defs_h) $(symtab_h) $(gdbtypes_h) $(objfiles_h) \ - $(elf_dwarf_h) $(buildsym_h) $(demangle_h) $(expression_h) \ - $(language_h) $(complaints_h) $(gdb_string_h) elfread.o: elfread.c $(defs_h) $(bfd_h) $(gdb_string_h) $(elf_bfd_h) \ $(elf_mips_h) $(symtab_h) $(symfile_h) $(objfiles_h) $(buildsym_h) \ $(stabsread_h) $(gdb_stabs_h) $(complaints_h) $(demangle_h) @@ -2537,8 +2528,6 @@ remote-e7000.o: remote-e7000.c $(defs_h) $(gdbcore_h) $(gdbarch_h) \ $(inferior_h) $(target_h) $(value_h) $(command_h) $(gdb_string_h) \ $(exceptions_h) $(gdbcmd_h) $(serial_h) $(remote_utils_h) \ $(symfile_h) $(regcache_h) -remote-est.o: remote-est.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ - $(serial_h) $(regcache_h) $(m68k_tdep_h) remote-fileio.o: remote-fileio.c $(defs_h) $(gdb_string_h) $(gdbcmd_h) \ $(remote_h) $(gdb_fileio_h) $(gdb_wait_h) $(gdb_stat_h) \ $(exceptions_h) $(remote_fileio_h) @@ -2558,8 +2547,6 @@ remote-sim.o: remote-sim.c $(defs_h) $(inferior_h) $(value_h) \ remote-utils.o: remote-utils.c $(defs_h) $(gdb_string_h) $(gdbcmd_h) \ $(target_h) $(serial_h) $(gdbcore_h) $(inferior_h) $(remote_utils_h) \ $(regcache_h) -rom68k-rom.o: rom68k-rom.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \ - $(serial_h) $(regcache_h) $(value_h) $(m68k_tdep_h) rs6000-nat.o: rs6000-nat.c $(defs_h) $(inferior_h) $(target_h) $(gdbcore_h) \ $(xcoffsolib_h) $(symfile_h) $(objfiles_h) $(libbfd_h) $(bfd_h) \ $(exceptions_h) $(gdb_stabs_h) $(regcache_h) $(arch_utils_h) \ @@ -87,6 +87,7 @@ qXfer:features:read: Support for these obsolete configurations has been removed. +d10v-*-* hppa*-*-hiux* i[34567]86-ncr-* i[34567]86-*-dgux* @@ -106,6 +107,20 @@ m68*-cisco*-* m68*-tandem-* rs6000-*-lynxos* +* Other removed features + +target abug +target cpu32bug +target est +target rom68k + + Various m68k-only ROM monitors. + +DWARF 1 support + + A debug information format. The predecessor to DWARF 2 and + DWARF 3, which are still supported. + *** Changes in GDB 6.6 * New targets diff --git a/gdb/abug-rom.c b/gdb/abug-rom.c deleted file mode 100644 index 1d11f8c..0000000 --- a/gdb/abug-rom.c +++ /dev/null @@ -1,182 +0,0 @@ -/* Remote debugging interface for ABug Rom monitor for GDB, the GNU debugger. - Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2007 - Free Software Foundation, Inc. - - Written by Rob Savoye of Cygnus Support - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "monitor.h" -#include "serial.h" -#include "regcache.h" - -#include "m68k-tdep.h" - -/* Prototypes for local functions. */ - -static void abug_open (char *args, int from_tty); - -static void -abug_supply_register (char *regname, int regnamelen, char *val, int vallen) -{ - int regno; - - if (regnamelen != 2) - return; - - switch (regname[0]) - { - case 'S': - if (regname[1] != 'R') - return; - regno = PS_REGNUM; - break; - case 'P': - if (regname[1] != 'C') - return; - regno = PC_REGNUM; - break; - case 'D': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_D0_REGNUM; - break; - case 'A': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_A0_REGNUM; - break; - default: - return; - } - - monitor_supply_register (regno, val); -} - -/* - * This array of registers needs to match the indexes used by GDB. The - * whole reason this exists is because the various ROM monitors use - * different names than GDB does, and don't support all the - * registers either. So, typing "info reg sp" becomes an "A7". - */ - -static const char * -abug_regname (int index) -{ - static char *regnames[] = - { - "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", - "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", - "PC", - }; - - if ((index >= (sizeof (regnames) / sizeof (regnames[0]))) - || (index < 0) || (index >= NUM_REGS)) - return NULL; - else - return regnames[index]; -} - -/* - * Define the monitor command strings. Since these are passed directly - * through to a printf style function, we need can include formatting - * strings. We also need a CR or LF on the end. - */ - -static struct target_ops abug_ops; - -static char *abug_inits[] = -{"\r", NULL}; - -static struct monitor_ops abug_cmds; - -static void -init_abug_cmds (void) -{ - abug_cmds.flags = MO_CLR_BREAK_USES_ADDR; - abug_cmds.init = abug_inits; /* Init strings */ - abug_cmds.cont = "g\r"; /* continue command */ - abug_cmds.step = "t\r"; /* single step */ - abug_cmds.stop = NULL; /* interrupt command */ - abug_cmds.set_break = "br %x\r"; /* set a breakpoint */ - abug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */ - abug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */ - abug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */ - abug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */ - abug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */ - abug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */ - abug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ - abug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ - abug_cmds.setmem.term = NULL; /* setreg.term */ - abug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ - abug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */ - abug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */ - abug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */ - abug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ - abug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */ - abug_cmds.getmem.term = NULL; /* getmem.term */ - abug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ - abug_cmds.setreg.cmd = "rm %s %x\r"; /* setreg.cmd (name, value) */ - abug_cmds.setreg.resp_delim = "="; /* setreg.resp_delim */ - abug_cmds.setreg.term = "? "; /* setreg.term */ - abug_cmds.setreg.term_cmd = ".\r"; /* setreg.term_cmd */ - abug_cmds.getreg.cmd = "rm %s\r"; /* getreg.cmd (name) */ - abug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */ - abug_cmds.getreg.term = "? "; /* getreg.term */ - abug_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */ - abug_cmds.dump_registers = "rd\r"; /* dump_registers */ - abug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */ - abug_cmds.supply_register = abug_supply_register; - abug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ - abug_cmds.load = "lo 0\r"; /* download command */ - abug_cmds.loadresp = "\n"; /* load response */ - abug_cmds.prompt = "135Bug>"; /* monitor command prompt */ - abug_cmds.line_term = "\r"; /* end-of-line terminator */ - abug_cmds.cmd_end = NULL; /* optional command terminator */ - abug_cmds.target = &abug_ops; /* target operations */ - abug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ - abug_cmds.regnames = NULL; /* registers names */ - abug_cmds.regname = abug_regname; - abug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ -}; - -static void -abug_open (char *args, int from_tty) -{ - monitor_open (args, &abug_cmds, from_tty); -} - -extern initialize_file_ftype _initialize_abug_rom; /* -Wmissing-prototypes */ - -void -_initialize_abug_rom (void) -{ - init_abug_cmds (); - init_monitor_ops (&abug_ops); - - abug_ops.to_shortname = "abug"; - abug_ops.to_longname = _("ABug monitor"); - abug_ops.to_doc = _("Debug via the ABug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."); - abug_ops.to_open = abug_open; - - add_target (&abug_ops); -} diff --git a/gdb/config/d10v/d10v.mt b/gdb/config/d10v/d10v.mt deleted file mode 100644 index 58d3dda..0000000 --- a/gdb/config/d10v/d10v.mt +++ /dev/null @@ -1,4 +0,0 @@ -# OBSOLETE # Target: Renesas D10V processor -# OBSOLETE TDEPFILES= d10v-tdep.o -# OBSOLETE SIM_OBS= remote-sim.o -# OBSOLETE SIM= ../sim/d10v/libsim.a diff --git a/gdb/config/m68k/monitor.mt b/gdb/config/m68k/monitor.mt index 0cae796..1ea8faf 100644 --- a/gdb/config/m68k/monitor.mt +++ b/gdb/config/m68k/monitor.mt @@ -1,3 +1,3 @@ -# Target: Motorola m68k embedded (EST emulator, rom68k and bug monitors) -TDEPFILES= m68k-tdep.o monitor.o remote-est.o cpu32bug-rom.o rom68k-rom.o abug-rom.o dbug-rom.o dsrec.o +# Target: Motorola m68k embedded (e.g. bug monitors) +TDEPFILES= m68k-tdep.o monitor.o dbug-rom.o dsrec.o DEPRECATED_TM_FILE= tm-monitor.h diff --git a/gdb/configure.tgt b/gdb/configure.tgt index f3ae8e8..9abf1d5 100644 --- a/gdb/configure.tgt +++ b/gdb/configure.tgt @@ -6,6 +6,7 @@ # gdb_target name of GDB target definition to use case $target in + d10v-*-* | \ hppa*-*-hiux* | \ i[34567]86-ncr-* | \ i[34567]86-*-lynxos* | \ @@ -92,8 +93,6 @@ avr-*-*) gdb_target=avr ;; cris*) gdb_target=cris ;; -# OBSOLETE d10v-*-*) gdb_target=d10v ;; - frv-*-*) gdb_target=frv ;; h8300-*-*) gdb_target=h8300 ;; diff --git a/gdb/cpu32bug-rom.c b/gdb/cpu32bug-rom.c deleted file mode 100644 index 422f8c2..0000000 --- a/gdb/cpu32bug-rom.c +++ /dev/null @@ -1,180 +0,0 @@ -/* Remote debugging interface for CPU32Bug Rom monitor for GDB, the GNU debugger. - Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2007 - Free Software Foundation, Inc. - - Written by Stu Grossman of Cygnus Support - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "monitor.h" -#include "serial.h" -#include "regcache.h" - -#include "m68k-tdep.h" - -static void cpu32bug_open (char *args, int from_tty); - -static void -cpu32bug_supply_register (char *regname, int regnamelen, char *val, int vallen) -{ - int regno; - - if (regnamelen != 2) - return; - - switch (regname[0]) - { - case 'S': - if (regname[1] != 'R') - return; - regno = PS_REGNUM; - break; - case 'P': - if (regname[1] != 'C') - return; - regno = PC_REGNUM; - break; - case 'D': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_D0_REGNUM; - break; - case 'A': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_A0_REGNUM; - break; - default: - return; - } - - monitor_supply_register (regno, val); -} - -/* - * This array of registers needs to match the indexes used by GDB. The - * whole reason this exists is because the various ROM monitors use - * different names than GDB does, and don't support all the - * registers either. So, typing "info reg sp" becomes an "A7". - */ - -static const char * -cpu32bug_regname (int index) -{ - static char *regnames[] = - { - "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", - "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", - "SR", "PC" - }; - - if ((index >= (sizeof (regnames) / sizeof (regnames[0]))) - || (index < 0) || (index >= NUM_REGS)) - return NULL; - else - return regnames[index]; -} - -/* - * Define the monitor command strings. Since these are passed directly - * through to a printf style function, we need can include formatting - * strings. We also need a CR or LF on the end. - */ - -static struct target_ops cpu32bug_ops; - -static char *cpu32bug_inits[] = -{"\r", NULL}; - -static struct monitor_ops cpu32bug_cmds; - -static void -init_cpu32bug_cmds (void) -{ - cpu32bug_cmds.flags = MO_CLR_BREAK_USES_ADDR; - cpu32bug_cmds.init = cpu32bug_inits; /* Init strings */ - cpu32bug_cmds.cont = "g\r"; /* continue command */ - cpu32bug_cmds.step = "t\r"; /* single step */ - cpu32bug_cmds.stop = NULL; /* interrupt command */ - cpu32bug_cmds.set_break = "br %x\r"; /* set a breakpoint */ - cpu32bug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */ - cpu32bug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */ - cpu32bug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */ - cpu32bug_cmds.setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */ - cpu32bug_cmds.setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */ - cpu32bug_cmds.setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */ - cpu32bug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ - cpu32bug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ - cpu32bug_cmds.setmem.term = NULL; /* setreg.term */ - cpu32bug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ - cpu32bug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */ - cpu32bug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */ - cpu32bug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */ - cpu32bug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ - cpu32bug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */ - cpu32bug_cmds.getmem.term = NULL; /* getmem.term */ - cpu32bug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ - cpu32bug_cmds.setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */ - cpu32bug_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ - cpu32bug_cmds.setreg.term = NULL; /* setreg.term */ - cpu32bug_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ - cpu32bug_cmds.getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */ - cpu32bug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */ - cpu32bug_cmds.getreg.term = NULL; /* getreg.term */ - cpu32bug_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ - cpu32bug_cmds.dump_registers = "rd\r"; /* dump_registers */ - cpu32bug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */ - cpu32bug_cmds.supply_register = cpu32bug_supply_register; - cpu32bug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ - cpu32bug_cmds.load = "lo\r"; /* download command */ - cpu32bug_cmds.loadresp = "\n"; /* load response */ - cpu32bug_cmds.prompt = "CPU32Bug>"; /* monitor command prompt */ - cpu32bug_cmds.line_term = "\r"; /* end-of-line terminator */ - cpu32bug_cmds.cmd_end = NULL; /* optional command terminator */ - cpu32bug_cmds.target = &cpu32bug_ops; /* target operations */ - cpu32bug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ - cpu32bug_cmds.regnames = NULL; /* registers names */ - cpu32bug_cmds.regname = cpu32bug_regname; - cpu32bug_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ -}; /* init_cpu32bug_cmds */ - -static void -cpu32bug_open (char *args, int from_tty) -{ - monitor_open (args, &cpu32bug_cmds, from_tty); -} - -extern initialize_file_ftype _initialize_cpu32bug_rom; /* -Wmissing-prototypes */ - -void -_initialize_cpu32bug_rom (void) -{ - init_cpu32bug_cmds (); - init_monitor_ops (&cpu32bug_ops); - - cpu32bug_ops.to_shortname = "cpu32bug"; - cpu32bug_ops.to_longname = "CPU32Bug monitor"; - cpu32bug_ops.to_doc = "Debug via the CPU32Bug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."; - cpu32bug_ops.to_open = cpu32bug_open; - - add_target (&cpu32bug_ops); -} diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c deleted file mode 100644 index aadac05..0000000 --- a/gdb/d10v-tdep.c +++ /dev/null @@ -1,1579 +0,0 @@ -// OBSOLETE /* Target-dependent code for Renesas D10V, for GDB. -// OBSOLETE -// OBSOLETE Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software -// OBSOLETE Foundation, Inc. -// OBSOLETE -// OBSOLETE This file is part of GDB. -// OBSOLETE -// OBSOLETE This program is free software; you can redistribute it and/or modify -// OBSOLETE it under the terms of the GNU General Public License as published by -// OBSOLETE the Free Software Foundation; either version 2 of the License, or -// OBSOLETE (at your option) any later version. -// OBSOLETE -// OBSOLETE This program is distributed in the hope that it will be useful, -// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of -// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// OBSOLETE GNU General Public License for more details. -// OBSOLETE -// OBSOLETE You should have received a copy of the GNU General Public License -// OBSOLETE along with this program; if not, write to the Free Software -// OBSOLETE Foundation, Inc., 51 Franklin Street, Fifth Floor, -// OBSOLETE Boston, MA 02110-1301, USA. */ -// OBSOLETE -// OBSOLETE /* Contributed by Martin Hunt, hunt@cygnus.com */ -// OBSOLETE -// OBSOLETE #include "defs.h" -// OBSOLETE #include "frame.h" -// OBSOLETE #include "frame-unwind.h" -// OBSOLETE #include "frame-base.h" -// OBSOLETE #include "symtab.h" -// OBSOLETE #include "gdbtypes.h" -// OBSOLETE #include "gdbcmd.h" -// OBSOLETE #include "gdbcore.h" -// OBSOLETE #include "gdb_string.h" -// OBSOLETE #include "value.h" -// OBSOLETE #include "inferior.h" -// OBSOLETE #include "dis-asm.h" -// OBSOLETE #include "symfile.h" -// OBSOLETE #include "objfiles.h" -// OBSOLETE #include "language.h" -// OBSOLETE #include "arch-utils.h" -// OBSOLETE #include "regcache.h" -// OBSOLETE #include "remote.h" -// OBSOLETE #include "floatformat.h" -// OBSOLETE #include "gdb/sim-d10v.h" -// OBSOLETE #include "sim-regno.h" -// OBSOLETE #include "disasm.h" -// OBSOLETE #include "trad-frame.h" -// OBSOLETE -// OBSOLETE #include "gdb_assert.h" -// OBSOLETE -// OBSOLETE struct gdbarch_tdep -// OBSOLETE { -// OBSOLETE int a0_regnum; -// OBSOLETE int nr_dmap_regs; -// OBSOLETE unsigned long (*dmap_register) (void *regcache, int nr); -// OBSOLETE unsigned long (*imap_register) (void *regcache, int nr); -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* These are the addresses the D10V-EVA board maps data and -// OBSOLETE instruction memory to. */ -// OBSOLETE -// OBSOLETE enum memspace { -// OBSOLETE DMEM_START = 0x2000000, -// OBSOLETE IMEM_START = 0x1000000, -// OBSOLETE STACK_START = 0x200bffe -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* d10v register names. */ -// OBSOLETE -// OBSOLETE enum -// OBSOLETE { -// OBSOLETE R0_REGNUM = 0, -// OBSOLETE R3_REGNUM = 3, -// OBSOLETE D10V_FP_REGNUM = 11, -// OBSOLETE LR_REGNUM = 13, -// OBSOLETE D10V_SP_REGNUM = 15, -// OBSOLETE PSW_REGNUM = 16, -// OBSOLETE D10V_PC_REGNUM = 18, -// OBSOLETE NR_IMAP_REGS = 2, -// OBSOLETE NR_A_REGS = 2, -// OBSOLETE TS2_NUM_REGS = 37, -// OBSOLETE TS3_NUM_REGS = 42, -// OBSOLETE /* d10v calling convention. */ -// OBSOLETE ARG1_REGNUM = R0_REGNUM, -// OBSOLETE ARGN_REGNUM = R3_REGNUM -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static int -// OBSOLETE nr_dmap_regs (struct gdbarch *gdbarch) -// OBSOLETE { -// OBSOLETE return gdbarch_tdep (gdbarch)->nr_dmap_regs; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static int -// OBSOLETE a0_regnum (struct gdbarch *gdbarch) -// OBSOLETE { -// OBSOLETE return gdbarch_tdep (gdbarch)->a0_regnum; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Local functions */ -// OBSOLETE -// OBSOLETE extern void _initialize_d10v_tdep (void); -// OBSOLETE -// OBSOLETE static void d10v_eva_prepare_to_trace (void); -// OBSOLETE -// OBSOLETE static void d10v_eva_get_trace_data (void); -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp) -// OBSOLETE { -// OBSOLETE /* Align to the size of an instruction (so that they can safely be -// OBSOLETE pushed onto the stack. */ -// OBSOLETE return sp & ~3; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static const unsigned char * -// OBSOLETE d10v_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr) -// OBSOLETE { -// OBSOLETE static unsigned char breakpoint[] = -// OBSOLETE {0x2f, 0x90, 0x5e, 0x00}; -// OBSOLETE *lenptr = sizeof (breakpoint); -// OBSOLETE return breakpoint; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Map the REG_NR onto an ascii name. Return NULL or an empty string -// OBSOLETE when the reg_nr isn't valid. */ -// OBSOLETE -// OBSOLETE enum ts2_regnums -// OBSOLETE { -// OBSOLETE TS2_IMAP0_REGNUM = 32, -// OBSOLETE TS2_DMAP_REGNUM = 34, -// OBSOLETE TS2_NR_DMAP_REGS = 1, -// OBSOLETE TS2_A0_REGNUM = 35 -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static const char * -// OBSOLETE d10v_ts2_register_name (int reg_nr) -// OBSOLETE { -// OBSOLETE static char *register_names[] = -// OBSOLETE { -// OBSOLETE "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", -// OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", -// OBSOLETE "psw", "bpsw", "pc", "bpc", "cr4", "cr5", "cr6", "rpt_c", -// OBSOLETE "rpt_s", "rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "cr15", -// OBSOLETE "imap0", "imap1", "dmap", "a0", "a1" -// OBSOLETE }; -// OBSOLETE if (reg_nr < 0) -// OBSOLETE return NULL; -// OBSOLETE if (reg_nr >= (sizeof (register_names) / sizeof (*register_names))) -// OBSOLETE return NULL; -// OBSOLETE return register_names[reg_nr]; -// OBSOLETE } -// OBSOLETE -// OBSOLETE enum ts3_regnums -// OBSOLETE { -// OBSOLETE TS3_IMAP0_REGNUM = 36, -// OBSOLETE TS3_DMAP0_REGNUM = 38, -// OBSOLETE TS3_NR_DMAP_REGS = 4, -// OBSOLETE TS3_A0_REGNUM = 32 -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static const char * -// OBSOLETE d10v_ts3_register_name (int reg_nr) -// OBSOLETE { -// OBSOLETE static char *register_names[] = -// OBSOLETE { -// OBSOLETE "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", -// OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", -// OBSOLETE "psw", "bpsw", "pc", "bpc", "cr4", "cr5", "cr6", "rpt_c", -// OBSOLETE "rpt_s", "rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "cr15", -// OBSOLETE "a0", "a1", -// OBSOLETE "spi", "spu", -// OBSOLETE "imap0", "imap1", -// OBSOLETE "dmap0", "dmap1", "dmap2", "dmap3" -// OBSOLETE }; -// OBSOLETE if (reg_nr < 0) -// OBSOLETE return NULL; -// OBSOLETE if (reg_nr >= (sizeof (register_names) / sizeof (*register_names))) -// OBSOLETE return NULL; -// OBSOLETE return register_names[reg_nr]; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Access the DMAP/IMAP registers in a target independent way. -// OBSOLETE -// OBSOLETE Divide the D10V's 64k data space into four 16k segments: -// OBSOLETE 0x0000 -- 0x3fff, 0x4000 -- 0x7fff, 0x8000 -- 0xbfff, and -// OBSOLETE 0xc000 -- 0xffff. -// OBSOLETE -// OBSOLETE On the TS2, the first two segments (0x0000 -- 0x3fff, 0x4000 -- -// OBSOLETE 0x7fff) always map to the on-chip data RAM, and the fourth always -// OBSOLETE maps to I/O space. The third (0x8000 - 0xbfff) can be mapped into -// OBSOLETE unified memory or instruction memory, under the control of the -// OBSOLETE single DMAP register. -// OBSOLETE -// OBSOLETE On the TS3, there are four DMAP registers, each of which controls -// OBSOLETE one of the segments. */ -// OBSOLETE -// OBSOLETE static unsigned long -// OBSOLETE d10v_ts2_dmap_register (void *regcache, int reg_nr) -// OBSOLETE { -// OBSOLETE switch (reg_nr) -// OBSOLETE { -// OBSOLETE case 0: -// OBSOLETE case 1: -// OBSOLETE return 0x2000; -// OBSOLETE case 2: -// OBSOLETE { -// OBSOLETE ULONGEST reg; -// OBSOLETE regcache_cooked_read_unsigned (regcache, TS2_DMAP_REGNUM, ®); -// OBSOLETE return reg; -// OBSOLETE } -// OBSOLETE default: -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE static unsigned long -// OBSOLETE d10v_ts3_dmap_register (void *regcache, int reg_nr) -// OBSOLETE { -// OBSOLETE ULONGEST reg; -// OBSOLETE regcache_cooked_read_unsigned (regcache, TS3_DMAP0_REGNUM + reg_nr, ®); -// OBSOLETE return reg; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static unsigned long -// OBSOLETE d10v_ts2_imap_register (void *regcache, int reg_nr) -// OBSOLETE { -// OBSOLETE ULONGEST reg; -// OBSOLETE regcache_cooked_read_unsigned (regcache, TS2_IMAP0_REGNUM + reg_nr, ®); -// OBSOLETE return reg; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static unsigned long -// OBSOLETE d10v_ts3_imap_register (void *regcache, int reg_nr) -// OBSOLETE { -// OBSOLETE ULONGEST reg; -// OBSOLETE regcache_cooked_read_unsigned (regcache, TS3_IMAP0_REGNUM + reg_nr, ®); -// OBSOLETE return reg; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* MAP GDB's internal register numbering (determined by the layout -// OBSOLETE from the DEPRECATED_REGISTER_BYTE array) onto the simulator's -// OBSOLETE register numbering. */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE d10v_ts2_register_sim_regno (int nr) -// OBSOLETE { -// OBSOLETE /* Only makes sense to supply raw registers. */ -// OBSOLETE gdb_assert (nr >= 0 && nr < NUM_REGS); -// OBSOLETE if (nr >= TS2_IMAP0_REGNUM -// OBSOLETE && nr < TS2_IMAP0_REGNUM + NR_IMAP_REGS) -// OBSOLETE return nr - TS2_IMAP0_REGNUM + SIM_D10V_IMAP0_REGNUM; -// OBSOLETE if (nr == TS2_DMAP_REGNUM) -// OBSOLETE return nr - TS2_DMAP_REGNUM + SIM_D10V_TS2_DMAP_REGNUM; -// OBSOLETE if (nr >= TS2_A0_REGNUM -// OBSOLETE && nr < TS2_A0_REGNUM + NR_A_REGS) -// OBSOLETE return nr - TS2_A0_REGNUM + SIM_D10V_A0_REGNUM; -// OBSOLETE return nr; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static int -// OBSOLETE d10v_ts3_register_sim_regno (int nr) -// OBSOLETE { -// OBSOLETE /* Only makes sense to supply raw registers. */ -// OBSOLETE gdb_assert (nr >= 0 && nr < NUM_REGS); -// OBSOLETE if (nr >= TS3_IMAP0_REGNUM -// OBSOLETE && nr < TS3_IMAP0_REGNUM + NR_IMAP_REGS) -// OBSOLETE return nr - TS3_IMAP0_REGNUM + SIM_D10V_IMAP0_REGNUM; -// OBSOLETE if (nr >= TS3_DMAP0_REGNUM -// OBSOLETE && nr < TS3_DMAP0_REGNUM + TS3_NR_DMAP_REGS) -// OBSOLETE return nr - TS3_DMAP0_REGNUM + SIM_D10V_DMAP0_REGNUM; -// OBSOLETE if (nr >= TS3_A0_REGNUM -// OBSOLETE && nr < TS3_A0_REGNUM + NR_A_REGS) -// OBSOLETE return nr - TS3_A0_REGNUM + SIM_D10V_A0_REGNUM; -// OBSOLETE return nr; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Return the GDB type object for the "standard" data type -// OBSOLETE of data in register N. */ -// OBSOLETE -// OBSOLETE static struct type * -// OBSOLETE d10v_register_type (struct gdbarch *gdbarch, int reg_nr) -// OBSOLETE { -// OBSOLETE if (reg_nr == D10V_PC_REGNUM) -// OBSOLETE return builtin_type (gdbarch)->builtin_func_ptr; -// OBSOLETE if (reg_nr == D10V_SP_REGNUM || reg_nr == D10V_FP_REGNUM) -// OBSOLETE return builtin_type (gdbarch)->builtin_data_ptr; -// OBSOLETE else if (reg_nr >= a0_regnum (gdbarch) -// OBSOLETE && reg_nr < (a0_regnum (gdbarch) + NR_A_REGS)) -// OBSOLETE return builtin_type_int64; -// OBSOLETE else -// OBSOLETE return builtin_type_int16; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static int -// OBSOLETE d10v_iaddr_p (CORE_ADDR x) -// OBSOLETE { -// OBSOLETE return (((x) & 0x3000000) == IMEM_START); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_make_daddr (CORE_ADDR x) -// OBSOLETE { -// OBSOLETE return ((x) | DMEM_START); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_make_iaddr (CORE_ADDR x) -// OBSOLETE { -// OBSOLETE if (d10v_iaddr_p (x)) -// OBSOLETE return x; /* Idempotency -- x is already in the IMEM space. */ -// OBSOLETE else -// OBSOLETE return (((x) << 2) | IMEM_START); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_convert_iaddr_to_raw (CORE_ADDR x) -// OBSOLETE { -// OBSOLETE return (((x) >> 2) & 0xffff); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_convert_daddr_to_raw (CORE_ADDR x) -// OBSOLETE { -// OBSOLETE return ((x) & 0xffff); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_address_to_pointer (struct type *type, void *buf, CORE_ADDR addr) -// OBSOLETE { -// OBSOLETE /* Is it a code address? */ -// OBSOLETE if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_FUNC -// OBSOLETE || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD) -// OBSOLETE { -// OBSOLETE store_unsigned_integer (buf, TYPE_LENGTH (type), -// OBSOLETE d10v_convert_iaddr_to_raw (addr)); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* Strip off any upper segment bits. */ -// OBSOLETE store_unsigned_integer (buf, TYPE_LENGTH (type), -// OBSOLETE d10v_convert_daddr_to_raw (addr)); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_pointer_to_address (struct type *type, const void *buf) -// OBSOLETE { -// OBSOLETE CORE_ADDR addr = extract_unsigned_integer (buf, TYPE_LENGTH (type)); -// OBSOLETE /* Is it a code address? */ -// OBSOLETE if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_FUNC -// OBSOLETE || TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD -// OBSOLETE || TYPE_CODE_SPACE (TYPE_TARGET_TYPE (type))) -// OBSOLETE return d10v_make_iaddr (addr); -// OBSOLETE else -// OBSOLETE return d10v_make_daddr (addr); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Don't do anything if we have an integer, this way users can type 'x -// OBSOLETE <addr>' w/o having gdb outsmart them. The internal gdb conversions -// OBSOLETE to the correct space are taken care of in the pointer_to_address -// OBSOLETE function. If we don't do this, 'x $fp' wouldn't work. */ -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_integer_to_address (struct type *type, void *buf) -// OBSOLETE { -// OBSOLETE LONGEST val; -// OBSOLETE val = unpack_long (type, buf); -// OBSOLETE return val; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Handle the d10v's return_value convention. */ -// OBSOLETE -// OBSOLETE static enum return_value_convention -// OBSOLETE d10v_return_value (struct gdbarch *gdbarch, struct type *valtype, -// OBSOLETE struct regcache *regcache, void *readbuf, -// OBSOLETE const void *writebuf) -// OBSOLETE { -// OBSOLETE if (TYPE_LENGTH (valtype) > 8) -// OBSOLETE /* Anything larger than 8 bytes (4 registers) goes on the stack. */ -// OBSOLETE return RETURN_VALUE_STRUCT_CONVENTION; -// OBSOLETE if (TYPE_LENGTH (valtype) == 5 -// OBSOLETE || TYPE_LENGTH (valtype) == 6) -// OBSOLETE /* Anything 5 or 6 bytes in size goes in memory. Contents don't -// OBSOLETE appear to matter. Note that 7 and 8 byte objects do end up in -// OBSOLETE registers! */ -// OBSOLETE return RETURN_VALUE_STRUCT_CONVENTION; -// OBSOLETE if (TYPE_LENGTH (valtype) == 1) -// OBSOLETE { -// OBSOLETE /* All single byte values go in a register stored right-aligned. -// OBSOLETE Note: 2 byte integer values are handled further down. */ -// OBSOLETE if (readbuf) -// OBSOLETE { -// OBSOLETE /* Since TYPE is smaller than the register, there isn't a -// OBSOLETE sign extension problem. Let the extraction truncate the -// OBSOLETE register value. */ -// OBSOLETE ULONGEST regval; -// OBSOLETE regcache_cooked_read_unsigned (regcache, R0_REGNUM, -// OBSOLETE ®val); -// OBSOLETE store_unsigned_integer (readbuf, TYPE_LENGTH (valtype), regval); -// OBSOLETE -// OBSOLETE } -// OBSOLETE if (writebuf) -// OBSOLETE { -// OBSOLETE ULONGEST regval; -// OBSOLETE if (TYPE_CODE (valtype) == TYPE_CODE_INT) -// OBSOLETE /* Some sort of integer value stored in R0. Use -// OBSOLETE unpack_long since that should handle any required sign -// OBSOLETE extension. */ -// OBSOLETE regval = unpack_long (valtype, writebuf); -// OBSOLETE else -// OBSOLETE /* Some other type. Don't sign-extend the value when -// OBSOLETE storing it in the register. */ -// OBSOLETE regval = extract_unsigned_integer (writebuf, 1); -// OBSOLETE regcache_cooked_write_unsigned (regcache, R0_REGNUM, regval); -// OBSOLETE } -// OBSOLETE return RETURN_VALUE_REGISTER_CONVENTION; -// OBSOLETE } -// OBSOLETE if ((TYPE_CODE (valtype) == TYPE_CODE_STRUCT -// OBSOLETE || TYPE_CODE (valtype) == TYPE_CODE_UNION) -// OBSOLETE && TYPE_NFIELDS (valtype) > 1 -// OBSOLETE && TYPE_FIELD_BITPOS (valtype, 1) == 8) -// OBSOLETE /* If a composite is 8 bit aligned (determined by looking at the -// OBSOLETE start address of the second field), put it in memory. */ -// OBSOLETE return RETURN_VALUE_STRUCT_CONVENTION; -// OBSOLETE /* Assume it is in registers. */ -// OBSOLETE if (writebuf || readbuf) -// OBSOLETE { -// OBSOLETE int reg; -// OBSOLETE /* Per above, the value is never more than 8 bytes long. */ -// OBSOLETE gdb_assert (TYPE_LENGTH (valtype) <= 8); -// OBSOLETE /* Xfer 2 bytes at a time. */ -// OBSOLETE for (reg = 0; (reg * 2) + 1 < TYPE_LENGTH (valtype); reg++) -// OBSOLETE { -// OBSOLETE if (readbuf) -// OBSOLETE regcache_cooked_read (regcache, R0_REGNUM + reg, -// OBSOLETE (bfd_byte *) readbuf + reg * 2); -// OBSOLETE if (writebuf) -// OBSOLETE regcache_cooked_write (regcache, R0_REGNUM + reg, -// OBSOLETE (bfd_byte *) writebuf + reg * 2); -// OBSOLETE } -// OBSOLETE /* Any trailing byte ends up _left_ aligned. */ -// OBSOLETE if ((reg * 2) < TYPE_LENGTH (valtype)) -// OBSOLETE { -// OBSOLETE if (readbuf) -// OBSOLETE regcache_cooked_read_part (regcache, R0_REGNUM + reg, -// OBSOLETE 0, 1, (bfd_byte *) readbuf + reg * 2); -// OBSOLETE if (writebuf) -// OBSOLETE regcache_cooked_write_part (regcache, R0_REGNUM + reg, -// OBSOLETE 0, 1, (bfd_byte *) writebuf + reg * 2); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE return RETURN_VALUE_REGISTER_CONVENTION; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static int -// OBSOLETE check_prologue (unsigned short op) -// OBSOLETE { -// OBSOLETE /* st rn, @-sp */ -// OBSOLETE if ((op & 0x7E1F) == 0x6C1F) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* st2w rn, @-sp */ -// OBSOLETE if ((op & 0x7E3F) == 0x6E1F) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* subi sp, n */ -// OBSOLETE if ((op & 0x7FE1) == 0x01E1) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* mv r11, sp */ -// OBSOLETE if (op == 0x417E) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* nop */ -// OBSOLETE if (op == 0x5E00) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* st rn, @sp */ -// OBSOLETE if ((op & 0x7E1F) == 0x681E) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* st2w rn, @sp */ -// OBSOLETE if ((op & 0x7E3F) == 0x3A1E) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_skip_prologue (CORE_ADDR pc) -// OBSOLETE { -// OBSOLETE unsigned long op; -// OBSOLETE unsigned short op1, op2; -// OBSOLETE CORE_ADDR func_addr, func_end; -// OBSOLETE struct symtab_and_line sal; -// OBSOLETE -// OBSOLETE /* If we have line debugging information, then the end of the prologue -// OBSOLETE should be the first assembly instruction of the first source line. */ -// OBSOLETE if (find_pc_partial_function (pc, NULL, &func_addr, &func_end)) -// OBSOLETE { -// OBSOLETE sal = find_pc_line (func_addr, 0); -// OBSOLETE if (sal.end && sal.end < func_end) -// OBSOLETE return sal.end; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (target_read_memory (pc, (char *) &op, 4)) -// OBSOLETE return pc; /* Can't access it -- assume no prologue. */ -// OBSOLETE -// OBSOLETE while (1) -// OBSOLETE { -// OBSOLETE op = (unsigned long) read_memory_integer (pc, 4); -// OBSOLETE if ((op & 0xC0000000) == 0xC0000000) -// OBSOLETE { -// OBSOLETE /* long instruction */ -// OBSOLETE if (((op & 0x3FFF0000) != 0x01FF0000) && /* add3 sp,sp,n */ -// OBSOLETE ((op & 0x3F0F0000) != 0x340F0000) && /* st rn, @(offset,sp) */ -// OBSOLETE ((op & 0x3F1F0000) != 0x350F0000)) /* st2w rn, @(offset,sp) */ -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* short instructions */ -// OBSOLETE if ((op & 0xC0000000) == 0x80000000) -// OBSOLETE { -// OBSOLETE op2 = (op & 0x3FFF8000) >> 15; -// OBSOLETE op1 = op & 0x7FFF; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE op1 = (op & 0x3FFF8000) >> 15; -// OBSOLETE op2 = op & 0x7FFF; -// OBSOLETE } -// OBSOLETE if (check_prologue (op1)) -// OBSOLETE { -// OBSOLETE if (!check_prologue (op2)) -// OBSOLETE { -// OBSOLETE /* If the previous opcode was really part of the -// OBSOLETE prologue and not just a NOP, then we want to -// OBSOLETE break after both instructions. */ -// OBSOLETE if (op1 != 0x5E00) -// OBSOLETE pc += 4; -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE else -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE pc += 4; -// OBSOLETE } -// OBSOLETE return pc; -// OBSOLETE } -// OBSOLETE -// OBSOLETE struct d10v_unwind_cache -// OBSOLETE { -// OBSOLETE /* The previous frame's inner most stack address. Used as this -// OBSOLETE frame ID's stack_addr. */ -// OBSOLETE CORE_ADDR prev_sp; -// OBSOLETE /* The frame's base, optionally used by the high-level debug info. */ -// OBSOLETE CORE_ADDR base; -// OBSOLETE int size; -// OBSOLETE /* How far the SP and r11 (FP) have been offset from the start of -// OBSOLETE the stack frame (as defined by the previous frame's stack -// OBSOLETE pointer). */ -// OBSOLETE LONGEST sp_offset; -// OBSOLETE LONGEST r11_offset; -// OBSOLETE int uses_frame; -// OBSOLETE /* Table indicating the location of each and every register. */ -// OBSOLETE struct trad_frame_saved_reg *saved_regs; -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static int -// OBSOLETE prologue_find_regs (struct d10v_unwind_cache *info, unsigned short op, -// OBSOLETE CORE_ADDR addr) -// OBSOLETE { -// OBSOLETE int n; -// OBSOLETE -// OBSOLETE /* st rn, @-sp */ -// OBSOLETE if ((op & 0x7E1F) == 0x6C1F) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E0) >> 5; -// OBSOLETE info->sp_offset -= 2; -// OBSOLETE info->saved_regs[n].addr = info->sp_offset; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* st2w rn, @-sp */ -// OBSOLETE else if ((op & 0x7E3F) == 0x6E1F) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E0) >> 5; -// OBSOLETE info->sp_offset -= 4; -// OBSOLETE info->saved_regs[n + 0].addr = info->sp_offset + 0; -// OBSOLETE info->saved_regs[n + 1].addr = info->sp_offset + 2; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* subi sp, n */ -// OBSOLETE if ((op & 0x7FE1) == 0x01E1) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E) >> 1; -// OBSOLETE if (n == 0) -// OBSOLETE n = 16; -// OBSOLETE info->sp_offset -= n; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* mv r11, sp */ -// OBSOLETE if (op == 0x417E) -// OBSOLETE { -// OBSOLETE info->uses_frame = 1; -// OBSOLETE info->r11_offset = info->sp_offset; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* st rn, @r11 */ -// OBSOLETE if ((op & 0x7E1F) == 0x6816) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E0) >> 5; -// OBSOLETE info->saved_regs[n].addr = info->r11_offset; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* nop */ -// OBSOLETE if (op == 0x5E00) -// OBSOLETE return 1; -// OBSOLETE -// OBSOLETE /* st rn, @sp */ -// OBSOLETE if ((op & 0x7E1F) == 0x681E) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E0) >> 5; -// OBSOLETE info->saved_regs[n].addr = info->sp_offset; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* st2w rn, @sp */ -// OBSOLETE if ((op & 0x7E3F) == 0x3A1E) -// OBSOLETE { -// OBSOLETE n = (op & 0x1E0) >> 5; -// OBSOLETE info->saved_regs[n + 0].addr = info->sp_offset + 0; -// OBSOLETE info->saved_regs[n + 1].addr = info->sp_offset + 2; -// OBSOLETE return 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Put here the code to store, into fi->saved_regs, the addresses of -// OBSOLETE the saved registers of frame described by FRAME_INFO. This -// OBSOLETE includes special registers such as pc and fp saved in special ways -// OBSOLETE in the stack frame. sp is even more special: the address we return -// OBSOLETE for it IS the sp for the next frame. */ -// OBSOLETE -// OBSOLETE static struct d10v_unwind_cache * -// OBSOLETE d10v_frame_unwind_cache (struct frame_info *next_frame, -// OBSOLETE void **this_prologue_cache) -// OBSOLETE { -// OBSOLETE struct gdbarch *gdbarch = get_frame_arch (next_frame); -// OBSOLETE CORE_ADDR pc; -// OBSOLETE ULONGEST prev_sp; -// OBSOLETE ULONGEST this_base; -// OBSOLETE unsigned long op; -// OBSOLETE unsigned short op1, op2; -// OBSOLETE int i; -// OBSOLETE struct d10v_unwind_cache *info; -// OBSOLETE -// OBSOLETE if ((*this_prologue_cache)) -// OBSOLETE return (*this_prologue_cache); -// OBSOLETE -// OBSOLETE info = FRAME_OBSTACK_ZALLOC (struct d10v_unwind_cache); -// OBSOLETE (*this_prologue_cache) = info; -// OBSOLETE info->saved_regs = trad_frame_alloc_saved_regs (next_frame); -// OBSOLETE -// OBSOLETE info->size = 0; -// OBSOLETE info->sp_offset = 0; -// OBSOLETE -// OBSOLETE info->uses_frame = 0; -// OBSOLETE for (pc = frame_func_unwind (next_frame); -// OBSOLETE pc > 0 && pc < frame_pc_unwind (next_frame); -// OBSOLETE pc += 4) -// OBSOLETE { -// OBSOLETE op = get_frame_memory_unsigned (next_frame, pc, 4); -// OBSOLETE if ((op & 0xC0000000) == 0xC0000000) -// OBSOLETE { -// OBSOLETE /* long instruction */ -// OBSOLETE if ((op & 0x3FFF0000) == 0x01FF0000) -// OBSOLETE { -// OBSOLETE /* add3 sp,sp,n */ -// OBSOLETE short n = op & 0xFFFF; -// OBSOLETE info->sp_offset += n; -// OBSOLETE } -// OBSOLETE else if ((op & 0x3F0F0000) == 0x340F0000) -// OBSOLETE { -// OBSOLETE /* st rn, @(offset,sp) */ -// OBSOLETE short offset = op & 0xFFFF; -// OBSOLETE short n = (op >> 20) & 0xF; -// OBSOLETE info->saved_regs[n].addr = info->sp_offset + offset; -// OBSOLETE } -// OBSOLETE else if ((op & 0x3F1F0000) == 0x350F0000) -// OBSOLETE { -// OBSOLETE /* st2w rn, @(offset,sp) */ -// OBSOLETE short offset = op & 0xFFFF; -// OBSOLETE short n = (op >> 20) & 0xF; -// OBSOLETE info->saved_regs[n + 0].addr = info->sp_offset + offset + 0; -// OBSOLETE info->saved_regs[n + 1].addr = info->sp_offset + offset + 2; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* short instructions */ -// OBSOLETE if ((op & 0xC0000000) == 0x80000000) -// OBSOLETE { -// OBSOLETE op2 = (op & 0x3FFF8000) >> 15; -// OBSOLETE op1 = op & 0x7FFF; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE op1 = (op & 0x3FFF8000) >> 15; -// OBSOLETE op2 = op & 0x7FFF; -// OBSOLETE } -// OBSOLETE if (!prologue_find_regs (info, op1, pc) -// OBSOLETE || !prologue_find_regs (info, op2, pc)) -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE info->size = -info->sp_offset; -// OBSOLETE -// OBSOLETE /* Compute the previous frame's stack pointer (which is also the -// OBSOLETE frame's ID's stack address), and this frame's base pointer. */ -// OBSOLETE if (info->uses_frame) -// OBSOLETE { -// OBSOLETE /* The SP was moved to the FP. This indicates that a new frame -// OBSOLETE was created. Get THIS frame's FP value by unwinding it from -// OBSOLETE the next frame. */ -// OBSOLETE frame_unwind_unsigned_register (next_frame, D10V_FP_REGNUM, &this_base); -// OBSOLETE /* The FP points at the last saved register. Adjust the FP back -// OBSOLETE to before the first saved register giving the SP. */ -// OBSOLETE prev_sp = this_base + info->size; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* Assume that the FP is this frame's SP but with that pushed -// OBSOLETE stack space added back. */ -// OBSOLETE frame_unwind_unsigned_register (next_frame, D10V_SP_REGNUM, &this_base); -// OBSOLETE prev_sp = this_base + info->size; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Convert that SP/BASE into real addresses. */ -// OBSOLETE info->prev_sp = d10v_make_daddr (prev_sp); -// OBSOLETE info->base = d10v_make_daddr (this_base); -// OBSOLETE -// OBSOLETE /* Adjust all the saved registers so that they contain addresses and -// OBSOLETE not offsets. */ -// OBSOLETE for (i = 0; i < NUM_REGS - 1; i++) -// OBSOLETE if (trad_frame_addr_p (info->saved_regs, i)) -// OBSOLETE { -// OBSOLETE info->saved_regs[i].addr = (info->prev_sp + info->saved_regs[i].addr); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* The call instruction moves the caller's PC in the callee's LR. -// OBSOLETE Since this is an unwind, do the reverse. Copy the location of LR -// OBSOLETE into PC (the address / regnum) so that a request for PC will be -// OBSOLETE converted into a request for the LR. */ -// OBSOLETE info->saved_regs[D10V_PC_REGNUM] = info->saved_regs[LR_REGNUM]; -// OBSOLETE -// OBSOLETE /* The previous frame's SP needed to be computed. Save the computed -// OBSOLETE value. */ -// OBSOLETE trad_frame_set_value (info->saved_regs, D10V_SP_REGNUM, -// OBSOLETE d10v_make_daddr (prev_sp)); -// OBSOLETE -// OBSOLETE return info; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, -// OBSOLETE struct frame_info *frame, int regnum, int all) -// OBSOLETE { -// OBSOLETE struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); -// OBSOLETE if (regnum >= 0) -// OBSOLETE { -// OBSOLETE default_print_registers_info (gdbarch, file, frame, regnum, all); -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE -// OBSOLETE { -// OBSOLETE ULONGEST pc, psw, rpt_s, rpt_e, rpt_c; -// OBSOLETE pc = get_frame_register_unsigned (frame, D10V_PC_REGNUM); -// OBSOLETE psw = get_frame_register_unsigned (frame, PSW_REGNUM); -// OBSOLETE rpt_s = get_frame_register_unsigned (frame, frame_map_name_to_regnum (frame, "rpt_s", -1)); -// OBSOLETE rpt_e = get_frame_register_unsigned (frame, frame_map_name_to_regnum (frame, "rpt_e", -1)); -// OBSOLETE rpt_c = get_frame_register_unsigned (frame, frame_map_name_to_regnum (frame, "rpt_c", -1)); -// OBSOLETE fprintf_filtered (file, "PC=%04lx (0x%lx) PSW=%04lx RPT_S=%04lx RPT_E=%04lx RPT_C=%04lx\n", -// OBSOLETE (long) pc, (long) d10v_make_iaddr (pc), (long) psw, -// OBSOLETE (long) rpt_s, (long) rpt_e, (long) rpt_c); -// OBSOLETE } -// OBSOLETE -// OBSOLETE { -// OBSOLETE int group; -// OBSOLETE for (group = 0; group < 16; group += 8) -// OBSOLETE { -// OBSOLETE int r; -// OBSOLETE fprintf_filtered (file, "R%d-R%-2d", group, group + 7); -// OBSOLETE for (r = group; r < group + 8; r++) -// OBSOLETE { -// OBSOLETE ULONGEST tmp; -// OBSOLETE tmp = get_frame_register_unsigned (frame, r); -// OBSOLETE fprintf_filtered (file, " %04lx", (long) tmp); -// OBSOLETE } -// OBSOLETE fprintf_filtered (file, "\n"); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Note: The IMAP/DMAP registers don't participate in function -// OBSOLETE calls. Don't bother trying to unwind them. */ -// OBSOLETE -// OBSOLETE { -// OBSOLETE int a; -// OBSOLETE for (a = 0; a < NR_IMAP_REGS; a++) -// OBSOLETE { -// OBSOLETE if (a > 0) -// OBSOLETE fprintf_filtered (file, " "); -// OBSOLETE fprintf_filtered (file, "IMAP%d %04lx", a, -// OBSOLETE tdep->imap_register (current_regcache, a)); -// OBSOLETE } -// OBSOLETE if (nr_dmap_regs (gdbarch) == 1) -// OBSOLETE /* Registers DMAP0 and DMAP1 are constant. Just return dmap2. */ -// OBSOLETE fprintf_filtered (file, " DMAP %04lx\n", -// OBSOLETE tdep->dmap_register (current_regcache, 2)); -// OBSOLETE else -// OBSOLETE { -// OBSOLETE for (a = 0; a < nr_dmap_regs (gdbarch); a++) -// OBSOLETE { -// OBSOLETE fprintf_filtered (file, " DMAP%d %04lx", a, -// OBSOLETE tdep->dmap_register (current_regcache, a)); -// OBSOLETE } -// OBSOLETE fprintf_filtered (file, "\n"); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE { -// OBSOLETE char num[MAX_REGISTER_SIZE]; -// OBSOLETE int a; -// OBSOLETE fprintf_filtered (file, "A0-A%d", NR_A_REGS - 1); -// OBSOLETE for (a = a0_regnum (gdbarch); a < a0_regnum (gdbarch) + NR_A_REGS; a++) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE fprintf_filtered (file, " "); -// OBSOLETE get_frame_register (frame, a, num); -// OBSOLETE for (i = 0; i < register_size (gdbarch, a); i++) -// OBSOLETE { -// OBSOLETE fprintf_filtered (file, "%02x", (num[i] & 0xff)); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE } -// OBSOLETE fprintf_filtered (file, "\n"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE show_regs (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE d10v_print_registers_info (current_gdbarch, gdb_stdout, -// OBSOLETE get_current_frame (), -1, 1); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_read_pc (ptid_t ptid) -// OBSOLETE { -// OBSOLETE ptid_t save_ptid; -// OBSOLETE CORE_ADDR pc; -// OBSOLETE CORE_ADDR retval; -// OBSOLETE -// OBSOLETE save_ptid = inferior_ptid; -// OBSOLETE inferior_ptid = ptid; -// OBSOLETE pc = (int) read_register (D10V_PC_REGNUM); -// OBSOLETE inferior_ptid = save_ptid; -// OBSOLETE retval = d10v_make_iaddr (pc); -// OBSOLETE return retval; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_write_pc (CORE_ADDR val, ptid_t ptid) -// OBSOLETE { -// OBSOLETE ptid_t save_ptid; -// OBSOLETE -// OBSOLETE save_ptid = inferior_ptid; -// OBSOLETE inferior_ptid = ptid; -// OBSOLETE write_register (D10V_PC_REGNUM, d10v_convert_iaddr_to_raw (val)); -// OBSOLETE inferior_ptid = save_ptid; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame) -// OBSOLETE { -// OBSOLETE ULONGEST sp; -// OBSOLETE frame_unwind_unsigned_register (next_frame, D10V_SP_REGNUM, &sp); -// OBSOLETE return d10v_make_daddr (sp); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* When arguments must be pushed onto the stack, they go on in reverse -// OBSOLETE order. The below implements a FILO (stack) to do this. */ -// OBSOLETE -// OBSOLETE struct stack_item -// OBSOLETE { -// OBSOLETE int len; -// OBSOLETE struct stack_item *prev; -// OBSOLETE void *data; -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static struct stack_item *push_stack_item (struct stack_item *prev, -// OBSOLETE void *contents, int len); -// OBSOLETE static struct stack_item * -// OBSOLETE push_stack_item (struct stack_item *prev, void *contents, int len) -// OBSOLETE { -// OBSOLETE struct stack_item *si; -// OBSOLETE si = xmalloc (sizeof (struct stack_item)); -// OBSOLETE si->data = xmalloc (len); -// OBSOLETE si->len = len; -// OBSOLETE si->prev = prev; -// OBSOLETE memcpy (si->data, contents, len); -// OBSOLETE return si; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static struct stack_item *pop_stack_item (struct stack_item *si); -// OBSOLETE static struct stack_item * -// OBSOLETE pop_stack_item (struct stack_item *si) -// OBSOLETE { -// OBSOLETE struct stack_item *dead = si; -// OBSOLETE si = si->prev; -// OBSOLETE xfree (dead->data); -// OBSOLETE xfree (dead); -// OBSOLETE return si; -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_push_dummy_code (struct gdbarch *gdbarch, -// OBSOLETE CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, -// OBSOLETE struct value **args, int nargs, -// OBSOLETE struct type *value_type, -// OBSOLETE CORE_ADDR *real_pc, CORE_ADDR *bp_addr) -// OBSOLETE { -// OBSOLETE /* Allocate space sufficient for a breakpoint. */ -// OBSOLETE sp = (sp - 4) & ~3; -// OBSOLETE /* Store the address of that breakpoint taking care to first convert -// OBSOLETE it into a code (IADDR) address from a stack (DADDR) address. -// OBSOLETE This of course assumes that the two virtual addresses map onto -// OBSOLETE the same real address. */ -// OBSOLETE (*bp_addr) = d10v_make_iaddr (d10v_convert_iaddr_to_raw (sp)); -// OBSOLETE /* d10v always starts the call at the callee's entry point. */ -// OBSOLETE (*real_pc) = funaddr; -// OBSOLETE return sp; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_push_dummy_call (struct gdbarch *gdbarch, struct value *function, -// OBSOLETE struct regcache *regcache, CORE_ADDR bp_addr, -// OBSOLETE int nargs, struct value **args, CORE_ADDR sp, -// OBSOLETE int struct_return, CORE_ADDR struct_addr) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE int regnum = ARG1_REGNUM; -// OBSOLETE struct stack_item *si = NULL; -// OBSOLETE long val; -// OBSOLETE -// OBSOLETE /* Set the return address. For the d10v, the return breakpoint is -// OBSOLETE always at BP_ADDR. */ -// OBSOLETE regcache_cooked_write_unsigned (regcache, LR_REGNUM, -// OBSOLETE d10v_convert_iaddr_to_raw (bp_addr)); -// OBSOLETE -// OBSOLETE /* If STRUCT_RETURN is true, then the struct return address (in -// OBSOLETE STRUCT_ADDR) will consume the first argument-passing register. -// OBSOLETE Both adjust the register count and store that value. */ -// OBSOLETE if (struct_return) -// OBSOLETE { -// OBSOLETE regcache_cooked_write_unsigned (regcache, regnum, struct_addr); -// OBSOLETE regnum++; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Fill in registers and arg lists */ -// OBSOLETE for (i = 0; i < nargs; i++) -// OBSOLETE { -// OBSOLETE struct value *arg = args[i]; -// OBSOLETE struct type *type = check_typedef (VALUE_TYPE (arg)); -// OBSOLETE char *contents = VALUE_CONTENTS (arg); -// OBSOLETE int len = TYPE_LENGTH (type); -// OBSOLETE int aligned_regnum = (regnum + 1) & ~1; -// OBSOLETE -// OBSOLETE /* printf ("push: type=%d len=%d\n", TYPE_CODE (type), len); */ -// OBSOLETE if (len <= 2 && regnum <= ARGN_REGNUM) -// OBSOLETE /* fits in a single register, do not align */ -// OBSOLETE { -// OBSOLETE val = extract_unsigned_integer (contents, len); -// OBSOLETE regcache_cooked_write_unsigned (regcache, regnum++, val); -// OBSOLETE } -// OBSOLETE else if (len <= (ARGN_REGNUM - aligned_regnum + 1) * 2) -// OBSOLETE /* value fits in remaining registers, store keeping left -// OBSOLETE aligned */ -// OBSOLETE { -// OBSOLETE int b; -// OBSOLETE regnum = aligned_regnum; -// OBSOLETE for (b = 0; b < (len & ~1); b += 2) -// OBSOLETE { -// OBSOLETE val = extract_unsigned_integer (&contents[b], 2); -// OBSOLETE regcache_cooked_write_unsigned (regcache, regnum++, val); -// OBSOLETE } -// OBSOLETE if (b < len) -// OBSOLETE { -// OBSOLETE val = extract_unsigned_integer (&contents[b], 1); -// OBSOLETE regcache_cooked_write_unsigned (regcache, regnum++, (val << 8)); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* arg will go onto stack */ -// OBSOLETE regnum = ARGN_REGNUM + 1; -// OBSOLETE si = push_stack_item (si, contents, len); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE while (si) -// OBSOLETE { -// OBSOLETE sp = (sp - si->len) & ~1; -// OBSOLETE write_memory (sp, si->data, si->len); -// OBSOLETE si = pop_stack_item (si); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Finally, update the SP register. */ -// OBSOLETE regcache_cooked_write_unsigned (regcache, D10V_SP_REGNUM, -// OBSOLETE d10v_convert_daddr_to_raw (sp)); -// OBSOLETE -// OBSOLETE return sp; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Translate a GDB virtual ADDR/LEN into a format the remote target -// OBSOLETE understands. Returns number of bytes that can be transfered -// OBSOLETE starting at TARG_ADDR. Return ZERO if no bytes can be transfered -// OBSOLETE (segmentation fault). Since the simulator knows all about how the -// OBSOLETE VM system works, we just call that to do the translation. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE remote_d10v_translate_xfer_address (struct gdbarch *gdbarch, -// OBSOLETE struct regcache *regcache, -// OBSOLETE CORE_ADDR memaddr, int nr_bytes, -// OBSOLETE CORE_ADDR *targ_addr, int *targ_len) -// OBSOLETE { -// OBSOLETE struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); -// OBSOLETE long out_addr; -// OBSOLETE long out_len; -// OBSOLETE out_len = sim_d10v_translate_addr (memaddr, nr_bytes, &out_addr, regcache, -// OBSOLETE tdep->dmap_register, tdep->imap_register); -// OBSOLETE *targ_addr = out_addr; -// OBSOLETE *targ_len = out_len; -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE /* The following code implements access to, and display of, the D10V's -// OBSOLETE instruction trace buffer. The buffer consists of 64K or more -// OBSOLETE 4-byte words of data, of which each words includes an 8-bit count, -// OBSOLETE an 8-bit segment number, and a 16-bit instruction address. -// OBSOLETE -// OBSOLETE In theory, the trace buffer is continuously capturing instruction -// OBSOLETE data that the CPU presents on its "debug bus", but in practice, the -// OBSOLETE ROMified GDB stub only enables tracing when it continues or steps -// OBSOLETE the program, and stops tracing when the program stops; so it -// OBSOLETE actually works for GDB to read the buffer counter out of memory and -// OBSOLETE then read each trace word. The counter records where the tracing -// OBSOLETE stops, but there is no record of where it started, so we remember -// OBSOLETE the PC when we resumed and then search backwards in the trace -// OBSOLETE buffer for a word that includes that address. This is not perfect, -// OBSOLETE because you will miss trace data if the resumption PC is the target -// OBSOLETE of a branch. (The value of the buffer counter is semi-random, any -// OBSOLETE trace data from a previous program stop is gone.) */ -// OBSOLETE -// OBSOLETE /* The address of the last word recorded in the trace buffer. */ -// OBSOLETE -// OBSOLETE #define DBBC_ADDR (0xd80000) -// OBSOLETE -// OBSOLETE /* The base of the trace buffer, at least for the "Board_0". */ -// OBSOLETE -// OBSOLETE #define TRACE_BUFFER_BASE (0xf40000) -// OBSOLETE -// OBSOLETE static void trace_command (char *, int); -// OBSOLETE -// OBSOLETE static void untrace_command (char *, int); -// OBSOLETE -// OBSOLETE static void trace_info (char *, int); -// OBSOLETE -// OBSOLETE static void tdisassemble_command (char *, int); -// OBSOLETE -// OBSOLETE static void display_trace (int, int); -// OBSOLETE -// OBSOLETE /* True when instruction traces are being collected. */ -// OBSOLETE -// OBSOLETE static int tracing; -// OBSOLETE -// OBSOLETE /* Remembered PC. */ -// OBSOLETE -// OBSOLETE static CORE_ADDR last_pc; -// OBSOLETE -// OBSOLETE /* True when trace output should be displayed whenever program stops. */ -// OBSOLETE -// OBSOLETE static int trace_display; -// OBSOLETE -// OBSOLETE /* True when trace listing should include source lines. */ -// OBSOLETE -// OBSOLETE static int default_trace_show_source = 1; -// OBSOLETE -// OBSOLETE struct trace_buffer -// OBSOLETE { -// OBSOLETE int size; -// OBSOLETE short *counts; -// OBSOLETE CORE_ADDR *addrs; -// OBSOLETE } -// OBSOLETE trace_data; -// OBSOLETE -// OBSOLETE static void -// OBSOLETE trace_command (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE /* Clear the host-side trace buffer, allocating space if needed. */ -// OBSOLETE trace_data.size = 0; -// OBSOLETE if (trace_data.counts == NULL) -// OBSOLETE trace_data.counts = XCALLOC (65536, short); -// OBSOLETE if (trace_data.addrs == NULL) -// OBSOLETE trace_data.addrs = XCALLOC (65536, CORE_ADDR); -// OBSOLETE -// OBSOLETE tracing = 1; -// OBSOLETE -// OBSOLETE printf_filtered ("Tracing is now on.\n"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE untrace_command (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE tracing = 0; -// OBSOLETE -// OBSOLETE printf_filtered ("Tracing is now off.\n"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE trace_info (char *args, int from_tty) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE -// OBSOLETE if (trace_data.size) -// OBSOLETE { -// OBSOLETE printf_filtered ("%d entries in trace buffer:\n", trace_data.size); -// OBSOLETE -// OBSOLETE for (i = 0; i < trace_data.size; ++i) -// OBSOLETE { -// OBSOLETE printf_filtered ("%d: %d instruction%s at 0x%s\n", -// OBSOLETE i, -// OBSOLETE trace_data.counts[i], -// OBSOLETE (trace_data.counts[i] == 1 ? "" : "s"), -// OBSOLETE paddr_nz (trace_data.addrs[i])); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE else -// OBSOLETE printf_filtered ("No entries in trace buffer.\n"); -// OBSOLETE -// OBSOLETE printf_filtered ("Tracing is currently %s.\n", (tracing ? "on" : "off")); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_eva_prepare_to_trace (void) -// OBSOLETE { -// OBSOLETE if (!tracing) -// OBSOLETE return; -// OBSOLETE -// OBSOLETE last_pc = read_register (D10V_PC_REGNUM); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Collect trace data from the target board and format it into a form -// OBSOLETE more useful for display. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_eva_get_trace_data (void) -// OBSOLETE { -// OBSOLETE int count, i, j, oldsize; -// OBSOLETE int trace_addr, trace_seg, trace_cnt, next_cnt; -// OBSOLETE unsigned int last_trace, trace_word, next_word; -// OBSOLETE unsigned int *tmpspace; -// OBSOLETE -// OBSOLETE if (!tracing) -// OBSOLETE return; -// OBSOLETE -// OBSOLETE tmpspace = xmalloc (65536 * sizeof (unsigned int)); -// OBSOLETE -// OBSOLETE last_trace = read_memory_unsigned_integer (DBBC_ADDR, 2) << 2; -// OBSOLETE -// OBSOLETE /* Collect buffer contents from the target, stopping when we reach -// OBSOLETE the word recorded when execution resumed. */ -// OBSOLETE -// OBSOLETE count = 0; -// OBSOLETE while (last_trace > 0) -// OBSOLETE { -// OBSOLETE QUIT; -// OBSOLETE trace_word = -// OBSOLETE read_memory_unsigned_integer (TRACE_BUFFER_BASE + last_trace, 4); -// OBSOLETE trace_addr = trace_word & 0xffff; -// OBSOLETE last_trace -= 4; -// OBSOLETE /* Ignore an apparently nonsensical entry. */ -// OBSOLETE if (trace_addr == 0xffd5) -// OBSOLETE continue; -// OBSOLETE tmpspace[count++] = trace_word; -// OBSOLETE if (trace_addr == last_pc) -// OBSOLETE break; -// OBSOLETE if (count > 65535) -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Move the data to the host-side trace buffer, adjusting counts to -// OBSOLETE include the last instruction executed and transforming the address -// OBSOLETE into something that GDB likes. */ -// OBSOLETE -// OBSOLETE for (i = 0; i < count; ++i) -// OBSOLETE { -// OBSOLETE trace_word = tmpspace[i]; -// OBSOLETE next_word = ((i == 0) ? 0 : tmpspace[i - 1]); -// OBSOLETE trace_addr = trace_word & 0xffff; -// OBSOLETE next_cnt = (next_word >> 24) & 0xff; -// OBSOLETE j = trace_data.size + count - i - 1; -// OBSOLETE trace_data.addrs[j] = (trace_addr << 2) + 0x1000000; -// OBSOLETE trace_data.counts[j] = next_cnt + 1; -// OBSOLETE } -// OBSOLETE -// OBSOLETE oldsize = trace_data.size; -// OBSOLETE trace_data.size += count; -// OBSOLETE -// OBSOLETE xfree (tmpspace); -// OBSOLETE -// OBSOLETE if (trace_display) -// OBSOLETE display_trace (oldsize, trace_data.size); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE tdisassemble_command (char *arg, int from_tty) -// OBSOLETE { -// OBSOLETE int i, count; -// OBSOLETE CORE_ADDR low, high; -// OBSOLETE -// OBSOLETE if (!arg) -// OBSOLETE { -// OBSOLETE low = 0; -// OBSOLETE high = trace_data.size; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE char *space_index = strchr (arg, ' '); -// OBSOLETE if (space_index == NULL) -// OBSOLETE { -// OBSOLETE low = parse_and_eval_address (arg); -// OBSOLETE high = low + 5; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* Two arguments. */ -// OBSOLETE *space_index = '\0'; -// OBSOLETE low = parse_and_eval_address (arg); -// OBSOLETE high = parse_and_eval_address (space_index + 1); -// OBSOLETE if (high < low) -// OBSOLETE high = low; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE printf_filtered ("Dump of trace from %s to %s:\n", -// OBSOLETE paddr_u (low), paddr_u (high)); -// OBSOLETE -// OBSOLETE display_trace (low, high); -// OBSOLETE -// OBSOLETE printf_filtered ("End of trace dump.\n"); -// OBSOLETE gdb_flush (gdb_stdout); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE display_trace (int low, int high) -// OBSOLETE { -// OBSOLETE int i, count, trace_show_source, first, suppress; -// OBSOLETE CORE_ADDR next_address; -// OBSOLETE -// OBSOLETE trace_show_source = default_trace_show_source; -// OBSOLETE if (!have_full_symbols () && !have_partial_symbols ()) -// OBSOLETE { -// OBSOLETE trace_show_source = 0; -// OBSOLETE printf_filtered ("No symbol table is loaded. Use the \"file\" command.\n"); -// OBSOLETE printf_filtered ("Trace will not display any source.\n"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE first = 1; -// OBSOLETE suppress = 0; -// OBSOLETE for (i = low; i < high; ++i) -// OBSOLETE { -// OBSOLETE next_address = trace_data.addrs[i]; -// OBSOLETE count = trace_data.counts[i]; -// OBSOLETE while (count-- > 0) -// OBSOLETE { -// OBSOLETE QUIT; -// OBSOLETE if (trace_show_source) -// OBSOLETE { -// OBSOLETE struct symtab_and_line sal, sal_prev; -// OBSOLETE -// OBSOLETE sal_prev = find_pc_line (next_address - 4, 0); -// OBSOLETE sal = find_pc_line (next_address, 0); -// OBSOLETE -// OBSOLETE if (sal.symtab) -// OBSOLETE { -// OBSOLETE if (first || sal.line != sal_prev.line) -// OBSOLETE print_source_lines (sal.symtab, sal.line, sal.line + 1, 0); -// OBSOLETE suppress = 0; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE if (!suppress) -// OBSOLETE /* FIXME-32x64--assumes sal.pc fits in long. */ -// OBSOLETE printf_filtered ("No source file for address %s.\n", -// OBSOLETE hex_string ((unsigned long) sal.pc)); -// OBSOLETE suppress = 1; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE first = 0; -// OBSOLETE print_address (next_address, gdb_stdout); -// OBSOLETE printf_filtered (":"); -// OBSOLETE printf_filtered ("\t"); -// OBSOLETE wrap_here (" "); -// OBSOLETE next_address += gdb_print_insn (next_address, gdb_stdout); -// OBSOLETE printf_filtered ("\n"); -// OBSOLETE gdb_flush (gdb_stdout); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame) -// OBSOLETE { -// OBSOLETE ULONGEST pc; -// OBSOLETE frame_unwind_unsigned_register (next_frame, D10V_PC_REGNUM, &pc); -// OBSOLETE return d10v_make_iaddr (pc); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Given a GDB frame, determine the address of the calling function's -// OBSOLETE frame. This will be used to create a new GDB frame struct. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_frame_this_id (struct frame_info *next_frame, -// OBSOLETE void **this_prologue_cache, -// OBSOLETE struct frame_id *this_id) -// OBSOLETE { -// OBSOLETE struct d10v_unwind_cache *info -// OBSOLETE = d10v_frame_unwind_cache (next_frame, this_prologue_cache); -// OBSOLETE CORE_ADDR base; -// OBSOLETE CORE_ADDR func; -// OBSOLETE struct frame_id id; -// OBSOLETE -// OBSOLETE /* The FUNC is easy. */ -// OBSOLETE func = frame_func_unwind (next_frame); -// OBSOLETE -// OBSOLETE /* Hopefully the prologue analysis either correctly determined the -// OBSOLETE frame's base (which is the SP from the previous frame), or set -// OBSOLETE that base to "NULL". */ -// OBSOLETE base = info->prev_sp; -// OBSOLETE if (base == STACK_START || base == 0) -// OBSOLETE return; -// OBSOLETE -// OBSOLETE id = frame_id_build (base, func); -// OBSOLETE -// OBSOLETE (*this_id) = id; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static void -// OBSOLETE d10v_frame_prev_register (struct frame_info *next_frame, -// OBSOLETE void **this_prologue_cache, -// OBSOLETE int regnum, int *optimizedp, -// OBSOLETE enum lval_type *lvalp, CORE_ADDR *addrp, -// OBSOLETE int *realnump, void *bufferp) -// OBSOLETE { -// OBSOLETE struct d10v_unwind_cache *info -// OBSOLETE = d10v_frame_unwind_cache (next_frame, this_prologue_cache); -// OBSOLETE trad_frame_get_prev_register (next_frame, info->saved_regs, regnum, -// OBSOLETE optimizedp, lvalp, addrp, realnump, bufferp); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static const struct frame_unwind d10v_frame_unwind = { -// OBSOLETE NORMAL_FRAME, -// OBSOLETE d10v_frame_this_id, -// OBSOLETE d10v_frame_prev_register -// OBSOLETE }; -// OBSOLETE -// OBSOLETE static const struct frame_unwind * -// OBSOLETE d10v_frame_sniffer (struct frame_info *next_frame) -// OBSOLETE { -// OBSOLETE return &d10v_frame_unwind; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE d10v_frame_base_address (struct frame_info *next_frame, void **this_cache) -// OBSOLETE { -// OBSOLETE struct d10v_unwind_cache *info -// OBSOLETE = d10v_frame_unwind_cache (next_frame, this_cache); -// OBSOLETE return info->base; -// OBSOLETE } -// OBSOLETE -// OBSOLETE static const struct frame_base d10v_frame_base = { -// OBSOLETE &d10v_frame_unwind, -// OBSOLETE d10v_frame_base_address, -// OBSOLETE d10v_frame_base_address, -// OBSOLETE d10v_frame_base_address -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* Assuming NEXT_FRAME->prev is a dummy, return the frame ID of that -// OBSOLETE dummy frame. The frame ID's base needs to match the TOS value -// OBSOLETE saved by save_dummy_frame_tos(), and the PC match the dummy frame's -// OBSOLETE breakpoint. */ -// OBSOLETE -// OBSOLETE static struct frame_id -// OBSOLETE d10v_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame) -// OBSOLETE { -// OBSOLETE return frame_id_build (d10v_unwind_sp (gdbarch, next_frame), -// OBSOLETE frame_pc_unwind (next_frame)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE static gdbarch_init_ftype d10v_gdbarch_init; -// OBSOLETE -// OBSOLETE static struct gdbarch * -// OBSOLETE d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) -// OBSOLETE { -// OBSOLETE struct gdbarch *gdbarch; -// OBSOLETE int d10v_num_regs; -// OBSOLETE struct gdbarch_tdep *tdep; -// OBSOLETE gdbarch_register_name_ftype *d10v_register_name; -// OBSOLETE gdbarch_register_sim_regno_ftype *d10v_register_sim_regno; -// OBSOLETE -// OBSOLETE /* Find a candidate among the list of pre-declared architectures. */ -// OBSOLETE arches = gdbarch_list_lookup_by_info (arches, &info); -// OBSOLETE if (arches != NULL) -// OBSOLETE return arches->gdbarch; -// OBSOLETE -// OBSOLETE /* None found, create a new architecture from the information -// OBSOLETE provided. */ -// OBSOLETE tdep = XMALLOC (struct gdbarch_tdep); -// OBSOLETE gdbarch = gdbarch_alloc (&info, tdep); -// OBSOLETE -// OBSOLETE switch (info.bfd_arch_info->mach) -// OBSOLETE { -// OBSOLETE case bfd_mach_d10v_ts2: -// OBSOLETE d10v_num_regs = 37; -// OBSOLETE d10v_register_name = d10v_ts2_register_name; -// OBSOLETE d10v_register_sim_regno = d10v_ts2_register_sim_regno; -// OBSOLETE tdep->a0_regnum = TS2_A0_REGNUM; -// OBSOLETE tdep->nr_dmap_regs = TS2_NR_DMAP_REGS; -// OBSOLETE tdep->dmap_register = d10v_ts2_dmap_register; -// OBSOLETE tdep->imap_register = d10v_ts2_imap_register; -// OBSOLETE break; -// OBSOLETE default: -// OBSOLETE case bfd_mach_d10v_ts3: -// OBSOLETE d10v_num_regs = 42; -// OBSOLETE d10v_register_name = d10v_ts3_register_name; -// OBSOLETE d10v_register_sim_regno = d10v_ts3_register_sim_regno; -// OBSOLETE tdep->a0_regnum = TS3_A0_REGNUM; -// OBSOLETE tdep->nr_dmap_regs = TS3_NR_DMAP_REGS; -// OBSOLETE tdep->dmap_register = d10v_ts3_dmap_register; -// OBSOLETE tdep->imap_register = d10v_ts3_imap_register; -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE -// OBSOLETE set_gdbarch_read_pc (gdbarch, d10v_read_pc); -// OBSOLETE set_gdbarch_write_pc (gdbarch, d10v_write_pc); -// OBSOLETE set_gdbarch_unwind_sp (gdbarch, d10v_unwind_sp); -// OBSOLETE -// OBSOLETE set_gdbarch_num_regs (gdbarch, d10v_num_regs); -// OBSOLETE set_gdbarch_sp_regnum (gdbarch, D10V_SP_REGNUM); -// OBSOLETE set_gdbarch_register_name (gdbarch, d10v_register_name); -// OBSOLETE set_gdbarch_register_type (gdbarch, d10v_register_type); -// OBSOLETE -// OBSOLETE set_gdbarch_ptr_bit (gdbarch, 2 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_addr_bit (gdbarch, 32); -// OBSOLETE set_gdbarch_address_to_pointer (gdbarch, d10v_address_to_pointer); -// OBSOLETE set_gdbarch_pointer_to_address (gdbarch, d10v_pointer_to_address); -// OBSOLETE set_gdbarch_integer_to_address (gdbarch, d10v_integer_to_address); -// OBSOLETE set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_int_bit (gdbarch, 2 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT); -// OBSOLETE /* NOTE: The d10v as a 32 bit ``float'' and ``double''. ``long -// OBSOLETE double'' is 64 bits. */ -// OBSOLETE set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_double_bit (gdbarch, 4 * TARGET_CHAR_BIT); -// OBSOLETE set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT); -// OBSOLETE switch (info.byte_order) -// OBSOLETE { -// OBSOLETE case BFD_ENDIAN_BIG: -// OBSOLETE set_gdbarch_float_format (gdbarch, &floatformat_ieee_single_big); -// OBSOLETE set_gdbarch_double_format (gdbarch, &floatformat_ieee_single_big); -// OBSOLETE set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big); -// OBSOLETE break; -// OBSOLETE case BFD_ENDIAN_LITTLE: -// OBSOLETE set_gdbarch_float_format (gdbarch, &floatformat_ieee_single_little); -// OBSOLETE set_gdbarch_double_format (gdbarch, &floatformat_ieee_single_little); -// OBSOLETE set_gdbarch_long_double_format (gdbarch, -// OBSOLETE &floatformat_ieee_double_little); -// OBSOLETE break; -// OBSOLETE default: -// OBSOLETE internal_error (__FILE__, __LINE__, -// OBSOLETE "d10v_gdbarch_init: bad byte order for float format"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE set_gdbarch_return_value (gdbarch, d10v_return_value); -// OBSOLETE set_gdbarch_push_dummy_code (gdbarch, d10v_push_dummy_code); -// OBSOLETE set_gdbarch_push_dummy_call (gdbarch, d10v_push_dummy_call); -// OBSOLETE -// OBSOLETE set_gdbarch_skip_prologue (gdbarch, d10v_skip_prologue); -// OBSOLETE set_gdbarch_inner_than (gdbarch, core_addr_lessthan); -// OBSOLETE set_gdbarch_decr_pc_after_break (gdbarch, 4); -// OBSOLETE set_gdbarch_breakpoint_from_pc (gdbarch, d10v_breakpoint_from_pc); -// OBSOLETE -// OBSOLETE set_gdbarch_remote_translate_xfer_address (gdbarch, -// OBSOLETE remote_d10v_translate_xfer_address); -// OBSOLETE -// OBSOLETE set_gdbarch_frame_align (gdbarch, d10v_frame_align); -// OBSOLETE -// OBSOLETE set_gdbarch_register_sim_regno (gdbarch, d10v_register_sim_regno); -// OBSOLETE -// OBSOLETE set_gdbarch_print_registers_info (gdbarch, d10v_print_registers_info); -// OBSOLETE -// OBSOLETE frame_unwind_append_sniffer (gdbarch, d10v_frame_sniffer); -// OBSOLETE frame_base_set_default (gdbarch, &d10v_frame_base); -// OBSOLETE -// OBSOLETE /* Methods for saving / extracting a dummy frame's ID. The ID's -// OBSOLETE stack address must match the SP value returned by -// OBSOLETE PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos. */ -// OBSOLETE set_gdbarch_unwind_dummy_id (gdbarch, d10v_unwind_dummy_id); -// OBSOLETE -// OBSOLETE /* Return the unwound PC value. */ -// OBSOLETE set_gdbarch_unwind_pc (gdbarch, d10v_unwind_pc); -// OBSOLETE -// OBSOLETE set_gdbarch_print_insn (gdbarch, print_insn_d10v); -// OBSOLETE -// OBSOLETE return gdbarch; -// OBSOLETE } -// OBSOLETE -// OBSOLETE void -// OBSOLETE _initialize_d10v_tdep (void) -// OBSOLETE { -// OBSOLETE register_gdbarch_init (bfd_arch_d10v, d10v_gdbarch_init); -// OBSOLETE -// OBSOLETE deprecated_target_resume_hook = d10v_eva_prepare_to_trace; -// OBSOLETE deprecated_target_wait_loop_hook = d10v_eva_get_trace_data; -// OBSOLETE -// OBSOLETE deprecate_cmd (add_com ("regs", class_vars, show_regs, -// OBSOLETE "Print all registers"), -// OBSOLETE "info registers"); -// OBSOLETE -// OBSOLETE add_com ("itrace", class_support, trace_command, -// OBSOLETE "Enable tracing of instruction execution."); -// OBSOLETE -// OBSOLETE add_com ("iuntrace", class_support, untrace_command, -// OBSOLETE "Disable tracing of instruction execution."); -// OBSOLETE -// OBSOLETE add_com ("itdisassemble", class_vars, tdisassemble_command, -// OBSOLETE "Disassemble the trace buffer.\n\ -// OBSOLETE Two optional arguments specify a range of trace buffer entries\n\ -// OBSOLETE as reported by info trace (NOT addresses!)."); -// OBSOLETE -// OBSOLETE add_info ("itrace", trace_info, -// OBSOLETE "Display info about the trace data buffer."); -// OBSOLETE -// OBSOLETE add_setshow_boolean_cmd ("itracedisplay", no_class, &trace_display, "\ -// OBSOLETE Set automatic display of trace.", "\ -// OBSOLETE Show automatic display of trace.", "\ -// OBSOLETE Controls the display of d10v specific instruction trace information.", "\ -// OBSOLETE Automatic display of trace is %s.", -// OBSOLETE NULL, NULL, &setlist, &showlist); -// OBSOLETE add_setshow_boolean_cmd ("itracesource", no_class, -// OBSOLETE &default_trace_show_source, "\ -// OBSOLETE Set display of source code with trace.", "\ -// OBSOLETE Show display of source code with trace.", "\ -// OBSOLETE When on source code is included in the d10v instruction trace display.", "\ -// OBSOLETE Display of source code with trace is %s.", -// OBSOLETE NULL, NULL, &setlist, &showlist); -// OBSOLETE } diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 9242433..be2b2d5 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,5 +1,11 @@ 2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * gdb.texinfo (M68K): Remove obsolete ROM monitors. + * gdbint.texinfo (DWARF 1): Delete section and other dwarfread.c + references. + +2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * gdb.texinfo (Startup): Delete references to some alternate names for .gdbinit. (Thread): Remove LynxOS reference. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 0eee55e..cc4c5a0 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -14743,39 +14743,15 @@ Instructs the remote to set breakpoints by DBT. @node M68K @subsection M68k -The Motorola m68k configuration includes ColdFire support, and -target command for the following ROM monitors. +The Motorola m68k configuration includes ColdFire support, and a +target command for the following ROM monitor. @table @code -@kindex target abug -@item target abug @var{dev} -ABug ROM monitor for M68K. - -@kindex target cpu32bug -@item target cpu32bug @var{dev} -CPU32BUG monitor, running on a CPU32 (M68K) board. - @kindex target dbug @item target dbug @var{dev} dBUG ROM monitor for Motorola ColdFire. -@kindex target est -@item target est @var{dev} -EST-300 ICE monitor, running on a CPU32 (M68K) board. - -@kindex target rom68k -@item target rom68k @var{dev} -ROM 68K monitor, running on an M68K IDP board. - -@end table - -@table @code - -@kindex target rombug -@item target rombug @var{dev} -ROMBUG ROM monitor for OS/9000. - @end table @node MIPS Embedded diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo index 97fca00..e6a2b70 100644 --- a/gdb/doc/gdbint.texinfo +++ b/gdb/doc/gdbint.texinfo @@ -219,7 +219,7 @@ have to include all three kinds of information. The @value{GDBN} source directory has a mostly flat structure---there are only a few subdirectories. A file's name usually gives a hint as to what it does; for example, @file{stabsread.c} reads stabs, -@file{dwarfread.c} reads DWARF, etc. +@file{dwarf2read.c} reads @sc{DWARF 2}, etc. Files that are related to some common task have names that share common substrings. For example, @file{*-thread.c} files deal with @@ -2143,20 +2143,6 @@ ECOFF includes a definition of a special debug format. The file @file{mdebugread.c} implements reading for this format. -@subsection DWARF 1 - -@cindex DWARF 1 debugging info -DWARF 1 is a debugging format that was originally designed to be -used with ELF in SVR4 systems. - -@c GCC_PRODUCER -@c GPLUS_PRODUCER -@c LCC_PRODUCER -@c If defined, these are the producer strings in a DWARF 1 file. All of -@c these have reasonable defaults already. - -The DWARF 1 reader is in @file{dwarfread.c}. - @subsection DWARF 2 @cindex DWARF 2 debugging info diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 4d62926..0fb3500 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -8,7 +8,7 @@ with the Ada Joint Program Office), and Silicon Graphics, Inc. Initial contribution by Brent Benson, Harris Computer Systems, Inc., based on Fred Fish's (Cygnus Support) implementation of DWARF 1 - support in dwarfread.c + support. This file is part of GDB. diff --git a/gdb/dwarfread.c b/gdb/dwarfread.c deleted file mode 100644 index b7000e5..0000000 --- a/gdb/dwarfread.c +++ /dev/null @@ -1,3820 +0,0 @@ -/* DWARF debugging format support for GDB. - - Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. - - Written by Fred Fish at Cygnus Support. Portions based on dbxread.c, - mipsread.c, coffread.c, and dwarfread.c from a Data General SVR4 gdb port. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -/* - If you are looking for DWARF-2 support, you are in the wrong file. - Go look in dwarf2read.c. This file is for the original DWARF, - also known as DWARF-1. - - DWARF-1 is slowly headed for obsoletion. - - In gcc 3.4.0, support for dwarf-1 has been removed. - - In gcc 3.3.2, these targets prefer dwarf-1: - - i[34567]86-sequent-ptx4* - i[34567]86-sequent-sysv4* - mips-sni-sysv4 - sparc-hal-solaris2* - - In gcc 3.2.2, these targets prefer dwarf-1: - - i[34567]86-dg-dgux* - i[34567]86-sequent-ptx4* - i[34567]86-sequent-sysv4* - m88k-dg-dgux* - mips-sni-sysv4 - sparc-hal-solaris2* - - In gcc 2.95.3, these targets prefer dwarf-1: - - i[34567]86-dg-dgux* - i[34567]86-ncr-sysv4* - i[34567]86-sequent-ptx4* - i[34567]86-sequent-sysv4* - i[34567]86-*-osf1* - i[34567]86-*-sco3.2v5* - i[34567]86-*-sysv4* - i860-alliant-* - i860-*-sysv4* - m68k-atari-sysv4* - m68k-cbm-sysv4* - m68k-*-sysv4* - m88k-dg-dgux* - m88k-*-sysv4* - mips-sni-sysv4 - mips-*-gnu* - sh-*-elf* - sh-*-rtemself* - sparc-hal-solaris2* - sparc-*-sysv4* - - Some non-gcc compilers produce dwarf-1: - - PR gdb/1179 was from a user with Diab C++ 4.3. - On 2003-07-25 the gdb list received a report from a user - with Diab Compiler 4.4b. - Other users have also reported using Diab compilers with dwarf-1. - - Diab Compiler Suite 5.0.1 supports dwarf-2/dwarf-3 for C and C++. - (Diab(tm) Compiler Suite 5.0.1 Release Notes, DOC-14691-ZD-00, - Wind River Systems, 2002-07-31). - - On 2003-06-09 the gdb list received a report from a user - with Absoft ProFortran f77 which is dwarf-1. - - Absoft ProFortran Linux[sic] Fortran User Guide (no version, - but copyright dates are 1991-2001) says that Absoft ProFortran - supports -gdwarf1 and -gdwarf2. - - -- chastain 2004-04-24 -*/ - -/* - - FIXME: Do we need to generate dependencies in partial symtabs? - (Perhaps we don't need to). - - FIXME: Resolve minor differences between what information we put in the - partial symbol table and what dbxread puts in. For example, we don't yet - put enum constants there. And dbxread seems to invent a lot of typedefs - we never see. Use the new printpsym command to see the partial symbol table - contents. - - FIXME: Figure out a better way to tell gdb about the name of the function - contain the user's entry point (I.E. main()) - - FIXME: See other FIXME's and "ifdef 0" scattered throughout the code for - other things to work on, if you get bored. :-) - - */ - -#include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "objfiles.h" -#include "elf/dwarf.h" -#include "buildsym.h" -#include "demangle.h" -#include "expression.h" /* Needed for enum exp_opcode in language.h, sigh... */ -#include "language.h" -#include "complaints.h" - -#include <fcntl.h> -#include "gdb_string.h" - -/* Some macros to provide DIE info for complaints. */ - -#define DIE_ID (curdie!=NULL ? curdie->die_ref : 0) -#define DIE_NAME (curdie!=NULL && curdie->at_name!=NULL) ? curdie->at_name : "" - -/* Complaints that can be issued during DWARF debug info reading. */ - -static void -bad_die_ref_complaint (int arg1, const char *arg2, int arg3) -{ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", reference to DIE (0x%x) outside compilation unit"), - arg1, arg2, arg3); -} - -static void -unknown_attribute_form_complaint (int arg1, const char *arg2, int arg3) -{ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", unknown attribute form (0x%x)"), arg1, arg2, - arg3); -} - -static void -dup_user_type_definition_complaint (int arg1, const char *arg2) -{ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", internal error: duplicate user type definition"), - arg1, arg2); -} - -static void -bad_array_element_type_complaint (int arg1, const char *arg2, int arg3) -{ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", bad array element type attribute 0x%x"), arg1, - arg2, arg3); -} - -typedef unsigned int DIE_REF; /* Reference to a DIE */ - -#ifndef GCC_PRODUCER -#define GCC_PRODUCER "GNU C " -#endif - -#ifndef GPLUS_PRODUCER -#define GPLUS_PRODUCER "GNU C++ " -#endif - -#ifndef LCC_PRODUCER -#define LCC_PRODUCER "NCR C/C++" -#endif - -/* Flags to target_to_host() that tell whether or not the data object is - expected to be signed. Used, for example, when fetching a signed - integer in the target environment which is used as a signed integer - in the host environment, and the two environments have different sized - ints. In this case, *somebody* has to sign extend the smaller sized - int. */ - -#define GET_UNSIGNED 0 /* No sign extension required */ -#define GET_SIGNED 1 /* Sign extension required */ - -/* Defines for things which are specified in the document "DWARF Debugging - Information Format" published by UNIX International, Programming Languages - SIG. These defines are based on revision 1.0.0, Jan 20, 1992. */ - -#define SIZEOF_DIE_LENGTH 4 -#define SIZEOF_DIE_TAG 2 -#define SIZEOF_ATTRIBUTE 2 -#define SIZEOF_FORMAT_SPECIFIER 1 -#define SIZEOF_FMT_FT 2 -#define SIZEOF_LINETBL_LENGTH 4 -#define SIZEOF_LINETBL_LINENO 4 -#define SIZEOF_LINETBL_STMT 2 -#define SIZEOF_LINETBL_DELTA 4 -#define SIZEOF_LOC_ATOM_CODE 1 - -#define FORM_FROM_ATTR(attr) ((attr) & 0xF) /* Implicitly specified */ - -/* Macros that return the sizes of various types of data in the target - environment. - - FIXME: Currently these are just compile time constants (as they are in - other parts of gdb as well). They need to be able to get the right size - either from the bfd or possibly from the DWARF info. It would be nice if - the DWARF producer inserted DIES that describe the fundamental types in - the target environment into the DWARF info, similar to the way dbx stabs - producers produce information about their fundamental types. */ - -#define TARGET_FT_POINTER_SIZE(objfile) (TARGET_PTR_BIT / TARGET_CHAR_BIT) -#define TARGET_FT_LONG_SIZE(objfile) (TARGET_LONG_BIT / TARGET_CHAR_BIT) - -/* The Amiga SVR4 header file <dwarf.h> defines AT_element_list as a - FORM_BLOCK2, and this is the value emitted by the AT&T compiler. - However, the Issue 2 DWARF specification from AT&T defines it as - a FORM_BLOCK4, as does the latest specification from UI/PLSIG. - For backwards compatibility with the AT&T compiler produced executables - we define AT_short_element_list for this variant. */ - -#define AT_short_element_list (0x00f0|FORM_BLOCK2) - -/* The DWARF debugging information consists of two major pieces, - one is a block of DWARF Information Entries (DIE's) and the other - is a line number table. The "struct dieinfo" structure contains - the information for a single DIE, the one currently being processed. - - In order to make it easier to randomly access the attribute fields - of the current DIE, which are specifically unordered within the DIE, - each DIE is scanned and an instance of the "struct dieinfo" - structure is initialized. - - Initialization is done in two levels. The first, done by basicdieinfo(), - just initializes those fields that are vital to deciding whether or not - to use this DIE, how to skip past it, etc. The second, done by the - function completedieinfo(), fills in the rest of the information. - - Attributes which have block forms are not interpreted at the time - the DIE is scanned, instead we just save pointers to the start - of their value fields. - - Some fields have a flag <name>_p that is set when the value of the - field is valid (I.E. we found a matching attribute in the DIE). Since - we may want to test for the presence of some attributes in the DIE, - such as AT_low_pc, without restricting the values of the field, - we need someway to note that we found such an attribute. - - */ - -typedef char BLOCK; - -struct dieinfo - { - char *die; /* Pointer to the raw DIE data */ - unsigned long die_length; /* Length of the raw DIE data */ - DIE_REF die_ref; /* Offset of this DIE */ - unsigned short die_tag; /* Tag for this DIE */ - unsigned long at_padding; - unsigned long at_sibling; - BLOCK *at_location; - char *at_name; - unsigned short at_fund_type; - BLOCK *at_mod_fund_type; - unsigned long at_user_def_type; - BLOCK *at_mod_u_d_type; - unsigned short at_ordering; - BLOCK *at_subscr_data; - unsigned long at_byte_size; - unsigned short at_bit_offset; - unsigned long at_bit_size; - BLOCK *at_element_list; - unsigned long at_stmt_list; - CORE_ADDR at_low_pc; - CORE_ADDR at_high_pc; - unsigned long at_language; - unsigned long at_member; - unsigned long at_discr; - BLOCK *at_discr_value; - BLOCK *at_string_length; - char *at_comp_dir; - char *at_producer; - unsigned long at_start_scope; - unsigned long at_stride_size; - unsigned long at_src_info; - char *at_prototyped; - unsigned int has_at_low_pc:1; - unsigned int has_at_stmt_list:1; - unsigned int has_at_byte_size:1; - unsigned int short_element_list:1; - - /* Kludge to identify register variables */ - - unsigned int isreg; - - /* Kludge to identify optimized out variables */ - - unsigned int optimized_out; - - /* Kludge to identify basereg references. - Nonzero if we have an offset relative to a basereg. */ - - unsigned int offreg; - - /* Kludge to identify which base register is it relative to. */ - - unsigned int basereg; - }; - -static int diecount; /* Approximate count of dies for compilation unit */ -static struct dieinfo *curdie; /* For warnings and such */ - -static char *dbbase; /* Base pointer to dwarf info */ -static int dbsize; /* Size of dwarf info in bytes */ -static int dbroff; /* Relative offset from start of .debug section */ -static char *lnbase; /* Base pointer to line section */ - -/* This value is added to each symbol value. FIXME: Generalize to - the section_offsets structure used by dbxread (once this is done, - pass the appropriate section number to end_symtab). */ -static CORE_ADDR baseaddr; /* Add to each symbol value */ - -/* The section offsets used in the current psymtab or symtab. FIXME, - only used to pass one value (baseaddr) at the moment. */ -static struct section_offsets *base_section_offsets; - -/* We put a pointer to this structure in the read_symtab_private field - of the psymtab. */ - -struct dwfinfo - { - /* Always the absolute file offset to the start of the ".debug" - section for the file containing the DIE's being accessed. */ - file_ptr dbfoff; - /* Relative offset from the start of the ".debug" section to the - first DIE to be accessed. When building the partial symbol - table, this value will be zero since we are accessing the - entire ".debug" section. When expanding a partial symbol - table entry, this value will be the offset to the first - DIE for the compilation unit containing the symbol that - triggers the expansion. */ - int dbroff; - /* The size of the chunk of DIE's being examined, in bytes. */ - int dblength; - /* The absolute file offset to the line table fragment. Ignored - when building partial symbol tables, but used when expanding - them, and contains the absolute file offset to the fragment - of the ".line" section containing the line numbers for the - current compilation unit. */ - file_ptr lnfoff; - }; - -#define DBFOFF(p) (((struct dwfinfo *)((p)->read_symtab_private))->dbfoff) -#define DBROFF(p) (((struct dwfinfo *)((p)->read_symtab_private))->dbroff) -#define DBLENGTH(p) (((struct dwfinfo *)((p)->read_symtab_private))->dblength) -#define LNFOFF(p) (((struct dwfinfo *)((p)->read_symtab_private))->lnfoff) - -/* The generic symbol table building routines have separate lists for - file scope symbols and all all other scopes (local scopes). So - we need to select the right one to pass to add_symbol_to_list(). - We do it by keeping a pointer to the correct list in list_in_scope. - - FIXME: The original dwarf code just treated the file scope as the first - local scope, and all other local scopes as nested local scopes, and worked - fine. Check to see if we really need to distinguish these in buildsym.c */ - -struct pending **list_in_scope = &file_symbols; - -/* DIES which have user defined types or modified user defined types refer to - other DIES for the type information. Thus we need to associate the offset - of a DIE for a user defined type with a pointer to the type information. - - Originally this was done using a simple but expensive algorithm, with an - array of unsorted structures, each containing an offset/type-pointer pair. - This array was scanned linearly each time a lookup was done. The result - was that gdb was spending over half it's startup time munging through this - array of pointers looking for a structure that had the right offset member. - - The second attempt used the same array of structures, but the array was - sorted using qsort each time a new offset/type was recorded, and a binary - search was used to find the type pointer for a given DIE offset. This was - even slower, due to the overhead of sorting the array each time a new - offset/type pair was entered. - - The third attempt uses a fixed size array of type pointers, indexed by a - value derived from the DIE offset. Since the minimum DIE size is 4 bytes, - we can divide any DIE offset by 4 to obtain a unique index into this fixed - size array. Since each element is a 4 byte pointer, it takes exactly as - much memory to hold this array as to hold the DWARF info for a given - compilation unit. But it gets freed as soon as we are done with it. - This has worked well in practice, as a reasonable tradeoff between memory - consumption and speed, without having to resort to much more complicated - algorithms. */ - -static struct type **utypes; /* Pointer to array of user type pointers */ -static int numutypes; /* Max number of user type pointers */ - -/* Maintain an array of referenced fundamental types for the current - compilation unit being read. For DWARF version 1, we have to construct - the fundamental types on the fly, since no information about the - fundamental types is supplied. Each such fundamental type is created by - calling a language dependent routine to create the type, and then a - pointer to that type is then placed in the array at the index specified - by it's FT_<TYPENAME> value. The array has a fixed size set by the - FT_NUM_MEMBERS compile time constant, which is the number of predefined - fundamental types gdb knows how to construct. */ - -static struct type *ftypes[FT_NUM_MEMBERS]; /* Fundamental types */ - -/* Record the language for the compilation unit which is currently being - processed. We know it once we have seen the TAG_compile_unit DIE, - and we need it while processing the DIE's for that compilation unit. - It is eventually saved in the symtab structure, but we don't finalize - the symtab struct until we have processed all the DIE's for the - compilation unit. We also need to get and save a pointer to the - language struct for this language, so we can call the language - dependent routines for doing things such as creating fundamental - types. */ - -static enum language cu_language; -static const struct language_defn *cu_language_defn; - -/* Forward declarations of static functions so we don't have to worry - about ordering within this file. */ - -static void free_utypes (void *); - -static int attribute_size (unsigned int); - -static CORE_ADDR target_to_host (char *, int, int, struct objfile *); - -static void add_enum_psymbol (struct dieinfo *, struct objfile *); - -static void handle_producer (char *); - -static void read_file_scope (struct dieinfo *, char *, char *, - struct objfile *); - -static void read_func_scope (struct dieinfo *, char *, char *, - struct objfile *); - -static void read_lexical_block_scope (struct dieinfo *, char *, char *, - struct objfile *); - -static void scan_partial_symbols (char *, char *, struct objfile *); - -static void scan_compilation_units (char *, char *, file_ptr, file_ptr, - struct objfile *); - -static void add_partial_symbol (struct dieinfo *, struct objfile *); - -static void basicdieinfo (struct dieinfo *, char *, struct objfile *); - -static void completedieinfo (struct dieinfo *, struct objfile *); - -static void dwarf_psymtab_to_symtab (struct partial_symtab *); - -static void psymtab_to_symtab_1 (struct partial_symtab *); - -static void read_ofile_symtab (struct partial_symtab *); - -static void process_dies (char *, char *, struct objfile *); - -static void read_structure_scope (struct dieinfo *, char *, char *, - struct objfile *); - -static struct type *decode_array_element_type (char *); - -static struct type *decode_subscript_data_item (char *, char *); - -static void dwarf_read_array_type (struct dieinfo *); - -static void read_tag_pointer_type (struct dieinfo *dip); - -static void read_tag_string_type (struct dieinfo *dip); - -static void read_subroutine_type (struct dieinfo *, char *, char *); - -static void read_enumeration (struct dieinfo *, char *, char *, - struct objfile *); - -static struct type *struct_type (struct dieinfo *, char *, char *, - struct objfile *); - -static struct type *enum_type (struct dieinfo *, struct objfile *); - -static void decode_line_numbers (char *); - -static struct type *decode_die_type (struct dieinfo *); - -static struct type *decode_mod_fund_type (char *); - -static struct type *decode_mod_u_d_type (char *); - -static struct type *decode_modified_type (char *, unsigned int, int); - -static struct type *decode_fund_type (unsigned int); - -static char *create_name (char *, struct obstack *); - -static struct type *lookup_utype (DIE_REF); - -static struct type *alloc_utype (DIE_REF, struct type *); - -static struct symbol *new_symbol (struct dieinfo *, struct objfile *); - -static void synthesize_typedef (struct dieinfo *, struct objfile *, - struct type *); - -static int locval (struct dieinfo *); - -static void set_cu_language (struct dieinfo *); - -static struct type *dwarf_fundamental_type (struct objfile *, int); - - -/* - - LOCAL FUNCTION - - dwarf_fundamental_type -- lookup or create a fundamental type - - SYNOPSIS - - struct type * - dwarf_fundamental_type (struct objfile *objfile, int typeid) - - DESCRIPTION - - DWARF version 1 doesn't supply any fundamental type information, - so gdb has to construct such types. It has a fixed number of - fundamental types that it knows how to construct, which is the - union of all types that it knows how to construct for all languages - that it knows about. These are enumerated in gdbtypes.h. - - As an example, assume we find a DIE that references a DWARF - fundamental type of FT_integer. We first look in the ftypes - array to see if we already have such a type, indexed by the - gdb internal value of FT_INTEGER. If so, we simply return a - pointer to that type. If not, then we ask an appropriate - language dependent routine to create a type FT_INTEGER, using - defaults reasonable for the current target machine, and install - that type in ftypes for future reference. - - RETURNS - - Pointer to a fundamental type. - - */ - -static struct type * -dwarf_fundamental_type (struct objfile *objfile, int typeid) -{ - if (typeid < 0 || typeid >= FT_NUM_MEMBERS) - { - error (_("internal error - invalid fundamental type id %d"), typeid); - } - - /* Look for this particular type in the fundamental type vector. If one is - not found, create and install one appropriate for the current language - and the current target machine. */ - - if (ftypes[typeid] == NULL) - { - ftypes[typeid] = cu_language_defn->la_fund_type (objfile, typeid); - } - - return (ftypes[typeid]); -} - -/* - - LOCAL FUNCTION - - set_cu_language -- set local copy of language for compilation unit - - SYNOPSIS - - void - set_cu_language (struct dieinfo *dip) - - DESCRIPTION - - Decode the language attribute for a compilation unit DIE and - remember what the language was. We use this at various times - when processing DIE's for a given compilation unit. - - RETURNS - - No return value. - - */ - -static void -set_cu_language (struct dieinfo *dip) -{ - switch (dip->at_language) - { - case LANG_C89: - case LANG_C: - cu_language = language_c; - break; - case LANG_C_PLUS_PLUS: - cu_language = language_cplus; - break; - case LANG_MODULA2: - cu_language = language_m2; - break; - case LANG_FORTRAN77: - case LANG_FORTRAN90: - cu_language = language_fortran; - break; - case LANG_PASCAL83: - cu_language = language_pascal; - break; - case LANG_ADA83: - case LANG_COBOL74: - case LANG_COBOL85: - /* We don't know anything special about these yet. */ - cu_language = language_unknown; - break; - default: - /* If no at_language, try to deduce one from the filename */ - cu_language = deduce_language_from_filename (dip->at_name); - break; - } - cu_language_defn = language_def (cu_language); -} - -/* - - GLOBAL FUNCTION - - dwarf_build_psymtabs -- build partial symtabs from DWARF debug info - - SYNOPSIS - - void dwarf_build_psymtabs (struct objfile *objfile, - int mainline, file_ptr dbfoff, unsigned int dbfsize, - file_ptr lnoffset, unsigned int lnsize) - - DESCRIPTION - - This function is called upon to build partial symtabs from files - containing DIE's (Dwarf Information Entries) and DWARF line numbers. - - It is passed a bfd* containing the DIES - and line number information, the corresponding filename for that - file, a base address for relocating the symbols, a flag indicating - whether or not this debugging information is from a "main symbol - table" rather than a shared library or dynamically linked file, - and file offset/size pairs for the DIE information and line number - information. - - RETURNS - - No return value. - - */ - -void -dwarf_build_psymtabs (struct objfile *objfile, int mainline, file_ptr dbfoff, - unsigned int dbfsize, file_ptr lnoffset, - unsigned int lnsize) -{ - bfd *abfd = objfile->obfd; - struct cleanup *back_to; - - current_objfile = objfile; - dbsize = dbfsize; - dbbase = xmalloc (dbsize); - dbroff = 0; - if ((bfd_seek (abfd, dbfoff, SEEK_SET) != 0) || - (bfd_bread (dbbase, dbsize, abfd) != dbsize)) - { - xfree (dbbase); - error (_("can't read DWARF data from '%s'"), bfd_get_filename (abfd)); - } - back_to = make_cleanup (xfree, dbbase); - - /* If we are reinitializing, or if we have never loaded syms yet, init. - Since we have no idea how many DIES we are looking at, we just guess - some arbitrary value. */ - - if (mainline - || (objfile->global_psymbols.size == 0 - && objfile->static_psymbols.size == 0)) - { - init_psymbol_list (objfile, 1024); - } - - /* Save the relocation factor where everybody can see it. */ - - base_section_offsets = objfile->section_offsets; - baseaddr = ANOFFSET (objfile->section_offsets, 0); - - /* Follow the compilation unit sibling chain, building a partial symbol - table entry for each one. Save enough information about each compilation - unit to locate the full DWARF information later. */ - - scan_compilation_units (dbbase, dbbase + dbsize, dbfoff, lnoffset, objfile); - - do_cleanups (back_to); - current_objfile = NULL; -} - -/* - - LOCAL FUNCTION - - read_lexical_block_scope -- process all dies in a lexical block - - SYNOPSIS - - static void read_lexical_block_scope (struct dieinfo *dip, - char *thisdie, char *enddie) - - DESCRIPTION - - Process all the DIES contained within a lexical block scope. - Start a new scope, process the dies, and then close the scope. - - */ - -static void -read_lexical_block_scope (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct context_stack *new; - - push_context (0, dip->at_low_pc); - process_dies (thisdie + dip->die_length, enddie, objfile); - new = pop_context (); - if (local_symbols != NULL) - { - finish_block (0, &local_symbols, new->old_blocks, new->start_addr, - dip->at_high_pc, objfile); - } - local_symbols = new->locals; -} - -/* - - LOCAL FUNCTION - - lookup_utype -- look up a user defined type from die reference - - SYNOPSIS - - static type *lookup_utype (DIE_REF die_ref) - - DESCRIPTION - - Given a DIE reference, lookup the user defined type associated with - that DIE, if it has been registered already. If not registered, then - return NULL. Alloc_utype() can be called to register an empty - type for this reference, which will be filled in later when the - actual referenced DIE is processed. - */ - -static struct type * -lookup_utype (DIE_REF die_ref) -{ - struct type *type = NULL; - int utypeidx; - - utypeidx = (die_ref - dbroff) / 4; - if ((utypeidx < 0) || (utypeidx >= numutypes)) - { - bad_die_ref_complaint (DIE_ID, DIE_NAME, die_ref); - } - else - { - type = *(utypes + utypeidx); - } - return (type); -} - - -/* - - LOCAL FUNCTION - - alloc_utype -- add a user defined type for die reference - - SYNOPSIS - - static type *alloc_utype (DIE_REF die_ref, struct type *utypep) - - DESCRIPTION - - Given a die reference DIE_REF, and a possible pointer to a user - defined type UTYPEP, register that this reference has a user - defined type and either use the specified type in UTYPEP or - make a new empty type that will be filled in later. - - We should only be called after calling lookup_utype() to verify that - there is not currently a type registered for DIE_REF. - */ - -static struct type * -alloc_utype (DIE_REF die_ref, struct type *utypep) -{ - struct type **typep; - int utypeidx; - - utypeidx = (die_ref - dbroff) / 4; - typep = utypes + utypeidx; - if ((utypeidx < 0) || (utypeidx >= numutypes)) - { - utypep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - bad_die_ref_complaint (DIE_ID, DIE_NAME, die_ref); - } - else if (*typep != NULL) - { - utypep = *typep; - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", internal error: duplicate user type allocation"), - DIE_ID, DIE_NAME); - } - else - { - if (utypep == NULL) - { - utypep = alloc_type (current_objfile); - } - *typep = utypep; - } - return (utypep); -} - -/* - - LOCAL FUNCTION - - free_utypes -- free the utypes array and reset pointer & count - - SYNOPSIS - - static void free_utypes (void *dummy) - - DESCRIPTION - - Called via do_cleanups to free the utypes array, reset the pointer to NULL, - and set numutypes back to zero. This ensures that the utypes does not get - referenced after being freed. - */ - -static void -free_utypes (void *dummy) -{ - xfree (utypes); - utypes = NULL; - numutypes = 0; -} - - -/* - - LOCAL FUNCTION - - decode_die_type -- return a type for a specified die - - SYNOPSIS - - static struct type *decode_die_type (struct dieinfo *dip) - - DESCRIPTION - - Given a pointer to a die information structure DIP, decode the - type of the die and return a pointer to the decoded type. All - dies without specific types default to type int. - */ - -static struct type * -decode_die_type (struct dieinfo *dip) -{ - struct type *type = NULL; - - if (dip->at_fund_type != 0) - { - type = decode_fund_type (dip->at_fund_type); - } - else if (dip->at_mod_fund_type != NULL) - { - type = decode_mod_fund_type (dip->at_mod_fund_type); - } - else if (dip->at_user_def_type) - { - type = lookup_utype (dip->at_user_def_type); - if (type == NULL) - { - type = alloc_utype (dip->at_user_def_type, NULL); - } - } - else if (dip->at_mod_u_d_type) - { - type = decode_mod_u_d_type (dip->at_mod_u_d_type); - } - else - { - type = dwarf_fundamental_type (current_objfile, FT_VOID); - } - return (type); -} - -/* - - LOCAL FUNCTION - - struct_type -- compute and return the type for a struct or union - - SYNOPSIS - - static struct type *struct_type (struct dieinfo *dip, char *thisdie, - char *enddie, struct objfile *objfile) - - DESCRIPTION - - Given pointer to a die information structure for a die which - defines a union or structure (and MUST define one or the other), - and pointers to the raw die data that define the range of dies which - define the members, compute and return the user defined type for the - structure or union. - */ - -static struct type * -struct_type (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct type *type; - struct nextfield - { - struct nextfield *next; - struct field field; - }; - struct nextfield *list = NULL; - struct nextfield *new; - int nfields = 0; - int n; - struct dieinfo mbr; - char *nextdie; - int anonymous_size; - - type = lookup_utype (dip->die_ref); - if (type == NULL) - { - /* No forward references created an empty type, so install one now */ - type = alloc_utype (dip->die_ref, NULL); - } - INIT_CPLUS_SPECIFIC (type); - switch (dip->die_tag) - { - case TAG_class_type: - TYPE_CODE (type) = TYPE_CODE_CLASS; - break; - case TAG_structure_type: - TYPE_CODE (type) = TYPE_CODE_STRUCT; - break; - case TAG_union_type: - TYPE_CODE (type) = TYPE_CODE_UNION; - break; - default: - /* Should never happen */ - TYPE_CODE (type) = TYPE_CODE_UNDEF; - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", missing class, structure, or union tag"), - DIE_ID, DIE_NAME); - break; - } - /* Some compilers try to be helpful by inventing "fake" names for - anonymous enums, structures, and unions, like "~0fake" or ".0fake". - Thanks, but no thanks... */ - if (dip->at_name != NULL - && *dip->at_name != '~' - && *dip->at_name != '.') - { - TYPE_TAG_NAME (type) = obconcat (&objfile->objfile_obstack, - "", "", dip->at_name); - } - /* Use whatever size is known. Zero is a valid size. We might however - wish to check has_at_byte_size to make sure that some byte size was - given explicitly, but DWARF doesn't specify that explicit sizes of - zero have to present, so complaining about missing sizes should - probably not be the default. */ - TYPE_LENGTH (type) = dip->at_byte_size; - thisdie += dip->die_length; - while (thisdie < enddie) - { - basicdieinfo (&mbr, thisdie, objfile); - completedieinfo (&mbr, objfile); - if (mbr.die_length <= SIZEOF_DIE_LENGTH) - { - break; - } - else if (mbr.at_sibling != 0) - { - nextdie = dbbase + mbr.at_sibling - dbroff; - } - else - { - nextdie = thisdie + mbr.die_length; - } - switch (mbr.die_tag) - { - case TAG_member: - /* Static fields can be either TAG_global_variable (GCC) or else - TAG_member with no location (Diab). We could treat the latter like - the former... but since we don't support the former, just avoid - crashing on the latter for now. */ - if (mbr.at_location == NULL) - break; - - /* Get space to record the next field's data. */ - new = (struct nextfield *) alloca (sizeof (struct nextfield)); - new->next = list; - list = new; - /* Save the data. */ - list->field.name = - obsavestring (mbr.at_name, strlen (mbr.at_name), - &objfile->objfile_obstack); - FIELD_TYPE (list->field) = decode_die_type (&mbr); - FIELD_BITPOS (list->field) = 8 * locval (&mbr); - FIELD_STATIC_KIND (list->field) = 0; - /* Handle bit fields. */ - FIELD_BITSIZE (list->field) = mbr.at_bit_size; - if (BITS_BIG_ENDIAN) - { - /* For big endian bits, the at_bit_offset gives the - additional bit offset from the MSB of the containing - anonymous object to the MSB of the field. We don't - have to do anything special since we don't need to - know the size of the anonymous object. */ - FIELD_BITPOS (list->field) += mbr.at_bit_offset; - } - else - { - /* For little endian bits, we need to have a non-zero - at_bit_size, so that we know we are in fact dealing - with a bitfield. Compute the bit offset to the MSB - of the anonymous object, subtract off the number of - bits from the MSB of the field to the MSB of the - object, and then subtract off the number of bits of - the field itself. The result is the bit offset of - the LSB of the field. */ - if (mbr.at_bit_size > 0) - { - if (mbr.has_at_byte_size) - { - /* The size of the anonymous object containing - the bit field is explicit, so use the - indicated size (in bytes). */ - anonymous_size = mbr.at_byte_size; - } - else - { - /* The size of the anonymous object containing - the bit field matches the size of an object - of the bit field's type. DWARF allows - at_byte_size to be left out in such cases, as - a debug information size optimization. */ - anonymous_size = TYPE_LENGTH (list->field.type); - } - FIELD_BITPOS (list->field) += - anonymous_size * 8 - mbr.at_bit_offset - mbr.at_bit_size; - } - } - nfields++; - break; - default: - process_dies (thisdie, nextdie, objfile); - break; - } - thisdie = nextdie; - } - /* Now create the vector of fields, and record how big it is. We may - not even have any fields, if this DIE was generated due to a reference - to an anonymous structure or union. In this case, TYPE_FLAG_STUB is - set, which clues gdb in to the fact that it needs to search elsewhere - for the full structure definition. */ - if (nfields == 0) - { - TYPE_FLAGS (type) |= TYPE_FLAG_STUB; - } - else - { - TYPE_NFIELDS (type) = nfields; - TYPE_FIELDS (type) = (struct field *) - TYPE_ALLOC (type, sizeof (struct field) * nfields); - /* Copy the saved-up fields into the field vector. */ - for (n = nfields; list; list = list->next) - { - TYPE_FIELD (type, --n) = list->field; - } - } - return (type); -} - -/* - - LOCAL FUNCTION - - read_structure_scope -- process all dies within struct or union - - SYNOPSIS - - static void read_structure_scope (struct dieinfo *dip, - char *thisdie, char *enddie, struct objfile *objfile) - - DESCRIPTION - - Called when we find the DIE that starts a structure or union - scope (definition) to process all dies that define the members - of the structure or union. DIP is a pointer to the die info - struct for the DIE that names the structure or union. - - NOTES - - Note that we need to call struct_type regardless of whether or not - the DIE has an at_name attribute, since it might be an anonymous - structure or union. This gets the type entered into our set of - user defined types. - - However, if the structure is incomplete (an opaque struct/union) - then suppress creating a symbol table entry for it since gdb only - wants to find the one with the complete definition. Note that if - it is complete, we just call new_symbol, which does it's own - checking about whether the struct/union is anonymous or not (and - suppresses creating a symbol table entry itself). - - */ - -static void -read_structure_scope (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct type *type; - struct symbol *sym; - - type = struct_type (dip, thisdie, enddie, objfile); - if (!TYPE_STUB (type)) - { - sym = new_symbol (dip, objfile); - if (sym != NULL) - { - SYMBOL_TYPE (sym) = type; - if (cu_language == language_cplus) - { - synthesize_typedef (dip, objfile, type); - } - } - } -} - -/* - - LOCAL FUNCTION - - decode_array_element_type -- decode type of the array elements - - SYNOPSIS - - static struct type *decode_array_element_type (char *scan, char *end) - - DESCRIPTION - - As the last step in decoding the array subscript information for an - array DIE, we need to decode the type of the array elements. We are - passed a pointer to this last part of the subscript information and - must return the appropriate type. If the type attribute is not - recognized, just warn about the problem and return type int. - */ - -static struct type * -decode_array_element_type (char *scan) -{ - struct type *typep; - DIE_REF die_ref; - unsigned short attribute; - unsigned short fundtype; - int nbytes; - - attribute = target_to_host (scan, SIZEOF_ATTRIBUTE, GET_UNSIGNED, - current_objfile); - scan += SIZEOF_ATTRIBUTE; - nbytes = attribute_size (attribute); - if (nbytes == -1) - { - bad_array_element_type_complaint (DIE_ID, DIE_NAME, attribute); - typep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - } - else - { - switch (attribute) - { - case AT_fund_type: - fundtype = target_to_host (scan, nbytes, GET_UNSIGNED, - current_objfile); - typep = decode_fund_type (fundtype); - break; - case AT_mod_fund_type: - typep = decode_mod_fund_type (scan); - break; - case AT_user_def_type: - die_ref = target_to_host (scan, nbytes, GET_UNSIGNED, - current_objfile); - typep = lookup_utype (die_ref); - if (typep == NULL) - { - typep = alloc_utype (die_ref, NULL); - } - break; - case AT_mod_u_d_type: - typep = decode_mod_u_d_type (scan); - break; - default: - bad_array_element_type_complaint (DIE_ID, DIE_NAME, attribute); - typep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - break; - } - } - return (typep); -} - -/* - - LOCAL FUNCTION - - decode_subscript_data_item -- decode array subscript item - - SYNOPSIS - - static struct type * - decode_subscript_data_item (char *scan, char *end) - - DESCRIPTION - - The array subscripts and the data type of the elements of an - array are described by a list of data items, stored as a block - of contiguous bytes. There is a data item describing each array - dimension, and a final data item describing the element type. - The data items are ordered the same as their appearance in the - source (I.E. leftmost dimension first, next to leftmost second, - etc). - - The data items describing each array dimension consist of four - parts: (1) a format specifier, (2) type type of the subscript - index, (3) a description of the low bound of the array dimension, - and (4) a description of the high bound of the array dimension. - - The last data item is the description of the type of each of - the array elements. - - We are passed a pointer to the start of the block of bytes - containing the remaining data items, and a pointer to the first - byte past the data. This function recursively decodes the - remaining data items and returns a type. - - If we somehow fail to decode some data, we complain about it - and return a type "array of int". - - BUGS - FIXME: This code only implements the forms currently used - by the AT&T and GNU C compilers. - - The end pointer is supplied for error checking, maybe we should - use it for that... - */ - -static struct type * -decode_subscript_data_item (char *scan, char *end) -{ - struct type *typep = NULL; /* Array type we are building */ - struct type *nexttype; /* Type of each element (may be array) */ - struct type *indextype; /* Type of this index */ - struct type *rangetype; - unsigned int format; - unsigned short fundtype; - unsigned long lowbound; - unsigned long highbound; - int nbytes; - - format = target_to_host (scan, SIZEOF_FORMAT_SPECIFIER, GET_UNSIGNED, - current_objfile); - scan += SIZEOF_FORMAT_SPECIFIER; - switch (format) - { - case FMT_ET: - typep = decode_array_element_type (scan); - break; - case FMT_FT_C_C: - fundtype = target_to_host (scan, SIZEOF_FMT_FT, GET_UNSIGNED, - current_objfile); - indextype = decode_fund_type (fundtype); - scan += SIZEOF_FMT_FT; - nbytes = TARGET_FT_LONG_SIZE (current_objfile); - lowbound = target_to_host (scan, nbytes, GET_UNSIGNED, current_objfile); - scan += nbytes; - highbound = target_to_host (scan, nbytes, GET_UNSIGNED, current_objfile); - scan += nbytes; - nexttype = decode_subscript_data_item (scan, end); - if (nexttype == NULL) - { - /* Munged subscript data or other problem, fake it. */ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", can't decode subscript data items"), - DIE_ID, DIE_NAME); - nexttype = dwarf_fundamental_type (current_objfile, FT_INTEGER); - } - rangetype = create_range_type ((struct type *) NULL, indextype, - lowbound, highbound); - typep = create_array_type ((struct type *) NULL, nexttype, rangetype); - break; - case FMT_FT_C_X: - case FMT_FT_X_C: - case FMT_FT_X_X: - case FMT_UT_C_C: - case FMT_UT_C_X: - case FMT_UT_X_C: - case FMT_UT_X_X: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", array subscript format 0x%x not handled yet"), - DIE_ID, DIE_NAME, format); - nexttype = dwarf_fundamental_type (current_objfile, FT_INTEGER); - rangetype = create_range_type ((struct type *) NULL, nexttype, 0, 0); - typep = create_array_type ((struct type *) NULL, nexttype, rangetype); - break; - default: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", unknown array subscript format %x"), DIE_ID, - DIE_NAME, format); - nexttype = dwarf_fundamental_type (current_objfile, FT_INTEGER); - rangetype = create_range_type ((struct type *) NULL, nexttype, 0, 0); - typep = create_array_type ((struct type *) NULL, nexttype, rangetype); - break; - } - return (typep); -} - -/* - - LOCAL FUNCTION - - dwarf_read_array_type -- read TAG_array_type DIE - - SYNOPSIS - - static void dwarf_read_array_type (struct dieinfo *dip) - - DESCRIPTION - - Extract all information from a TAG_array_type DIE and add to - the user defined type vector. - */ - -static void -dwarf_read_array_type (struct dieinfo *dip) -{ - struct type *type; - struct type *utype; - char *sub; - char *subend; - unsigned short blocksz; - int nbytes; - - if (dip->at_ordering != ORD_row_major) - { - /* FIXME: Can gdb even handle column major arrays? */ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", array not row major; not handled correctly"), - DIE_ID, DIE_NAME); - } - sub = dip->at_subscr_data; - if (sub != NULL) - { - nbytes = attribute_size (AT_subscr_data); - blocksz = target_to_host (sub, nbytes, GET_UNSIGNED, current_objfile); - subend = sub + nbytes + blocksz; - sub += nbytes; - type = decode_subscript_data_item (sub, subend); - utype = lookup_utype (dip->die_ref); - if (utype == NULL) - { - /* Install user defined type that has not been referenced yet. */ - alloc_utype (dip->die_ref, type); - } - else if (TYPE_CODE (utype) == TYPE_CODE_UNDEF) - { - /* Ick! A forward ref has already generated a blank type in our - slot, and this type probably already has things pointing to it - (which is what caused it to be created in the first place). - If it's just a place holder we can plop our fully defined type - on top of it. We can't recover the space allocated for our - new type since it might be on an obstack, but we could reuse - it if we kept a list of them, but it might not be worth it - (FIXME). */ - *utype = *type; - } - else - { - /* Double ick! Not only is a type already in our slot, but - someone has decorated it. Complain and leave it alone. */ - dup_user_type_definition_complaint (DIE_ID, DIE_NAME); - } - } -} - -/* - - LOCAL FUNCTION - - read_tag_pointer_type -- read TAG_pointer_type DIE - - SYNOPSIS - - static void read_tag_pointer_type (struct dieinfo *dip) - - DESCRIPTION - - Extract all information from a TAG_pointer_type DIE and add to - the user defined type vector. - */ - -static void -read_tag_pointer_type (struct dieinfo *dip) -{ - struct type *type; - struct type *utype; - - type = decode_die_type (dip); - utype = lookup_utype (dip->die_ref); - if (utype == NULL) - { - utype = lookup_pointer_type (type); - alloc_utype (dip->die_ref, utype); - } - else - { - TYPE_TARGET_TYPE (utype) = type; - TYPE_POINTER_TYPE (type) = utype; - - /* We assume the machine has only one representation for pointers! */ - /* FIXME: Possably a poor assumption */ - TYPE_LENGTH (utype) = TARGET_PTR_BIT / TARGET_CHAR_BIT; - TYPE_CODE (utype) = TYPE_CODE_PTR; - } -} - -/* - - LOCAL FUNCTION - - read_tag_string_type -- read TAG_string_type DIE - - SYNOPSIS - - static void read_tag_string_type (struct dieinfo *dip) - - DESCRIPTION - - Extract all information from a TAG_string_type DIE and add to - the user defined type vector. It isn't really a user defined - type, but it behaves like one, with other DIE's using an - AT_user_def_type attribute to reference it. - */ - -static void -read_tag_string_type (struct dieinfo *dip) -{ - struct type *utype; - struct type *indextype; - struct type *rangetype; - unsigned long lowbound = 0; - unsigned long highbound; - - if (dip->has_at_byte_size) - { - /* A fixed bounds string */ - highbound = dip->at_byte_size - 1; - } - else - { - /* A varying length string. Stub for now. (FIXME) */ - highbound = 1; - } - indextype = dwarf_fundamental_type (current_objfile, FT_INTEGER); - rangetype = create_range_type ((struct type *) NULL, indextype, lowbound, - highbound); - - utype = lookup_utype (dip->die_ref); - if (utype == NULL) - { - /* No type defined, go ahead and create a blank one to use. */ - utype = alloc_utype (dip->die_ref, (struct type *) NULL); - } - else - { - /* Already a type in our slot due to a forward reference. Make sure it - is a blank one. If not, complain and leave it alone. */ - if (TYPE_CODE (utype) != TYPE_CODE_UNDEF) - { - dup_user_type_definition_complaint (DIE_ID, DIE_NAME); - return; - } - } - - /* Create the string type using the blank type we either found or created. */ - utype = create_string_type (utype, rangetype); -} - -/* - - LOCAL FUNCTION - - read_subroutine_type -- process TAG_subroutine_type dies - - SYNOPSIS - - static void read_subroutine_type (struct dieinfo *dip, char thisdie, - char *enddie) - - DESCRIPTION - - Handle DIES due to C code like: - - struct foo { - int (*funcp)(int a, long l); (Generates TAG_subroutine_type DIE) - int b; - }; - - NOTES - - The parameter DIES are currently ignored. See if gdb has a way to - include this info in it's type system, and decode them if so. Is - this what the type structure's "arg_types" field is for? (FIXME) - */ - -static void -read_subroutine_type (struct dieinfo *dip, char *thisdie, char *enddie) -{ - struct type *type; /* Type that this function returns */ - struct type *ftype; /* Function that returns above type */ - - /* Decode the type that this subroutine returns */ - - type = decode_die_type (dip); - - /* Check to see if we already have a partially constructed user - defined type for this DIE, from a forward reference. */ - - ftype = lookup_utype (dip->die_ref); - if (ftype == NULL) - { - /* This is the first reference to one of these types. Make - a new one and place it in the user defined types. */ - ftype = lookup_function_type (type); - alloc_utype (dip->die_ref, ftype); - } - else if (TYPE_CODE (ftype) == TYPE_CODE_UNDEF) - { - /* We have an existing partially constructed type, so bash it - into the correct type. */ - TYPE_TARGET_TYPE (ftype) = type; - TYPE_LENGTH (ftype) = 1; - TYPE_CODE (ftype) = TYPE_CODE_FUNC; - } - else - { - dup_user_type_definition_complaint (DIE_ID, DIE_NAME); - } -} - -/* - - LOCAL FUNCTION - - read_enumeration -- process dies which define an enumeration - - SYNOPSIS - - static void read_enumeration (struct dieinfo *dip, char *thisdie, - char *enddie, struct objfile *objfile) - - DESCRIPTION - - Given a pointer to a die which begins an enumeration, process all - the dies that define the members of the enumeration. - - NOTES - - Note that we need to call enum_type regardless of whether or not we - have a symbol, since we might have an enum without a tag name (thus - no symbol for the tagname). - */ - -static void -read_enumeration (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct type *type; - struct symbol *sym; - - type = enum_type (dip, objfile); - sym = new_symbol (dip, objfile); - if (sym != NULL) - { - SYMBOL_TYPE (sym) = type; - if (cu_language == language_cplus) - { - synthesize_typedef (dip, objfile, type); - } - } -} - -/* - - LOCAL FUNCTION - - enum_type -- decode and return a type for an enumeration - - SYNOPSIS - - static type *enum_type (struct dieinfo *dip, struct objfile *objfile) - - DESCRIPTION - - Given a pointer to a die information structure for the die which - starts an enumeration, process all the dies that define the members - of the enumeration and return a type pointer for the enumeration. - - At the same time, for each member of the enumeration, create a - symbol for it with domain VAR_DOMAIN and class LOC_CONST, - and give it the type of the enumeration itself. - - NOTES - - Note that the DWARF specification explicitly mandates that enum - constants occur in reverse order from the source program order, - for "consistency" and because this ordering is easier for many - compilers to generate. (Draft 6, sec 3.8.5, Enumeration type - Entries). Because gdb wants to see the enum members in program - source order, we have to ensure that the order gets reversed while - we are processing them. - */ - -static struct type * -enum_type (struct dieinfo *dip, struct objfile *objfile) -{ - struct type *type; - struct nextfield - { - struct nextfield *next; - struct field field; - }; - struct nextfield *list = NULL; - struct nextfield *new; - int nfields = 0; - int n; - char *scan; - char *listend; - unsigned short blocksz; - struct symbol *sym; - int nbytes; - int unsigned_enum = 1; - - type = lookup_utype (dip->die_ref); - if (type == NULL) - { - /* No forward references created an empty type, so install one now */ - type = alloc_utype (dip->die_ref, NULL); - } - TYPE_CODE (type) = TYPE_CODE_ENUM; - /* Some compilers try to be helpful by inventing "fake" names for - anonymous enums, structures, and unions, like "~0fake" or ".0fake". - Thanks, but no thanks... */ - if (dip->at_name != NULL - && *dip->at_name != '~' - && *dip->at_name != '.') - { - TYPE_TAG_NAME (type) = obconcat (&objfile->objfile_obstack, - "", "", dip->at_name); - } - if (dip->at_byte_size != 0) - { - TYPE_LENGTH (type) = dip->at_byte_size; - } - scan = dip->at_element_list; - if (scan != NULL) - { - if (dip->short_element_list) - { - nbytes = attribute_size (AT_short_element_list); - } - else - { - nbytes = attribute_size (AT_element_list); - } - blocksz = target_to_host (scan, nbytes, GET_UNSIGNED, objfile); - listend = scan + nbytes + blocksz; - scan += nbytes; - while (scan < listend) - { - new = (struct nextfield *) alloca (sizeof (struct nextfield)); - new->next = list; - list = new; - FIELD_TYPE (list->field) = NULL; - FIELD_BITSIZE (list->field) = 0; - FIELD_STATIC_KIND (list->field) = 0; - FIELD_BITPOS (list->field) = - target_to_host (scan, TARGET_FT_LONG_SIZE (objfile), GET_SIGNED, - objfile); - scan += TARGET_FT_LONG_SIZE (objfile); - list->field.name = obsavestring (scan, strlen (scan), - &objfile->objfile_obstack); - scan += strlen (scan) + 1; - nfields++; - /* Handcraft a new symbol for this enum member. */ - sym = (struct symbol *) obstack_alloc (&objfile->objfile_obstack, - sizeof (struct symbol)); - memset (sym, 0, sizeof (struct symbol)); - DEPRECATED_SYMBOL_NAME (sym) = create_name (list->field.name, - &objfile->objfile_obstack); - SYMBOL_INIT_LANGUAGE_SPECIFIC (sym, cu_language); - SYMBOL_DOMAIN (sym) = VAR_DOMAIN; - SYMBOL_CLASS (sym) = LOC_CONST; - SYMBOL_TYPE (sym) = type; - SYMBOL_VALUE (sym) = FIELD_BITPOS (list->field); - if (SYMBOL_VALUE (sym) < 0) - unsigned_enum = 0; - add_symbol_to_list (sym, list_in_scope); - } - /* Now create the vector of fields, and record how big it is. This is - where we reverse the order, by pulling the members off the list in - reverse order from how they were inserted. If we have no fields - (this is apparently possible in C++) then skip building a field - vector. */ - if (nfields > 0) - { - if (unsigned_enum) - TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED; - TYPE_NFIELDS (type) = nfields; - TYPE_FIELDS (type) = (struct field *) - obstack_alloc (&objfile->objfile_obstack, sizeof (struct field) * nfields); - /* Copy the saved-up fields into the field vector. */ - for (n = 0; (n < nfields) && (list != NULL); list = list->next) - { - TYPE_FIELD (type, n++) = list->field; - } - } - } - return (type); -} - -/* - - LOCAL FUNCTION - - read_func_scope -- process all dies within a function scope - - DESCRIPTION - - Process all dies within a given function scope. We are passed - a die information structure pointer DIP for the die which - starts the function scope, and pointers into the raw die data - that define the dies within the function scope. - - For now, we ignore lexical block scopes within the function. - The problem is that AT&T cc does not define a DWARF lexical - block scope for the function itself, while gcc defines a - lexical block scope for the function. We need to think about - how to handle this difference, or if it is even a problem. - (FIXME) - */ - -static void -read_func_scope (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct context_stack *new; - - /* AT_name is absent if the function is described with an - AT_abstract_origin tag. - Ignore the function description for now to avoid GDB core dumps. - FIXME: Add code to handle AT_abstract_origin tags properly. */ - if (dip->at_name == NULL) - { - complaint (&symfile_complaints, _("DIE @ 0x%x, AT_name tag missing"), - DIE_ID); - return; - } - - new = push_context (0, dip->at_low_pc); - new->name = new_symbol (dip, objfile); - list_in_scope = &local_symbols; - process_dies (thisdie + dip->die_length, enddie, objfile); - new = pop_context (); - /* Make a block for the local symbols within. */ - finish_block (new->name, &local_symbols, new->old_blocks, - new->start_addr, dip->at_high_pc, objfile); - list_in_scope = &file_symbols; -} - - -/* - - LOCAL FUNCTION - - handle_producer -- process the AT_producer attribute - - DESCRIPTION - - Perform any operations that depend on finding a particular - AT_producer attribute. - - */ - -static void -handle_producer (char *producer) -{ - - /* If this compilation unit was compiled with g++ or gcc, then set the - processing_gcc_compilation flag. */ - - if (DEPRECATED_STREQN (producer, GCC_PRODUCER, strlen (GCC_PRODUCER))) - { - char version = producer[strlen (GCC_PRODUCER)]; - processing_gcc_compilation = (version == '2' ? 2 : 1); - } - else - { - processing_gcc_compilation = - strncmp (producer, GPLUS_PRODUCER, strlen (GPLUS_PRODUCER)) == 0; - } - - /* Select a demangling style if we can identify the producer and if - the current style is auto. We leave the current style alone if it - is not auto. We also leave the demangling style alone if we find a - gcc (cc1) producer, as opposed to a g++ (cc1plus) producer. */ - - if (AUTO_DEMANGLING) - { - if (DEPRECATED_STREQN (producer, GPLUS_PRODUCER, strlen (GPLUS_PRODUCER))) - { -#if 0 - /* For now, stay with AUTO_DEMANGLING for g++ output, as we don't - know whether it will use the old style or v3 mangling. */ - set_demangling_style (GNU_DEMANGLING_STYLE_STRING); -#endif - } - else if (DEPRECATED_STREQN (producer, LCC_PRODUCER, strlen (LCC_PRODUCER))) - { - set_demangling_style (LUCID_DEMANGLING_STYLE_STRING); - } - } -} - - -/* - - LOCAL FUNCTION - - read_file_scope -- process all dies within a file scope - - DESCRIPTION - - Process all dies within a given file scope. We are passed a - pointer to the die information structure for the die which - starts the file scope, and pointers into the raw die data which - mark the range of dies within the file scope. - - When the partial symbol table is built, the file offset for the line - number table for each compilation unit is saved in the partial symbol - table entry for that compilation unit. As the symbols for each - compilation unit are read, the line number table is read into memory - and the variable lnbase is set to point to it. Thus all we have to - do is use lnbase to access the line number table for the current - compilation unit. - */ - -static void -read_file_scope (struct dieinfo *dip, char *thisdie, char *enddie, - struct objfile *objfile) -{ - struct cleanup *back_to; - struct symtab *symtab; - - set_cu_language (dip); - if (dip->at_producer != NULL) - { - handle_producer (dip->at_producer); - } - numutypes = (enddie - thisdie) / 4; - utypes = (struct type **) xmalloc (numutypes * sizeof (struct type *)); - back_to = make_cleanup (free_utypes, NULL); - memset (utypes, 0, numutypes * sizeof (struct type *)); - memset (ftypes, 0, FT_NUM_MEMBERS * sizeof (struct type *)); - start_symtab (dip->at_name, dip->at_comp_dir, dip->at_low_pc); - record_debugformat ("DWARF 1"); - decode_line_numbers (lnbase); - process_dies (thisdie + dip->die_length, enddie, objfile); - - symtab = end_symtab (dip->at_high_pc, objfile, 0); - if (symtab != NULL) - { - symtab->language = cu_language; - } - do_cleanups (back_to); -} - -/* - - LOCAL FUNCTION - - process_dies -- process a range of DWARF Information Entries - - SYNOPSIS - - static void process_dies (char *thisdie, char *enddie, - struct objfile *objfile) - - DESCRIPTION - - Process all DIE's in a specified range. May be (and almost - certainly will be) called recursively. - */ - -static void -process_dies (char *thisdie, char *enddie, struct objfile *objfile) -{ - char *nextdie; - struct dieinfo di; - - while (thisdie < enddie) - { - basicdieinfo (&di, thisdie, objfile); - if (di.die_length < SIZEOF_DIE_LENGTH) - { - break; - } - else if (di.die_tag == TAG_padding) - { - nextdie = thisdie + di.die_length; - } - else - { - completedieinfo (&di, objfile); - if (di.at_sibling != 0) - { - nextdie = dbbase + di.at_sibling - dbroff; - } - else - { - nextdie = thisdie + di.die_length; - } - /* I think that these are always text, not data, addresses. */ - di.at_low_pc = SMASH_TEXT_ADDRESS (di.at_low_pc); - di.at_high_pc = SMASH_TEXT_ADDRESS (di.at_high_pc); - switch (di.die_tag) - { - case TAG_compile_unit: - /* Skip Tag_compile_unit if we are already inside a compilation - unit, we are unable to handle nested compilation units - properly (FIXME). */ - if (current_subfile == NULL) - read_file_scope (&di, thisdie, nextdie, objfile); - else - nextdie = thisdie + di.die_length; - break; - case TAG_global_subroutine: - case TAG_subroutine: - if (di.has_at_low_pc) - { - read_func_scope (&di, thisdie, nextdie, objfile); - } - break; - case TAG_lexical_block: - read_lexical_block_scope (&di, thisdie, nextdie, objfile); - break; - case TAG_class_type: - case TAG_structure_type: - case TAG_union_type: - read_structure_scope (&di, thisdie, nextdie, objfile); - break; - case TAG_enumeration_type: - read_enumeration (&di, thisdie, nextdie, objfile); - break; - case TAG_subroutine_type: - read_subroutine_type (&di, thisdie, nextdie); - break; - case TAG_array_type: - dwarf_read_array_type (&di); - break; - case TAG_pointer_type: - read_tag_pointer_type (&di); - break; - case TAG_string_type: - read_tag_string_type (&di); - break; - default: - new_symbol (&di, objfile); - break; - } - } - thisdie = nextdie; - } -} - -/* - - LOCAL FUNCTION - - decode_line_numbers -- decode a line number table fragment - - SYNOPSIS - - static void decode_line_numbers (char *tblscan, char *tblend, - long length, long base, long line, long pc) - - DESCRIPTION - - Translate the DWARF line number information to gdb form. - - The ".line" section contains one or more line number tables, one for - each ".line" section from the objects that were linked. - - The AT_stmt_list attribute for each TAG_source_file entry in the - ".debug" section contains the offset into the ".line" section for the - start of the table for that file. - - The table itself has the following structure: - - <table length><base address><source statement entry> - 4 bytes 4 bytes 10 bytes - - The table length is the total size of the table, including the 4 bytes - for the length information. - - The base address is the address of the first instruction generated - for the source file. - - Each source statement entry has the following structure: - - <line number><statement position><address delta> - 4 bytes 2 bytes 4 bytes - - The line number is relative to the start of the file, starting with - line 1. - - The statement position either -1 (0xFFFF) or the number of characters - from the beginning of the line to the beginning of the statement. - - The address delta is the difference between the base address and - the address of the first instruction for the statement. - - Note that we must copy the bytes from the packed table to our local - variables before attempting to use them, to avoid alignment problems - on some machines, particularly RISC processors. - - BUGS - - Does gdb expect the line numbers to be sorted? They are now by - chance/luck, but are not required to be. (FIXME) - - The line with number 0 is unused, gdb apparently can discover the - span of the last line some other way. How? (FIXME) - */ - -static void -decode_line_numbers (char *linetable) -{ - char *tblscan; - char *tblend; - unsigned long length; - unsigned long base; - unsigned long line; - unsigned long pc; - - if (linetable != NULL) - { - tblscan = tblend = linetable; - length = target_to_host (tblscan, SIZEOF_LINETBL_LENGTH, GET_UNSIGNED, - current_objfile); - tblscan += SIZEOF_LINETBL_LENGTH; - tblend += length; - base = target_to_host (tblscan, TARGET_FT_POINTER_SIZE (objfile), - GET_UNSIGNED, current_objfile); - tblscan += TARGET_FT_POINTER_SIZE (objfile); - base += baseaddr; - while (tblscan < tblend) - { - line = target_to_host (tblscan, SIZEOF_LINETBL_LINENO, GET_UNSIGNED, - current_objfile); - tblscan += SIZEOF_LINETBL_LINENO + SIZEOF_LINETBL_STMT; - pc = target_to_host (tblscan, SIZEOF_LINETBL_DELTA, GET_UNSIGNED, - current_objfile); - tblscan += SIZEOF_LINETBL_DELTA; - pc += base; - if (line != 0) - { - record_line (current_subfile, line, pc); - } - } - } -} - -/* - - LOCAL FUNCTION - - locval -- compute the value of a location attribute - - SYNOPSIS - - static int locval (struct dieinfo *dip) - - DESCRIPTION - - Given pointer to a string of bytes that define a location, compute - the location and return the value. - A location description containing no atoms indicates that the - object is optimized out. The optimized_out flag is set for those, - the return value is meaningless. - - When computing values involving the current value of the frame pointer, - the value zero is used, which results in a value relative to the frame - pointer, rather than the absolute value. This is what GDB wants - anyway. - - When the result is a register number, the isreg flag is set, otherwise - it is cleared. This is a kludge until we figure out a better - way to handle the problem. Gdb's design does not mesh well with the - DWARF notion of a location computing interpreter, which is a shame - because the flexibility goes unused. - - NOTES - - Note that stack[0] is unused except as a default error return. - Note that stack overflow is not yet handled. - */ - -static int -locval (struct dieinfo *dip) -{ - unsigned short nbytes; - unsigned short locsize; - auto long stack[64]; - int stacki; - char *loc; - char *end; - int loc_atom_code; - int loc_value_size; - - loc = dip->at_location; - nbytes = attribute_size (AT_location); - locsize = target_to_host (loc, nbytes, GET_UNSIGNED, current_objfile); - loc += nbytes; - end = loc + locsize; - stacki = 0; - stack[stacki] = 0; - dip->isreg = 0; - dip->offreg = 0; - dip->optimized_out = 1; - loc_value_size = TARGET_FT_LONG_SIZE (current_objfile); - while (loc < end) - { - dip->optimized_out = 0; - loc_atom_code = target_to_host (loc, SIZEOF_LOC_ATOM_CODE, GET_UNSIGNED, - current_objfile); - loc += SIZEOF_LOC_ATOM_CODE; - switch (loc_atom_code) - { - case 0: - /* error */ - loc = end; - break; - case OP_REG: - /* push register (number) */ - stack[++stacki] - = DWARF_REG_TO_REGNUM (target_to_host (loc, loc_value_size, - GET_UNSIGNED, - current_objfile)); - loc += loc_value_size; - dip->isreg = 1; - break; - case OP_BASEREG: - /* push value of register (number) */ - /* Actually, we compute the value as if register has 0, so the - value ends up being the offset from that register. */ - dip->offreg = 1; - dip->basereg = target_to_host (loc, loc_value_size, GET_UNSIGNED, - current_objfile); - loc += loc_value_size; - stack[++stacki] = 0; - break; - case OP_ADDR: - /* push address (relocated address) */ - stack[++stacki] = target_to_host (loc, loc_value_size, - GET_UNSIGNED, current_objfile); - loc += loc_value_size; - break; - case OP_CONST: - /* push constant (number) FIXME: signed or unsigned! */ - stack[++stacki] = target_to_host (loc, loc_value_size, - GET_SIGNED, current_objfile); - loc += loc_value_size; - break; - case OP_DEREF2: - /* pop, deref and push 2 bytes (as a long) */ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", OP_DEREF2 address 0x%lx not handled"), - DIE_ID, DIE_NAME, stack[stacki]); - break; - case OP_DEREF4: /* pop, deref and push 4 bytes (as a long) */ - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", OP_DEREF4 address 0x%lx not handled"), - DIE_ID, DIE_NAME, stack[stacki]); - break; - case OP_ADD: /* pop top 2 items, add, push result */ - stack[stacki - 1] += stack[stacki]; - stacki--; - break; - } - } - return (stack[stacki]); -} - -/* - - LOCAL FUNCTION - - read_ofile_symtab -- build a full symtab entry from chunk of DIE's - - SYNOPSIS - - static void read_ofile_symtab (struct partial_symtab *pst) - - DESCRIPTION - - When expanding a partial symbol table entry to a full symbol table - entry, this is the function that gets called to read in the symbols - for the compilation unit. A pointer to the newly constructed symtab, - which is now the new first one on the objfile's symtab list, is - stashed in the partial symbol table entry. - */ - -static void -read_ofile_symtab (struct partial_symtab *pst) -{ - struct cleanup *back_to; - unsigned long lnsize; - file_ptr foffset; - bfd *abfd; - char lnsizedata[SIZEOF_LINETBL_LENGTH]; - - abfd = pst->objfile->obfd; - current_objfile = pst->objfile; - - /* Allocate a buffer for the entire chunk of DIE's for this compilation - unit, seek to the location in the file, and read in all the DIE's. */ - - diecount = 0; - dbsize = DBLENGTH (pst); - dbbase = xmalloc (dbsize); - dbroff = DBROFF (pst); - foffset = DBFOFF (pst) + dbroff; - base_section_offsets = pst->section_offsets; - baseaddr = ANOFFSET (pst->section_offsets, 0); - if (bfd_seek (abfd, foffset, SEEK_SET) || - (bfd_bread (dbbase, dbsize, abfd) != dbsize)) - { - xfree (dbbase); - error (_("can't read DWARF data")); - } - back_to = make_cleanup (xfree, dbbase); - - /* If there is a line number table associated with this compilation unit - then read the size of this fragment in bytes, from the fragment itself. - Allocate a buffer for the fragment and read it in for future - processing. */ - - lnbase = NULL; - if (LNFOFF (pst)) - { - if (bfd_seek (abfd, LNFOFF (pst), SEEK_SET) || - (bfd_bread (lnsizedata, sizeof (lnsizedata), abfd) - != sizeof (lnsizedata))) - { - error (_("can't read DWARF line number table size")); - } - lnsize = target_to_host (lnsizedata, SIZEOF_LINETBL_LENGTH, - GET_UNSIGNED, pst->objfile); - lnbase = xmalloc (lnsize); - if (bfd_seek (abfd, LNFOFF (pst), SEEK_SET) || - (bfd_bread (lnbase, lnsize, abfd) != lnsize)) - { - xfree (lnbase); - error (_("can't read DWARF line numbers")); - } - make_cleanup (xfree, lnbase); - } - - process_dies (dbbase, dbbase + dbsize, pst->objfile); - do_cleanups (back_to); - current_objfile = NULL; - pst->symtab = pst->objfile->symtabs; -} - -/* - - LOCAL FUNCTION - - psymtab_to_symtab_1 -- do grunt work for building a full symtab entry - - SYNOPSIS - - static void psymtab_to_symtab_1 (struct partial_symtab *pst) - - DESCRIPTION - - Called once for each partial symbol table entry that needs to be - expanded into a full symbol table entry. - - */ - -static void -psymtab_to_symtab_1 (struct partial_symtab *pst) -{ - int i; - struct cleanup *old_chain; - - if (pst != NULL) - { - if (pst->readin) - { - warning (_("psymtab for %s already read in. Shouldn't happen."), - pst->filename); - } - else - { - /* Read in all partial symtabs on which this one is dependent */ - for (i = 0; i < pst->number_of_dependencies; i++) - { - if (!pst->dependencies[i]->readin) - { - /* Inform about additional files that need to be read in. */ - if (info_verbose) - { - /* FIXME: i18n: Need to make this a single - string. */ - fputs_filtered (" ", gdb_stdout); - wrap_here (""); - fputs_filtered ("and ", gdb_stdout); - wrap_here (""); - printf_filtered ("%s...", - pst->dependencies[i]->filename); - wrap_here (""); - gdb_flush (gdb_stdout); /* Flush output */ - } - psymtab_to_symtab_1 (pst->dependencies[i]); - } - } - if (DBLENGTH (pst)) /* Otherwise it's a dummy */ - { - buildsym_init (); - old_chain = make_cleanup (really_free_pendings, 0); - read_ofile_symtab (pst); - if (info_verbose) - { - printf_filtered (_("%d DIE's, sorting..."), diecount); - wrap_here (""); - gdb_flush (gdb_stdout); - } - do_cleanups (old_chain); - } - pst->readin = 1; - } - } -} - -/* - - LOCAL FUNCTION - - dwarf_psymtab_to_symtab -- build a full symtab entry from partial one - - SYNOPSIS - - static void dwarf_psymtab_to_symtab (struct partial_symtab *pst) - - DESCRIPTION - - This is the DWARF support entry point for building a full symbol - table entry from a partial symbol table entry. We are passed a - pointer to the partial symbol table entry that needs to be expanded. - - */ - -static void -dwarf_psymtab_to_symtab (struct partial_symtab *pst) -{ - - if (pst != NULL) - { - if (pst->readin) - { - warning (_("psymtab for %s already read in. Shouldn't happen."), - pst->filename); - } - else - { - if (DBLENGTH (pst) || pst->number_of_dependencies) - { - /* Print the message now, before starting serious work, to avoid - disconcerting pauses. */ - if (info_verbose) - { - printf_filtered (_("Reading in symbols for %s..."), - pst->filename); - gdb_flush (gdb_stdout); - } - - psymtab_to_symtab_1 (pst); - -#if 0 /* FIXME: Check to see what dbxread is doing here and see if - we need to do an equivalent or is this something peculiar to - stabs/a.out format. - Match with global symbols. This only needs to be done once, - after all of the symtabs and dependencies have been read in. - */ - scan_file_globals (pst->objfile); -#endif - - /* Finish up the verbose info message. */ - if (info_verbose) - { - printf_filtered (_("done.\n")); - gdb_flush (gdb_stdout); - } - } - } - } -} - -/* - - LOCAL FUNCTION - - add_enum_psymbol -- add enumeration members to partial symbol table - - DESCRIPTION - - Given pointer to a DIE that is known to be for an enumeration, - extract the symbolic names of the enumeration members and add - partial symbols for them. - */ - -static void -add_enum_psymbol (struct dieinfo *dip, struct objfile *objfile) -{ - char *scan; - char *listend; - unsigned short blocksz; - int nbytes; - - scan = dip->at_element_list; - if (scan != NULL) - { - if (dip->short_element_list) - { - nbytes = attribute_size (AT_short_element_list); - } - else - { - nbytes = attribute_size (AT_element_list); - } - blocksz = target_to_host (scan, nbytes, GET_UNSIGNED, objfile); - scan += nbytes; - listend = scan + blocksz; - while (scan < listend) - { - scan += TARGET_FT_LONG_SIZE (objfile); - add_psymbol_to_list (scan, strlen (scan), VAR_DOMAIN, LOC_CONST, - &objfile->static_psymbols, 0, 0, cu_language, - objfile); - scan += strlen (scan) + 1; - } - } -} - -/* - - LOCAL FUNCTION - - add_partial_symbol -- add symbol to partial symbol table - - DESCRIPTION - - Given a DIE, if it is one of the types that we want to - add to a partial symbol table, finish filling in the die info - and then add a partial symbol table entry for it. - - NOTES - - The caller must ensure that the DIE has a valid name attribute. - */ - -static void -add_partial_symbol (struct dieinfo *dip, struct objfile *objfile) -{ - switch (dip->die_tag) - { - case TAG_global_subroutine: - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_BLOCK, - &objfile->global_psymbols, - 0, dip->at_low_pc, cu_language, objfile); - break; - case TAG_global_variable: - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_STATIC, - &objfile->global_psymbols, - 0, 0, cu_language, objfile); - break; - case TAG_subroutine: - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_BLOCK, - &objfile->static_psymbols, - 0, dip->at_low_pc, cu_language, objfile); - break; - case TAG_local_variable: - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_STATIC, - &objfile->static_psymbols, - 0, 0, cu_language, objfile); - break; - case TAG_typedef: - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_TYPEDEF, - &objfile->static_psymbols, - 0, 0, cu_language, objfile); - break; - case TAG_class_type: - case TAG_structure_type: - case TAG_union_type: - case TAG_enumeration_type: - /* Do not add opaque aggregate definitions to the psymtab. */ - if (!dip->has_at_byte_size) - break; - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - STRUCT_DOMAIN, LOC_TYPEDEF, - &objfile->static_psymbols, - 0, 0, cu_language, objfile); - if (cu_language == language_cplus) - { - /* For C++, these implicitly act as typedefs as well. */ - add_psymbol_to_list (dip->at_name, strlen (dip->at_name), - VAR_DOMAIN, LOC_TYPEDEF, - &objfile->static_psymbols, - 0, 0, cu_language, objfile); - } - break; - } -} -/* *INDENT-OFF* */ -/* - -LOCAL FUNCTION - - scan_partial_symbols -- scan DIE's within a single compilation unit - -DESCRIPTION - - Process the DIE's within a single compilation unit, looking for - interesting DIE's that contribute to the partial symbol table entry - for this compilation unit. - -NOTES - - There are some DIE's that may appear both at file scope and within - the scope of a function. We are only interested in the ones at file - scope, and the only way to tell them apart is to keep track of the - scope. For example, consider the test case: - - static int i; - main () { int j; } - - for which the relevant DWARF segment has the structure: - - 0x51: - 0x23 global subrtn sibling 0x9b - name main - fund_type FT_integer - low_pc 0x800004cc - high_pc 0x800004d4 - - 0x74: - 0x23 local var sibling 0x97 - name j - fund_type FT_integer - location OP_BASEREG 0xe - OP_CONST 0xfffffffc - OP_ADD - 0x97: - 0x4 - - 0x9b: - 0x1d local var sibling 0xb8 - name i - fund_type FT_integer - location OP_ADDR 0x800025dc - - 0xb8: - 0x4 - - We want to include the symbol 'i' in the partial symbol table, but - not the symbol 'j'. In essence, we want to skip all the dies within - the scope of a TAG_global_subroutine DIE. - - Don't attempt to add anonymous structures or unions since they have - no name. Anonymous enumerations however are processed, because we - want to extract their member names (the check for a tag name is - done later). - - Also, for variables and subroutines, check that this is the place - where the actual definition occurs, rather than just a reference - to an external. - */ -/* *INDENT-ON* */ - - - -static void -scan_partial_symbols (char *thisdie, char *enddie, struct objfile *objfile) -{ - char *nextdie; - char *temp; - struct dieinfo di; - - while (thisdie < enddie) - { - basicdieinfo (&di, thisdie, objfile); - if (di.die_length < SIZEOF_DIE_LENGTH) - { - break; - } - else - { - nextdie = thisdie + di.die_length; - /* To avoid getting complete die information for every die, we - only do it (below) for the cases we are interested in. */ - switch (di.die_tag) - { - case TAG_global_subroutine: - case TAG_subroutine: - completedieinfo (&di, objfile); - if (di.at_name && (di.has_at_low_pc || di.at_location)) - { - add_partial_symbol (&di, objfile); - /* If there is a sibling attribute, adjust the nextdie - pointer to skip the entire scope of the subroutine. - Apply some sanity checking to make sure we don't - overrun or underrun the range of remaining DIE's */ - if (di.at_sibling != 0) - { - temp = dbbase + di.at_sibling - dbroff; - if ((temp < thisdie) || (temp >= enddie)) - { - bad_die_ref_complaint (DIE_ID, DIE_NAME, - di.at_sibling); - } - else - { - nextdie = temp; - } - } - } - break; - case TAG_global_variable: - case TAG_local_variable: - completedieinfo (&di, objfile); - if (di.at_name && (di.has_at_low_pc || di.at_location)) - { - add_partial_symbol (&di, objfile); - } - break; - case TAG_typedef: - case TAG_class_type: - case TAG_structure_type: - case TAG_union_type: - completedieinfo (&di, objfile); - if (di.at_name) - { - add_partial_symbol (&di, objfile); - } - break; - case TAG_enumeration_type: - completedieinfo (&di, objfile); - if (di.at_name) - { - add_partial_symbol (&di, objfile); - } - add_enum_psymbol (&di, objfile); - break; - } - } - thisdie = nextdie; - } -} - -/* - - LOCAL FUNCTION - - scan_compilation_units -- build a psymtab entry for each compilation - - DESCRIPTION - - This is the top level dwarf parsing routine for building partial - symbol tables. - - It scans from the beginning of the DWARF table looking for the first - TAG_compile_unit DIE, and then follows the sibling chain to locate - each additional TAG_compile_unit DIE. - - For each TAG_compile_unit DIE it creates a partial symtab structure, - calls a subordinate routine to collect all the compilation unit's - global DIE's, file scope DIEs, typedef DIEs, etc, and then links the - new partial symtab structure into the partial symbol table. It also - records the appropriate information in the partial symbol table entry - to allow the chunk of DIE's and line number table for this compilation - unit to be located and re-read later, to generate a complete symbol - table entry for the compilation unit. - - Thus it effectively partitions up a chunk of DIE's for multiple - compilation units into smaller DIE chunks and line number tables, - and associates them with a partial symbol table entry. - - NOTES - - If any compilation unit has no line number table associated with - it for some reason (a missing at_stmt_list attribute, rather than - just one with a value of zero, which is valid) then we ensure that - the recorded file offset is zero so that the routine which later - reads line number table fragments knows that there is no fragment - to read. - - RETURNS - - Returns no value. - - */ - -static void -scan_compilation_units (char *thisdie, char *enddie, file_ptr dbfoff, - file_ptr lnoffset, struct objfile *objfile) -{ - char *nextdie; - struct dieinfo di; - struct partial_symtab *pst; - int culength; - int curoff; - file_ptr curlnoffset; - - while (thisdie < enddie) - { - basicdieinfo (&di, thisdie, objfile); - if (di.die_length < SIZEOF_DIE_LENGTH) - { - break; - } - else if (di.die_tag != TAG_compile_unit) - { - nextdie = thisdie + di.die_length; - } - else - { - completedieinfo (&di, objfile); - set_cu_language (&di); - if (di.at_sibling != 0) - { - nextdie = dbbase + di.at_sibling - dbroff; - } - else - { - nextdie = thisdie + di.die_length; - } - curoff = thisdie - dbbase; - culength = nextdie - thisdie; - curlnoffset = di.has_at_stmt_list ? lnoffset + di.at_stmt_list : 0; - - /* First allocate a new partial symbol table structure */ - - pst = start_psymtab_common (objfile, base_section_offsets, - di.at_name, di.at_low_pc, - objfile->global_psymbols.next, - objfile->static_psymbols.next); - - pst->texthigh = di.at_high_pc; - pst->read_symtab_private = (char *) - obstack_alloc (&objfile->objfile_obstack, - sizeof (struct dwfinfo)); - DBFOFF (pst) = dbfoff; - DBROFF (pst) = curoff; - DBLENGTH (pst) = culength; - LNFOFF (pst) = curlnoffset; - pst->read_symtab = dwarf_psymtab_to_symtab; - - /* Now look for partial symbols */ - - scan_partial_symbols (thisdie + di.die_length, nextdie, objfile); - - pst->n_global_syms = objfile->global_psymbols.next - - (objfile->global_psymbols.list + pst->globals_offset); - pst->n_static_syms = objfile->static_psymbols.next - - (objfile->static_psymbols.list + pst->statics_offset); - sort_pst_symbols (pst); - /* If there is already a psymtab or symtab for a file of this name, - remove it. (If there is a symtab, more drastic things also - happen.) This happens in VxWorks. */ - free_named_symtabs (pst->filename); - } - thisdie = nextdie; - } -} - -/* - - LOCAL FUNCTION - - new_symbol -- make a symbol table entry for a new symbol - - SYNOPSIS - - static struct symbol *new_symbol (struct dieinfo *dip, - struct objfile *objfile) - - DESCRIPTION - - Given a pointer to a DWARF information entry, figure out if we need - to make a symbol table entry for it, and if so, create a new entry - and return a pointer to it. - */ - -static struct symbol * -new_symbol (struct dieinfo *dip, struct objfile *objfile) -{ - struct symbol *sym = NULL; - - if (dip->at_name != NULL) - { - sym = (struct symbol *) obstack_alloc (&objfile->objfile_obstack, - sizeof (struct symbol)); - OBJSTAT (objfile, n_syms++); - memset (sym, 0, sizeof (struct symbol)); - /* default assumptions */ - SYMBOL_DOMAIN (sym) = VAR_DOMAIN; - SYMBOL_CLASS (sym) = LOC_STATIC; - SYMBOL_TYPE (sym) = decode_die_type (dip); - - /* If this symbol is from a C++ compilation, then attempt to cache the - demangled form for future reference. This is a typical time versus - space tradeoff, that was decided in favor of time because it sped up - C++ symbol lookups by a factor of about 20. */ - - SYMBOL_LANGUAGE (sym) = cu_language; - SYMBOL_SET_NAMES (sym, dip->at_name, strlen (dip->at_name), objfile); - switch (dip->die_tag) - { - case TAG_label: - SYMBOL_VALUE_ADDRESS (sym) = dip->at_low_pc; - SYMBOL_CLASS (sym) = LOC_LABEL; - break; - case TAG_global_subroutine: - case TAG_subroutine: - SYMBOL_VALUE_ADDRESS (sym) = dip->at_low_pc; - SYMBOL_TYPE (sym) = lookup_function_type (SYMBOL_TYPE (sym)); - if (dip->at_prototyped) - TYPE_FLAGS (SYMBOL_TYPE (sym)) |= TYPE_FLAG_PROTOTYPED; - SYMBOL_CLASS (sym) = LOC_BLOCK; - if (dip->die_tag == TAG_global_subroutine) - { - add_symbol_to_list (sym, &global_symbols); - } - else - { - add_symbol_to_list (sym, list_in_scope); - } - break; - case TAG_global_variable: - if (dip->at_location != NULL) - { - SYMBOL_VALUE_ADDRESS (sym) = locval (dip); - add_symbol_to_list (sym, &global_symbols); - SYMBOL_CLASS (sym) = LOC_STATIC; - SYMBOL_VALUE (sym) += baseaddr; - } - break; - case TAG_local_variable: - if (dip->at_location != NULL) - { - int loc = locval (dip); - if (dip->optimized_out) - { - SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT; - } - else if (dip->isreg) - { - SYMBOL_CLASS (sym) = LOC_REGISTER; - } - else if (dip->offreg) - { - SYMBOL_CLASS (sym) = LOC_BASEREG; - SYMBOL_BASEREG (sym) = dip->basereg; - } - else - { - SYMBOL_CLASS (sym) = LOC_STATIC; - SYMBOL_VALUE (sym) += baseaddr; - } - if (SYMBOL_CLASS (sym) == LOC_STATIC) - { - /* LOC_STATIC address class MUST use SYMBOL_VALUE_ADDRESS, - which may store to a bigger location than SYMBOL_VALUE. */ - SYMBOL_VALUE_ADDRESS (sym) = loc; - } - else - { - SYMBOL_VALUE (sym) = loc; - } - add_symbol_to_list (sym, list_in_scope); - } - break; - case TAG_formal_parameter: - if (dip->at_location != NULL) - { - SYMBOL_VALUE (sym) = locval (dip); - } - add_symbol_to_list (sym, list_in_scope); - if (dip->isreg) - { - SYMBOL_CLASS (sym) = LOC_REGPARM; - } - else if (dip->offreg) - { - SYMBOL_CLASS (sym) = LOC_BASEREG_ARG; - SYMBOL_BASEREG (sym) = dip->basereg; - } - else - { - SYMBOL_CLASS (sym) = LOC_ARG; - } - break; - case TAG_unspecified_parameters: - /* From varargs functions; gdb doesn't seem to have any interest in - this information, so just ignore it for now. (FIXME?) */ - break; - case TAG_class_type: - case TAG_structure_type: - case TAG_union_type: - case TAG_enumeration_type: - SYMBOL_CLASS (sym) = LOC_TYPEDEF; - SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN; - add_symbol_to_list (sym, list_in_scope); - break; - case TAG_typedef: - SYMBOL_CLASS (sym) = LOC_TYPEDEF; - SYMBOL_DOMAIN (sym) = VAR_DOMAIN; - add_symbol_to_list (sym, list_in_scope); - break; - default: - /* Not a tag we recognize. Hopefully we aren't processing trash - data, but since we must specifically ignore things we don't - recognize, there is nothing else we should do at this point. */ - break; - } - } - return (sym); -} - -/* - - LOCAL FUNCTION - - synthesize_typedef -- make a symbol table entry for a "fake" typedef - - SYNOPSIS - - static void synthesize_typedef (struct dieinfo *dip, - struct objfile *objfile, - struct type *type); - - DESCRIPTION - - Given a pointer to a DWARF information entry, synthesize a typedef - for the name in the DIE, using the specified type. - - This is used for C++ class, structs, unions, and enumerations to - set up the tag name as a type. - - */ - -static void -synthesize_typedef (struct dieinfo *dip, struct objfile *objfile, - struct type *type) -{ - struct symbol *sym = NULL; - - if (dip->at_name != NULL) - { - sym = (struct symbol *) - obstack_alloc (&objfile->objfile_obstack, sizeof (struct symbol)); - OBJSTAT (objfile, n_syms++); - memset (sym, 0, sizeof (struct symbol)); - DEPRECATED_SYMBOL_NAME (sym) = create_name (dip->at_name, - &objfile->objfile_obstack); - SYMBOL_INIT_LANGUAGE_SPECIFIC (sym, cu_language); - SYMBOL_TYPE (sym) = type; - SYMBOL_CLASS (sym) = LOC_TYPEDEF; - SYMBOL_DOMAIN (sym) = VAR_DOMAIN; - add_symbol_to_list (sym, list_in_scope); - } -} - -/* - - LOCAL FUNCTION - - decode_mod_fund_type -- decode a modified fundamental type - - SYNOPSIS - - static struct type *decode_mod_fund_type (char *typedata) - - DESCRIPTION - - Decode a block of data containing a modified fundamental - type specification. TYPEDATA is a pointer to the block, - which starts with a length containing the size of the rest - of the block. At the end of the block is a fundmental type - code value that gives the fundamental type. Everything - in between are type modifiers. - - We simply compute the number of modifiers and call the general - function decode_modified_type to do the actual work. - */ - -static struct type * -decode_mod_fund_type (char *typedata) -{ - struct type *typep = NULL; - unsigned short modcount; - int nbytes; - - /* Get the total size of the block, exclusive of the size itself */ - - nbytes = attribute_size (AT_mod_fund_type); - modcount = target_to_host (typedata, nbytes, GET_UNSIGNED, current_objfile); - typedata += nbytes; - - /* Deduct the size of the fundamental type bytes at the end of the block. */ - - modcount -= attribute_size (AT_fund_type); - - /* Now do the actual decoding */ - - typep = decode_modified_type (typedata, modcount, AT_mod_fund_type); - return (typep); -} - -/* - - LOCAL FUNCTION - - decode_mod_u_d_type -- decode a modified user defined type - - SYNOPSIS - - static struct type *decode_mod_u_d_type (char *typedata) - - DESCRIPTION - - Decode a block of data containing a modified user defined - type specification. TYPEDATA is a pointer to the block, - which consists of a two byte length, containing the size - of the rest of the block. At the end of the block is a - four byte value that gives a reference to a user defined type. - Everything in between are type modifiers. - - We simply compute the number of modifiers and call the general - function decode_modified_type to do the actual work. - */ - -static struct type * -decode_mod_u_d_type (char *typedata) -{ - struct type *typep = NULL; - unsigned short modcount; - int nbytes; - - /* Get the total size of the block, exclusive of the size itself */ - - nbytes = attribute_size (AT_mod_u_d_type); - modcount = target_to_host (typedata, nbytes, GET_UNSIGNED, current_objfile); - typedata += nbytes; - - /* Deduct the size of the reference type bytes at the end of the block. */ - - modcount -= attribute_size (AT_user_def_type); - - /* Now do the actual decoding */ - - typep = decode_modified_type (typedata, modcount, AT_mod_u_d_type); - return (typep); -} - -/* - - LOCAL FUNCTION - - decode_modified_type -- decode modified user or fundamental type - - SYNOPSIS - - static struct type *decode_modified_type (char *modifiers, - unsigned short modcount, int mtype) - - DESCRIPTION - - Decode a modified type, either a modified fundamental type or - a modified user defined type. MODIFIERS is a pointer to the - block of bytes that define MODCOUNT modifiers. Immediately - following the last modifier is a short containing the fundamental - type or a long containing the reference to the user defined - type. Which one is determined by MTYPE, which is either - AT_mod_fund_type or AT_mod_u_d_type to indicate what modified - type we are generating. - - We call ourself recursively to generate each modified type,` - until MODCOUNT reaches zero, at which point we have consumed - all the modifiers and generate either the fundamental type or - user defined type. When the recursion unwinds, each modifier - is applied in turn to generate the full modified type. - - NOTES - - If we find a modifier that we don't recognize, and it is not one - of those reserved for application specific use, then we issue a - warning and simply ignore the modifier. - - BUGS - - We currently ignore MOD_const and MOD_volatile. (FIXME) - - */ - -static struct type * -decode_modified_type (char *modifiers, unsigned int modcount, int mtype) -{ - struct type *typep = NULL; - unsigned short fundtype; - DIE_REF die_ref; - char modifier; - int nbytes; - - if (modcount == 0) - { - switch (mtype) - { - case AT_mod_fund_type: - nbytes = attribute_size (AT_fund_type); - fundtype = target_to_host (modifiers, nbytes, GET_UNSIGNED, - current_objfile); - typep = decode_fund_type (fundtype); - break; - case AT_mod_u_d_type: - nbytes = attribute_size (AT_user_def_type); - die_ref = target_to_host (modifiers, nbytes, GET_UNSIGNED, - current_objfile); - typep = lookup_utype (die_ref); - if (typep == NULL) - { - typep = alloc_utype (die_ref, NULL); - } - break; - default: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", botched modified type decoding (mtype 0x%x)"), - DIE_ID, DIE_NAME, mtype); - typep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - break; - } - } - else - { - modifier = *modifiers++; - typep = decode_modified_type (modifiers, --modcount, mtype); - switch (modifier) - { - case MOD_pointer_to: - typep = lookup_pointer_type (typep); - break; - case MOD_reference_to: - typep = lookup_reference_type (typep); - break; - case MOD_const: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", type modifier 'const' ignored"), DIE_ID, - DIE_NAME); /* FIXME */ - break; - case MOD_volatile: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", type modifier 'volatile' ignored"), - DIE_ID, DIE_NAME); /* FIXME */ - break; - default: - if (!(MOD_lo_user <= (unsigned char) modifier)) -#if 0 -/* This part of the test would always be true, and it triggers a compiler - warning. */ - && (unsigned char) modifier <= MOD_hi_user)) -#endif - { - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", unknown type modifier %u"), DIE_ID, - DIE_NAME, modifier); - } - break; - } - } - return (typep); -} - -/* - - LOCAL FUNCTION - - decode_fund_type -- translate basic DWARF type to gdb base type - - DESCRIPTION - - Given an integer that is one of the fundamental DWARF types, - translate it to one of the basic internal gdb types and return - a pointer to the appropriate gdb type (a "struct type *"). - - NOTES - - For robustness, if we are asked to translate a fundamental - type that we are unprepared to deal with, we return int so - callers can always depend upon a valid type being returned, - and so gdb may at least do something reasonable by default. - If the type is not in the range of those types defined as - application specific types, we also issue a warning. - */ - -static struct type * -decode_fund_type (unsigned int fundtype) -{ - struct type *typep = NULL; - - switch (fundtype) - { - - case FT_void: - typep = dwarf_fundamental_type (current_objfile, FT_VOID); - break; - - case FT_boolean: /* Was FT_set in AT&T version */ - typep = dwarf_fundamental_type (current_objfile, FT_BOOLEAN); - break; - - case FT_pointer: /* (void *) */ - typep = dwarf_fundamental_type (current_objfile, FT_VOID); - typep = lookup_pointer_type (typep); - break; - - case FT_char: - typep = dwarf_fundamental_type (current_objfile, FT_CHAR); - break; - - case FT_signed_char: - typep = dwarf_fundamental_type (current_objfile, FT_SIGNED_CHAR); - break; - - case FT_unsigned_char: - typep = dwarf_fundamental_type (current_objfile, FT_UNSIGNED_CHAR); - break; - - case FT_short: - typep = dwarf_fundamental_type (current_objfile, FT_SHORT); - break; - - case FT_signed_short: - typep = dwarf_fundamental_type (current_objfile, FT_SIGNED_SHORT); - break; - - case FT_unsigned_short: - typep = dwarf_fundamental_type (current_objfile, FT_UNSIGNED_SHORT); - break; - - case FT_integer: - typep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - break; - - case FT_signed_integer: - typep = dwarf_fundamental_type (current_objfile, FT_SIGNED_INTEGER); - break; - - case FT_unsigned_integer: - typep = dwarf_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER); - break; - - case FT_long: - typep = dwarf_fundamental_type (current_objfile, FT_LONG); - break; - - case FT_signed_long: - typep = dwarf_fundamental_type (current_objfile, FT_SIGNED_LONG); - break; - - case FT_unsigned_long: - typep = dwarf_fundamental_type (current_objfile, FT_UNSIGNED_LONG); - break; - - case FT_long_long: - typep = dwarf_fundamental_type (current_objfile, FT_LONG_LONG); - break; - - case FT_signed_long_long: - typep = dwarf_fundamental_type (current_objfile, FT_SIGNED_LONG_LONG); - break; - - case FT_unsigned_long_long: - typep = dwarf_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG); - break; - - case FT_float: - typep = dwarf_fundamental_type (current_objfile, FT_FLOAT); - break; - - case FT_dbl_prec_float: - typep = dwarf_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT); - break; - - case FT_ext_prec_float: - typep = dwarf_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT); - break; - - case FT_complex: - typep = dwarf_fundamental_type (current_objfile, FT_COMPLEX); - break; - - case FT_dbl_prec_complex: - typep = dwarf_fundamental_type (current_objfile, FT_DBL_PREC_COMPLEX); - break; - - case FT_ext_prec_complex: - typep = dwarf_fundamental_type (current_objfile, FT_EXT_PREC_COMPLEX); - break; - - } - - if (typep == NULL) - { - typep = dwarf_fundamental_type (current_objfile, FT_INTEGER); - if (!(FT_lo_user <= fundtype && fundtype <= FT_hi_user)) - { - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", unexpected fundamental type 0x%x"), - DIE_ID, DIE_NAME, fundtype); - } - } - - return (typep); -} - -/* - - LOCAL FUNCTION - - create_name -- allocate a fresh copy of a string on an obstack - - DESCRIPTION - - Given a pointer to a string and a pointer to an obstack, allocates - a fresh copy of the string on the specified obstack. - - */ - -static char * -create_name (char *name, struct obstack *obstackp) -{ - int length; - char *newname; - - length = strlen (name) + 1; - newname = (char *) obstack_alloc (obstackp, length); - strcpy (newname, name); - return (newname); -} - -/* - - LOCAL FUNCTION - - basicdieinfo -- extract the minimal die info from raw die data - - SYNOPSIS - - void basicdieinfo (char *diep, struct dieinfo *dip, - struct objfile *objfile) - - DESCRIPTION - - Given a pointer to raw DIE data, and a pointer to an instance of a - die info structure, this function extracts the basic information - from the DIE data required to continue processing this DIE, along - with some bookkeeping information about the DIE. - - The information we absolutely must have includes the DIE tag, - and the DIE length. If we need the sibling reference, then we - will have to call completedieinfo() to process all the remaining - DIE information. - - Note that since there is no guarantee that the data is properly - aligned in memory for the type of access required (indirection - through anything other than a char pointer), and there is no - guarantee that it is in the same byte order as the gdb host, - we call a function which deals with both alignment and byte - swapping issues. Possibly inefficient, but quite portable. - - We also take care of some other basic things at this point, such - as ensuring that the instance of the die info structure starts - out completely zero'd and that curdie is initialized for use - in error reporting if we have a problem with the current die. - - NOTES - - All DIE's must have at least a valid length, thus the minimum - DIE size is SIZEOF_DIE_LENGTH. In order to have a valid tag, the - DIE size must be at least SIZEOF_DIE_TAG larger, otherwise they - are forced to be TAG_padding DIES. - - Padding DIES must be at least SIZEOF_DIE_LENGTH in length, implying - that if a padding DIE is used for alignment and the amount needed is - less than SIZEOF_DIE_LENGTH, then the padding DIE has to be big - enough to align to the next alignment boundry. - - We do some basic sanity checking here, such as verifying that the - length of the die would not cause it to overrun the recorded end of - the buffer holding the DIE info. If we find a DIE that is either - too small or too large, we force it's length to zero which should - cause the caller to take appropriate action. - */ - -static void -basicdieinfo (struct dieinfo *dip, char *diep, struct objfile *objfile) -{ - curdie = dip; - memset (dip, 0, sizeof (struct dieinfo)); - dip->die = diep; - dip->die_ref = dbroff + (diep - dbbase); - dip->die_length = target_to_host (diep, SIZEOF_DIE_LENGTH, GET_UNSIGNED, - objfile); - if ((dip->die_length < SIZEOF_DIE_LENGTH) || - ((diep + dip->die_length) > (dbbase + dbsize))) - { - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", malformed DIE, bad length (%ld bytes)"), - DIE_ID, DIE_NAME, dip->die_length); - dip->die_length = 0; - } - else if (dip->die_length < (SIZEOF_DIE_LENGTH + SIZEOF_DIE_TAG)) - { - dip->die_tag = TAG_padding; - } - else - { - diep += SIZEOF_DIE_LENGTH; - dip->die_tag = target_to_host (diep, SIZEOF_DIE_TAG, GET_UNSIGNED, - objfile); - } -} - -/* - - LOCAL FUNCTION - - completedieinfo -- finish reading the information for a given DIE - - SYNOPSIS - - void completedieinfo (struct dieinfo *dip, struct objfile *objfile) - - DESCRIPTION - - Given a pointer to an already partially initialized die info structure, - scan the raw DIE data and finish filling in the die info structure - from the various attributes found. - - Note that since there is no guarantee that the data is properly - aligned in memory for the type of access required (indirection - through anything other than a char pointer), and there is no - guarantee that it is in the same byte order as the gdb host, - we call a function which deals with both alignment and byte - swapping issues. Possibly inefficient, but quite portable. - - NOTES - - Each time we are called, we increment the diecount variable, which - keeps an approximate count of the number of dies processed for - each compilation unit. This information is presented to the user - if the info_verbose flag is set. - - */ - -static void -completedieinfo (struct dieinfo *dip, struct objfile *objfile) -{ - char *diep; /* Current pointer into raw DIE data */ - char *end; /* Terminate DIE scan here */ - unsigned short attr; /* Current attribute being scanned */ - unsigned short form; /* Form of the attribute */ - int nbytes; /* Size of next field to read */ - - diecount++; - diep = dip->die; - end = diep + dip->die_length; - diep += SIZEOF_DIE_LENGTH + SIZEOF_DIE_TAG; - while (diep < end) - { - attr = target_to_host (diep, SIZEOF_ATTRIBUTE, GET_UNSIGNED, objfile); - diep += SIZEOF_ATTRIBUTE; - nbytes = attribute_size (attr); - if (nbytes == -1) - { - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", unknown attribute length, skipped remaining attributes"), - DIE_ID, DIE_NAME); - diep = end; - continue; - } - switch (attr) - { - case AT_fund_type: - dip->at_fund_type = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_ordering: - dip->at_ordering = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_bit_offset: - dip->at_bit_offset = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_sibling: - dip->at_sibling = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_stmt_list: - dip->at_stmt_list = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - dip->has_at_stmt_list = 1; - break; - case AT_low_pc: - dip->at_low_pc = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - dip->at_low_pc += baseaddr; - dip->has_at_low_pc = 1; - break; - case AT_high_pc: - dip->at_high_pc = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - dip->at_high_pc += baseaddr; - break; - case AT_language: - dip->at_language = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_user_def_type: - dip->at_user_def_type = target_to_host (diep, nbytes, - GET_UNSIGNED, objfile); - break; - case AT_byte_size: - dip->at_byte_size = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - dip->has_at_byte_size = 1; - break; - case AT_bit_size: - dip->at_bit_size = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_member: - dip->at_member = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_discr: - dip->at_discr = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_location: - dip->at_location = diep; - break; - case AT_mod_fund_type: - dip->at_mod_fund_type = diep; - break; - case AT_subscr_data: - dip->at_subscr_data = diep; - break; - case AT_mod_u_d_type: - dip->at_mod_u_d_type = diep; - break; - case AT_element_list: - dip->at_element_list = diep; - dip->short_element_list = 0; - break; - case AT_short_element_list: - dip->at_element_list = diep; - dip->short_element_list = 1; - break; - case AT_discr_value: - dip->at_discr_value = diep; - break; - case AT_string_length: - dip->at_string_length = diep; - break; - case AT_name: - dip->at_name = diep; - break; - case AT_comp_dir: - /* For now, ignore any "hostname:" portion, since gdb doesn't - know how to deal with it. (FIXME). */ - dip->at_comp_dir = strrchr (diep, ':'); - if (dip->at_comp_dir != NULL) - { - dip->at_comp_dir++; - } - else - { - dip->at_comp_dir = diep; - } - break; - case AT_producer: - dip->at_producer = diep; - break; - case AT_start_scope: - dip->at_start_scope = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_stride_size: - dip->at_stride_size = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_src_info: - dip->at_src_info = target_to_host (diep, nbytes, GET_UNSIGNED, - objfile); - break; - case AT_prototyped: - dip->at_prototyped = diep; - break; - default: - /* Found an attribute that we are unprepared to handle. However - it is specifically one of the design goals of DWARF that - consumers should ignore unknown attributes. As long as the - form is one that we recognize (so we know how to skip it), - we can just ignore the unknown attribute. */ - break; - } - form = FORM_FROM_ATTR (attr); - switch (form) - { - case FORM_DATA2: - diep += 2; - break; - case FORM_DATA4: - case FORM_REF: - diep += 4; - break; - case FORM_DATA8: - diep += 8; - break; - case FORM_ADDR: - diep += TARGET_FT_POINTER_SIZE (objfile); - break; - case FORM_BLOCK2: - diep += 2 + target_to_host (diep, nbytes, GET_UNSIGNED, objfile); - break; - case FORM_BLOCK4: - diep += 4 + target_to_host (diep, nbytes, GET_UNSIGNED, objfile); - break; - case FORM_STRING: - diep += strlen (diep) + 1; - break; - default: - unknown_attribute_form_complaint (DIE_ID, DIE_NAME, form); - diep = end; - break; - } - } -} - -/* - - LOCAL FUNCTION - - target_to_host -- swap in target data to host - - SYNOPSIS - - target_to_host (char *from, int nbytes, int signextend, - struct objfile *objfile) - - DESCRIPTION - - Given pointer to data in target format in FROM, a byte count for - the size of the data in NBYTES, a flag indicating whether or not - the data is signed in SIGNEXTEND, and a pointer to the current - objfile in OBJFILE, convert the data to host format and return - the converted value. - - NOTES - - FIXME: If we read data that is known to be signed, and expect to - use it as signed data, then we need to explicitly sign extend the - result until the bfd library is able to do this for us. - - FIXME: Would a 32 bit target ever need an 8 byte result? - - */ - -static CORE_ADDR -target_to_host (char *from, int nbytes, int signextend, /* FIXME: Unused */ - struct objfile *objfile) -{ - CORE_ADDR rtnval; - - switch (nbytes) - { - case 8: - rtnval = bfd_get_64 (objfile->obfd, (bfd_byte *) from); - break; - case 4: - rtnval = bfd_get_32 (objfile->obfd, (bfd_byte *) from); - break; - case 2: - rtnval = bfd_get_16 (objfile->obfd, (bfd_byte *) from); - break; - case 1: - rtnval = bfd_get_8 (objfile->obfd, (bfd_byte *) from); - break; - default: - complaint (&symfile_complaints, - _("DIE @ 0x%x \"%s\", no bfd support for %d byte data object"), - DIE_ID, DIE_NAME, nbytes); - rtnval = 0; - break; - } - return (rtnval); -} - -/* - - LOCAL FUNCTION - - attribute_size -- compute size of data for a DWARF attribute - - SYNOPSIS - - static int attribute_size (unsigned int attr) - - DESCRIPTION - - Given a DWARF attribute in ATTR, compute the size of the first - piece of data associated with this attribute and return that - size. - - Returns -1 for unrecognized attributes. - - */ - -static int -attribute_size (unsigned int attr) -{ - int nbytes; /* Size of next data for this attribute */ - unsigned short form; /* Form of the attribute */ - - form = FORM_FROM_ATTR (attr); - switch (form) - { - case FORM_STRING: /* A variable length field is next */ - nbytes = 0; - break; - case FORM_DATA2: /* Next 2 byte field is the data itself */ - case FORM_BLOCK2: /* Next 2 byte field is a block length */ - nbytes = 2; - break; - case FORM_DATA4: /* Next 4 byte field is the data itself */ - case FORM_BLOCK4: /* Next 4 byte field is a block length */ - case FORM_REF: /* Next 4 byte field is a DIE offset */ - nbytes = 4; - break; - case FORM_DATA8: /* Next 8 byte field is the data itself */ - nbytes = 8; - break; - case FORM_ADDR: /* Next field size is target sizeof(void *) */ - nbytes = TARGET_FT_POINTER_SIZE (objfile); - break; - default: - unknown_attribute_form_complaint (DIE_ID, DIE_NAME, form); - nbytes = -1; - break; - } - return (nbytes); -} diff --git a/gdb/elfread.c b/gdb/elfread.c index 646b314..a80b8f0 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -44,10 +44,6 @@ extern void _initialize_elfread (void); struct elfinfo { - file_ptr dboffset; /* Offset to dwarf debug section */ - unsigned int dbsize; /* Size of dwarf debug section */ - file_ptr lnoffset; /* Offset to dwarf line number section */ - unsigned int lnsize; /* Size of dwarf line number section */ asection *stabsect; /* Section pointer for .stab section */ asection *stabindexsect; /* Section pointer for .stab.index section */ asection *mdebugsect; /* Section pointer for .mdebug section */ @@ -80,17 +76,7 @@ elf_locate_sections (bfd *ignore_abfd, asection *sectp, void *eip) struct elfinfo *ei; ei = (struct elfinfo *) eip; - if (strcmp (sectp->name, ".debug") == 0) - { - ei->dboffset = sectp->filepos; - ei->dbsize = bfd_get_section_size (sectp); - } - else if (strcmp (sectp->name, ".line") == 0) - { - ei->lnoffset = sectp->filepos; - ei->lnsize = bfd_get_section_size (sectp); - } - else if (strcmp (sectp->name, ".stab") == 0) + if (strcmp (sectp->name, ".stab") == 0) { ei->stabsect = sectp; } @@ -451,7 +437,6 @@ elf_symtab_read (struct objfile *objfile, int dynamic, We look for sections with specific names, to tell us what debug format to look for: FIXME!!! - dwarf_build_psymtabs() builds psymtabs for DWARF symbols; elfstab_build_psymtabs() handles STABS symbols; mdebug_build_psymtabs() handles ECOFF debugging information. @@ -608,14 +593,6 @@ elf_symfile_read (struct objfile *objfile, int mainline) /* DWARF 2 sections */ dwarf2_build_psymtabs (objfile, mainline); } - else if (ei.dboffset && ei.lnoffset) - { - /* DWARF sections */ - dwarf_build_psymtabs (objfile, - mainline, - ei.dboffset, ei.dbsize, - ei.lnoffset, ei.lnsize); - } /* FIXME: kettenis/20030504: This still needs to be integrated with dwarf2read.c in a better way. */ diff --git a/gdb/remote-est.c b/gdb/remote-est.c deleted file mode 100644 index 13b0e1d..0000000 --- a/gdb/remote-est.c +++ /dev/null @@ -1,186 +0,0 @@ -/* Remote debugging interface for EST-300 ICE, for GDB - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2007 - Free Software Foundation, Inc. - Contributed by Cygnus Support. - - Written by Steve Chamberlain for Cygnus Support. - Re-written by Stu Grossman of Cygnus Support - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "monitor.h" -#include "serial.h" -#include "regcache.h" - -#include "m68k-tdep.h" - -static void est_open (char *args, int from_tty); - -static void -est_supply_register (char *regname, int regnamelen, char *val, int vallen) -{ - int regno; - - if (regnamelen != 2) - return; - - switch (regname[0]) - { - case 'S': - if (regname[1] != 'R') - return; - regno = PS_REGNUM; - break; - case 'P': - if (regname[1] != 'C') - return; - regno = PC_REGNUM; - break; - case 'D': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_D0_REGNUM; - break; - case 'A': - if (regname[1] < '0' || regname[1] > '7') - return; - regno = regname[1] - '0' + M68K_A0_REGNUM; - break; - default: - return; - } - - monitor_supply_register (regno, val); -} - -/* - * This array of registers needs to match the indexes used by GDB. The - * whole reason this exists is because the various ROM monitors use - * different names than GDB does, and don't support all the - * registers either. So, typing "info reg sp" becomes a "r30". - */ - -static const char * -est_regname (int index) -{ - - static char *regnames[] = - { - "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", - "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", - "SR", "PC", - }; - - - if ((index >= (sizeof (regnames) / sizeof (regnames[0]))) - || (index < 0) || (index >= NUM_REGS)) - return NULL; - else - return regnames[index]; -} - -/* - * Define the monitor command strings. Since these are passed directly - * through to a printf style function, we need can include formatting - * strings. We also need a CR or LF on the end. - */ - -static struct target_ops est_ops; - -static char *est_inits[] = -{"he\r", /* Resets the prompt, and clears repeated cmds */ - NULL}; - -static struct monitor_ops est_cmds; - -static void -init_est_cmds (void) -{ - est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT | - MO_SREC_ACK | MO_SREC_ACK_PLUS; - est_cmds.init = est_inits; /* Init strings */ - est_cmds.cont = "go\r"; /* continue command */ - est_cmds.step = "sidr\r"; /* single step */ - est_cmds.stop = "\003"; /* ^C interrupts the program */ - est_cmds.set_break = "sb %x\r"; /* set a breakpoint */ - est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */ - est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */ - est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */ - est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */ - est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */ - est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */ - est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ - est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ - est_cmds.setmem.term = NULL; /* setreg.term */ - est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ - est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */ - est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */ - est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */ - est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ - est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ - est_cmds.getmem.term = NULL; /* getmem.term */ - est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ - est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */ - est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ - est_cmds.setreg.term = NULL; /* setreg.term */ - est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ - est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */ - est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */ - est_cmds.getreg.term = NULL; /* getreg.term */ - est_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ - est_cmds.dump_registers = "dr\r"; /* dump_registers */ - est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */ - est_cmds.supply_register = est_supply_register; - est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ - est_cmds.load = "dl\r"; /* download command */ - est_cmds.loadresp = "+"; /* load response */ - est_cmds.prompt = ">BKM>"; /* monitor command prompt */ - est_cmds.line_term = "\r"; /* end-of-line terminator */ - est_cmds.cmd_end = NULL; /* optional command terminator */ - est_cmds.target = &est_ops; /* target operations */ - est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ - est_cmds.regnames = NULL; - est_cmds.regname = est_regname; /*register names*/ - est_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ -} /* init_est_cmds */ - -static void -est_open (char *args, int from_tty) -{ - monitor_open (args, &est_cmds, from_tty); -} - -extern initialize_file_ftype _initialize_est; /* -Wmissing-prototypes */ - -void -_initialize_est (void) -{ - init_est_cmds (); - init_monitor_ops (&est_ops); - - est_ops.to_shortname = "est"; - est_ops.to_longname = "EST background debug monitor"; - est_ops.to_doc = "Debug via the EST BDM.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."; - est_ops.to_open = est_open; - - add_target (&est_ops); -} diff --git a/gdb/rom68k-rom.c b/gdb/rom68k-rom.c deleted file mode 100644 index 2b729e6..0000000 --- a/gdb/rom68k-rom.c +++ /dev/null @@ -1,264 +0,0 @@ -/* Remote target glue for the ROM68K ROM monitor. - Copyright (C) 1988, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, - 2007 Free Software Foundation, Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "monitor.h" -#include "serial.h" -#include "regcache.h" -#include "value.h" - -#include "m68k-tdep.h" - -static void rom68k_open (char *args, int from_tty); - -/* Return true if C is a hex digit. - We can't use isxdigit here: that is affected by the current locale; - ROM68K is not. */ -static int -is_hex_digit (int c) -{ - return (('0' <= c && c <= '9') - || ('a' <= c && c <= 'f') - || ('A' <= c && c <= 'F')); -} - - -/* Convert hex digit A to a number. */ -static int -hex_digit_value (int a) -{ - if (a >= '0' && a <= '9') - return a - '0'; - else if (a >= 'a' && a <= 'f') - return a - 'a' + 10; - else if (a >= 'A' && a <= 'F') - return a - 'A' + 10; - else - error (_("Invalid hex digit %d"), a); -} - - -/* Return true iff C is a whitespace character. - We can't use isspace here: that is affected by the current locale; - ROM68K is not. */ -static int -is_whitespace (int c) -{ - return (c == ' ' - || c == '\r' - || c == '\n' - || c == '\t' - || c == '\f'); -} - - -/* Parse a string of hex digits starting at HEX, supply them as the - value of register REGNO, skip any whitespace, and return a pointer - to the next character. - - There is a function in monitor.c, monitor_supply_register, which is - supposed to do this job. However, there is some rather odd stuff - in there (whitespace characters don't terminate numbers, for - example) that is incorrect for ROM68k. It's basically impossible - to safely tweak monitor_supply_register --- it's used by a zillion - other monitors; who knows what behaviors they're depending on. So - instead, we'll just use our own function, which can behave exactly - the way we want it to. */ -static char * -rom68k_supply_one_register (int regno, unsigned char *hex) -{ - ULONGEST value; - unsigned char regbuf[MAX_REGISTER_SIZE]; - - value = 0; - while (*hex != '\0') - if (is_hex_digit (*hex)) - value = (value * 16) + hex_digit_value (*hex++); - else - break; - - /* Skip any whitespace. */ - while (is_whitespace (*hex)) - hex++; - - store_unsigned_integer (regbuf, register_size (current_gdbarch, regno), value); - regcache_raw_supply (current_regcache, regno, regbuf); - - return hex; -} - - -static void -rom68k_supply_register (char *regname, int regnamelen, char *val, int vallen) -{ - int numregs; - int regno; - - numregs = 1; - regno = -1; - - if (regnamelen == 2) - switch (regname[0]) - { - case 'S': - if (regname[1] == 'R') - regno = PS_REGNUM; - break; - case 'P': - if (regname[1] == 'C') - regno = PC_REGNUM; - break; - case 'D': - if (regname[1] != 'R') - break; - regno = M68K_D0_REGNUM; - numregs = 8; - break; - case 'A': - if (regname[1] != 'R') - break; - regno = M68K_A0_REGNUM; - numregs = 7; - break; - } - else if (regnamelen == 3) - switch (regname[0]) - { - case 'I': - if (regname[1] == 'S' && regname[2] == 'P') - regno = SP_REGNUM; - } - - if (regno >= 0) - while (numregs-- > 0) - val = rom68k_supply_one_register (regno++, val); -} - -/* This array of registers need to match the indexes used by GDB. - This exists because the various ROM monitors use different strings - than does GDB, and don't necessarily support all the registers - either. So, typing "info reg sp" becomes a "r30". */ - -static const char * -rom68k_regname (int index) -{ - - static char *regnames[] = - { - "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", - "A0", "A1", "A2", "A3", "A4", "A5", "A6", "ISP", - "SR", "PC" - }; - - if ((index >= (sizeof (regnames) / sizeof(regnames[0]))) - || (index < 0) || (index >= NUM_REGS)) - return NULL; - else - return regnames[index]; - -} - -/* Define the monitor command strings. Since these are passed directly - through to a printf style function, we may include formatting - strings. We also need a CR or LF on the end. */ - -static struct target_ops rom68k_ops; - -static char *rom68k_inits[] = -{".\r\r", NULL}; /* Exits pm/pr & download cmds */ - -static struct monitor_ops rom68k_cmds; - -static void -init_rom68k_cmds (void) -{ - rom68k_cmds.flags = MO_PRINT_PROGRAM_OUTPUT; - rom68k_cmds.init = rom68k_inits; /* monitor init string */ - rom68k_cmds.cont = "go\r"; - rom68k_cmds.step = "st\r"; - rom68k_cmds.stop = NULL; - rom68k_cmds.set_break = "db %x\r"; - rom68k_cmds.clr_break = "cb %x\r"; - rom68k_cmds.clr_all_break = "cb *\r"; - rom68k_cmds.fill = "fm %x %x %x\r"; - rom68k_cmds.setmem.cmdb = "pm %x %x\r"; - rom68k_cmds.setmem.cmdw = "pm.w %x %x\r"; - rom68k_cmds.setmem.cmdl = "pm.l %x %x\r"; - rom68k_cmds.setmem.cmdll = NULL; - rom68k_cmds.setmem.resp_delim = NULL; - rom68k_cmds.setmem.term = NULL; - rom68k_cmds.setmem.term_cmd = NULL; - rom68k_cmds.getmem.cmdb = "dm %x %x\r"; - rom68k_cmds.getmem.cmdw = "dm.w %x %x\r"; - rom68k_cmds.getmem.cmdl = "dm.l %x %x\r"; - rom68k_cmds.getmem.cmdll = NULL; - rom68k_cmds.getmem.resp_delim = " "; - rom68k_cmds.getmem.term = NULL; - rom68k_cmds.getmem.term_cmd = NULL; - rom68k_cmds.setreg.cmd = "pr %s %x\r"; - rom68k_cmds.setreg.resp_delim = NULL; - rom68k_cmds.setreg.term = NULL; - rom68k_cmds.setreg.term_cmd = NULL; - rom68k_cmds.getreg.cmd = "pr %s\r"; - rom68k_cmds.getreg.resp_delim = ": "; - rom68k_cmds.getreg.term = "= "; - rom68k_cmds.getreg.term_cmd = ".\r"; - rom68k_cmds.dump_registers = "dr\r"; - rom68k_cmds.register_pattern = - "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)"; - rom68k_cmds.supply_register = rom68k_supply_register; - rom68k_cmds.load_routine = NULL; - rom68k_cmds.load = "dc\r"; - rom68k_cmds.loadresp = "Waiting for S-records from host... "; - rom68k_cmds.prompt = "ROM68K :-> "; - rom68k_cmds.line_term = "\r"; - rom68k_cmds.cmd_end = ".\r"; - rom68k_cmds.target = &rom68k_ops; - rom68k_cmds.stopbits = SERIAL_1_STOPBITS; - rom68k_cmds.regnames = NULL; - rom68k_cmds.regname = rom68k_regname; - rom68k_cmds.magic = MONITOR_OPS_MAGIC; -} /* init_rom68k_cmds */ - -static void -rom68k_open (char *args, int from_tty) -{ - monitor_open (args, &rom68k_cmds, from_tty); -} - -extern initialize_file_ftype _initialize_rom68k; /* -Wmissing-prototypes */ - -void -_initialize_rom68k (void) -{ - init_rom68k_cmds (); - init_monitor_ops (&rom68k_ops); - - rom68k_ops.to_shortname = "rom68k"; - rom68k_ops.to_longname = "Rom68k debug monitor for the IDP Eval board"; - rom68k_ops.to_doc = "Debug on a Motorola IDP eval board running the ROM68K monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya)."; - rom68k_ops.to_open = rom68k_open; - - add_target (&rom68k_ops); -} diff --git a/gdb/symfile.h b/gdb/symfile.h index 2737191..baf61be 100644 --- a/gdb/symfile.h +++ b/gdb/symfile.h @@ -318,11 +318,6 @@ extern void symbol_file_clear (int from_tty); extern bfd_byte *symfile_relocate_debug_section (bfd *abfd, asection *sectp, bfd_byte * buf); -/* From dwarfread.c */ - -extern void dwarf_build_psymtabs (struct objfile *, int, file_ptr, - unsigned int, file_ptr, unsigned int); - /* From dwarf2read.c */ extern int dwarf2_has_info (struct objfile *); diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 74d754d..d8fa977 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * gdb.asm/asm-source.exp: Remove d10v case. + * lib/gdb.exp (skip_cplus_tests): Likewise. + * gdb.asm/d10v.inc: Deleted. + +2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> + * gdb.base/infnan.c, gdb.base/infnan.exp: New files. 2007-03-30 Daniel Jacobowitz <dan@codesourcery.com> diff --git a/gdb/testsuite/gdb.asm/asm-source.exp b/gdb/testsuite/gdb.asm/asm-source.exp index 4c6319c..85d8234 100644 --- a/gdb/testsuite/gdb.asm/asm-source.exp +++ b/gdb/testsuite/gdb.asm/asm-source.exp @@ -52,9 +52,6 @@ switch -glob -- [istarget] { "xscale-*-*" { set asm-arch arm } - "d10v-*-*" { - set asm-arch d10v - } "frv-*-*" { set asm-arch frv } diff --git a/gdb/testsuite/gdb.asm/d10v.inc b/gdb/testsuite/gdb.asm/d10v.inc deleted file mode 100644 index bd9463f..0000000 --- a/gdb/testsuite/gdb.asm/d10v.inc +++ /dev/null @@ -1,55 +0,0 @@ - comment "subroutine prologue" - .macro gdbasm_enter - st r11,@-sp - st r13,@-sp - mv r11,sp - .endm - - comment "subroutine epilogue" - .macro gdbasm_leave - add3 sp,r11,0 - ld r13,@sp+ - ld r11,@sp+ - jmp r13 - .endm - - .macro gdbasm_call subr - bl \subr - .endm - - .macro gdbasm_several_nops - nop - nop - nop - nop - .endm - - comment "exit (0)" - .macro gdbasm_exit0 - ldi r4, 1 - ldi r0, 0 - trap 15 - .endm - - comment "crt0 startup" - .macro gdbasm_startup -; R14 always contains memory base address (0) - - ldi r14,0 - -; Set the USER and SYSTEM stack pointers. - - ldi r0, 0 ; zero arguments - ldi r1, 0 - mvtc r0, psw ; select SPI and set it - ldi sp, _stack - ldi r10, 0x8000 ; select SPU/FP and set it - mvtc r10, psw || ldi r11, 0; clear stack frame - ldi sp, _stack - 0x200 - ldi r13, 0 - - st r11, @-sp - st r13, @-sp -; mv r11, sp - - .endm diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 4cf763d..5493a5c 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -1191,9 +1191,6 @@ proc default_gdb_start { } { # test C++. proc skip_cplus_tests {} { - if { [istarget "d10v-*-*"] } { - return 1 - } if { [istarget "h8300-*-*"] } { return 1 } |