diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 35 | ||||
| -rw-r--r-- | gdb/Makefile.in | 11 | ||||
| -rw-r--r-- | gdb/NEWS | 1 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsd.mt | 4 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsd64.mh | 3 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsd64.mt | 4 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsdaout.mh | 4 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsdaout.mt | 3 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsdelf.mh | 4 | ||||
| -rw-r--r-- | gdb/config/sparc/nbsdelf.mt | 3 | ||||
| -rw-r--r-- | gdb/config/sparc/nm-nbsd.h | 28 | ||||
| -rw-r--r-- | gdb/config/sparc/tm-nbsd.h | 5 | ||||
| -rw-r--r-- | gdb/config/sparc/tm-nbsd64.h (renamed from gdb/config/sparc/xm-nbsd.h) | 13 | ||||
| -rw-r--r-- | gdb/configure.host | 1 | ||||
| -rw-r--r-- | gdb/configure.tgt | 4 | ||||
| -rw-r--r-- | gdb/sparc64nbsd-nat.c | 207 | ||||
| -rw-r--r-- | gdb/sparcnbsd-nat.c | 154 | ||||
| -rw-r--r-- | gdb/sparcnbsd-tdep.c | 531 | ||||
| -rw-r--r-- | gdb/sparcnbsd-tdep.h (renamed from gdb/config/sparc/tm-nbsdaout.h) | 22 |
19 files changed, 982 insertions, 55 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 7af9b80..0be6082 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,40 @@ 2002-05-30 Jason Thorpe <thorpej@wasabisystems.com> + * Makefile.in (ALLDEPFILES): Add sparc64nbsd-nat.c, + sparcnbsd-nat.c, and sparcnbsd-tdep.c. + (sparc64nbsd-nat.o) + (sparcnbsd-nat.o) + (sparcnbsd-tdep.o): New dependency lists. + * NEWS: Note new UltraSPARC NetBSD native configuration. + * configure.host (sparc64-*-netbsd*): New host. + * configure.tgt (sparc-*-netbsdelf*) + (sparc-*-netbsd*): Set gdb_target to nbsd. + (sparc64-*-netbsd*): New target. + * sparc64nbsd-nat.c: New file. + * sparcnbsd-nat.c: New file. + * sparcnbsd-tdep.c: New file. + * sparcnbsd-tdep.h: New file. + * config/sparc/nbsd.mt: New file. + * config/sparc/nbsd64.mh: New file. + * config/sparc/nbsd64.mt: New file. + * config/sparc/nbsdaout.mh (NATDEPFILES): Remove corelow.o, + sparc-nat.o, and solib.o. Add sparcnbsd-nat.o. + (HOST_IPC): Remove. + * config/sparc/nbsdaout.mt: Remove. + * config/sparc/nbsdelf.mh (NATDEPFILES): Remove corelow.o, + sparc-nat.o, and solib.o. Add sparcnbsd-nat.o. + (HOST_IPC): Remove. + * config/sparc/nbsdelf.mt: Remove. + * config/sparc/nm-nbsd.h: Update copyright years. Remove all + sparc-nat.c compatiblity defines. + * config/sparc/tm-nbsd.h: Update copyright years. Include solib.h. + (GDB_MULTI_ARCH): Set to GDB_MULTI_ARCH_PARTIAL. + * config/sparc/tm-nbsd64.h: New file. + * config/sparc/tm-nbsdaout.h: Remove. + * config/sparc/xm-nbsd.h: Remove. + +2002-05-30 Jason Thorpe <thorpej@wasabisystems.com> + * Makefile.in (sparc-tdep.o): Add osabi.h to dependency list. * sparc-tdep.c: Include osabi.h. (gdbarch_tdep): Add osabi member. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 8658b6a..1919422 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1241,6 +1241,7 @@ ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \ sh-tdep.c shnbsd-tdep.c shnbsd-nat.c \ solib.c solib-svr4.c solib-sunos.c sparc-linux-nat.c \ sparc-nat.c \ + sparc64nbsd-nat.c sparcnbsd-nat.c sparcnbsd-tdep.c \ sparc-tdep.c sparcl-tdep.c sun3-nat.c \ symm-tdep.c symm-nat.c \ vax-tdep.c \ @@ -2128,6 +2129,16 @@ sparc-tdep.o: sparc-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \ sparcl-tdep.o: sparcl-tdep.c $(defs_h) $(gdbcore_h) $(target_h) $(regcache_h) +sparc64nbsd-nat.o: sparc64nbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \ + sparcnbsd-tdep.h + +sparcnbsd-nat.o: sparcnbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \ + sparcnbsd-tdep.h + +sparcnbsd-tdep.o: sparcnbsd-tdep.c $(defs_h) $(gdbcore_h) $(regcache_h) \ + $(target_h) $(value_h) osabi.h sparcnbsd-tdep.h nbsd-tdep.h \ + solib-svr4.h + xstormy16-tdep.o: xstormy16-tdep.c $(defs_h) $(value_h) $(inferior_h) \ $(symfile_h) $(arch_utils_h) $(regcache_h) $(gdbcore_h) @@ -41,6 +41,7 @@ Atmel AVR avr*-*-* Alpha NetBSD alpha*-*-netbsd* SH NetBSD sh*-*-netbsdelf* MIPS NetBSD mips*-*-netbsd* +UltraSPARC NetBSD sparc64-*-netbsd* * OBSOLETE configurations and files diff --git a/gdb/config/sparc/nbsd.mt b/gdb/config/sparc/nbsd.mt new file mode 100644 index 0000000..b04dd42 --- /dev/null +++ b/gdb/config/sparc/nbsd.mt @@ -0,0 +1,4 @@ +# Target: SPARC running NetBSD +TDEPFILES= sparc-tdep.o sparcnbsd-tdep.o nbsd-tdep.o corelow.o solib.o \ + solib-svr4.o +TM_FILE= tm-nbsd.h diff --git a/gdb/config/sparc/nbsd64.mh b/gdb/config/sparc/nbsd64.mh new file mode 100644 index 0000000..eb54e48 --- /dev/null +++ b/gdb/config/sparc/nbsd64.mh @@ -0,0 +1,3 @@ +# Host: UltraSPARC running NetBSD +NATDEPFILES= fork-child.o infptrace.o inftarg.o sparc64nbsd-nat.o +NAT_FILE= nm-nbsd.h diff --git a/gdb/config/sparc/nbsd64.mt b/gdb/config/sparc/nbsd64.mt new file mode 100644 index 0000000..93b8f78 --- /dev/null +++ b/gdb/config/sparc/nbsd64.mt @@ -0,0 +1,4 @@ +# Target: UltraSPARC running NetBSD +TDEPFILES= sparc-tdep.o sparcnbsd-tdep.o nbsd-tdep.o corelow.o solib.o \ + solib-svr4.o +TM_FILE= tm-nbsd64.h diff --git a/gdb/config/sparc/nbsdaout.mh b/gdb/config/sparc/nbsdaout.mh index ecb69e4..4520899 100644 --- a/gdb/config/sparc/nbsdaout.mh +++ b/gdb/config/sparc/nbsdaout.mh @@ -1,6 +1,4 @@ # Host: Sun 4 or Sparcstation, running NetBSD -NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o sparc-nat.o \ - solib.o solib-sunos.o +NATDEPFILES= fork-child.o infptrace.o inftarg.o sparcnbsd-nat.o solib-sunos.o XM_FILE= xm-nbsd.h NAT_FILE= nm-nbsdaout.h -HOST_IPC=-DBSD_IPC diff --git a/gdb/config/sparc/nbsdaout.mt b/gdb/config/sparc/nbsdaout.mt deleted file mode 100644 index c603f36..0000000 --- a/gdb/config/sparc/nbsdaout.mt +++ /dev/null @@ -1,3 +0,0 @@ -# Target: Sun 4 or Sparcstation, running NetBSD -TDEPFILES= sparc-tdep.o -TM_FILE= tm-nbsdaout.h diff --git a/gdb/config/sparc/nbsdelf.mh b/gdb/config/sparc/nbsdelf.mh index 8581c1b..1042d91 100644 --- a/gdb/config/sparc/nbsdelf.mh +++ b/gdb/config/sparc/nbsdelf.mh @@ -1,6 +1,4 @@ # Host: Sun 4 or Sparcstation, running NetBSD -NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o sparc-nat.o \ - solib.o solib-svr4.o solib-legacy.o +NATDEPFILES= fork-child.o infptrace.o inftarg.o sparcnbsd-nat.o XM_FILE= xm-nbsd.h NAT_FILE= nm-nbsd.h -HOST_IPC=-DBSD_IPC diff --git a/gdb/config/sparc/nbsdelf.mt b/gdb/config/sparc/nbsdelf.mt deleted file mode 100644 index 5c89318..0000000 --- a/gdb/config/sparc/nbsdelf.mt +++ /dev/null @@ -1,3 +0,0 @@ -# Target: Sun 4 or Sparcstation, running NetBSD -TDEPFILES= sparc-tdep.o -TM_FILE= tm-nbsd.h diff --git a/gdb/config/sparc/nm-nbsd.h b/gdb/config/sparc/nm-nbsd.h index 653be85..957a34e 100644 --- a/gdb/config/sparc/nm-nbsd.h +++ b/gdb/config/sparc/nm-nbsd.h @@ -1,5 +1,5 @@ /* Native-dependent definitions for Sparc running NetBSD, for GDB. - Copyright 1986, 1987, 1989, 1992, 1994, 1996, 1999, 2000 + Copyright 1986, 1987, 1989, 1992, 1994, 1996, 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -32,30 +32,4 @@ #define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) -/* Make things match up with what is expected in sparc-nat.c. */ - -#define regs trapframe -#define fp_status fpstate - -#define r_g1 tf_global[1] -#define r_ps tf_psr -#define r_pc tf_pc -#define r_npc tf_npc -#define r_y tf_y - -#define fpu fpstate -#define fpu_regs fs_regs -#define fpu_fsr fs_fsr -#define fpu_fr fs_regs -#define Fpu_fsr fs_fsr -#define FPU_FSR_TYPE int - -#define PTRACE_GETREGS PT_GETREGS -#define PTRACE_GETFPREGS PT_GETFPREGS -#define PTRACE_SETREGS PT_SETREGS -#define PTRACE_SETFPREGS PT_SETFPREGS - -#define GDB_GREGSET_T struct reg -#define GDB_FPREGSET_T struct fpreg - #endif /* NM_NBSD_H */ diff --git a/gdb/config/sparc/tm-nbsd.h b/gdb/config/sparc/tm-nbsd.h index 289e705..bd98450 100644 --- a/gdb/config/sparc/tm-nbsd.h +++ b/gdb/config/sparc/tm-nbsd.h @@ -1,5 +1,5 @@ /* Macro definitions for Sparc running under NetBSD. - Copyright 1994 Free Software Foundation, Inc. + Copyright 1994, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -21,6 +21,9 @@ #ifndef TM_NBSD_H #define TM_NBSD_H +#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL + #include "sparc/tm-sparc.h" +#include "solib.h" #endif /* TM_NBSD_H */ diff --git a/gdb/config/sparc/xm-nbsd.h b/gdb/config/sparc/tm-nbsd64.h index e469aab..cc1d6b3 100644 --- a/gdb/config/sparc/xm-nbsd.h +++ b/gdb/config/sparc/tm-nbsd64.h @@ -1,5 +1,5 @@ -/* Parameters for execution on a Sparc running NetBSD, for GDB. - Copyright 1994 Free Software Foundation, Inc. +/* Macro definitions for UltraSPARC running under NetBSD. + Copyright 1994, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -18,5 +18,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* Get generic NetBSD host definitions. */ -#include "xm-nbsd.h" +#ifndef TM_NBSD64_H +#define TM_NBSD64_H + +#include "sparc/tm-sp64.h" /* sets GDB_MULTI_ARCH */ +#include "solib.h" + +#endif /* TM_NBSD64_H */ diff --git a/gdb/configure.host b/gdb/configure.host index 16f6a52..4256db3 100644 --- a/gdb/configure.host +++ b/gdb/configure.host @@ -153,6 +153,7 @@ sparc-*-*) gdb_host=sun4os4 ;; sparc64-*-freebsd*|ultrasparc-*-freebsd*|sparcv9-*-freebsd*) gdb_host=fbsd ;; sparc64-*-linux*) gdb_host=linux ;; +sparc64-*-netbsd*) gdb_host=nbsd64 ;; sparcv9-*-* | sparc64-*-*) gdb_host=sun4sol2 ;; strongarm-*-*) gdb_host=arm ;; diff --git a/gdb/configure.tgt b/gdb/configure.tgt index 8861967..129fa49 100644 --- a/gdb/configure.tgt +++ b/gdb/configure.tgt @@ -259,8 +259,7 @@ sparc-*-coff*) gdb_target=sparc-em ;; sparc-*-elf*) gdb_target=sparc-em ;; sparc-*-linux*) gdb_target=linux ;; sparc-*-lynxos*) gdb_target=sparclynx ;; -sparc-*-netbsdelf*) gdb_target=nbsdelf ;; -sparc-*-netbsd*) gdb_target=nbsdaout ;; +sparc-*-netbsd*) gdb_target=nbsd ;; sparc-*-solaris2*) gdb_target=sun4sol2 ;; sparc-*-sunos4*) gdb_target=sun4os4 ;; sparc-*-sunos5*) gdb_target=sun4sol2 ;; @@ -278,6 +277,7 @@ sparc86x-*-*) gdb_target=sparclite ;; sparc64-*-freebsd*|ultrasparc-*-freebsd*|sparcv9-*-freebsd*) gdb_target=fbsd ;; sparc64-*-linux*) gdb_target=sp64linux ;; +sparc64-*-netbsd*) gdb_target=nbsd64 ;; sparcv9-*-* | sparc64-*-*) gdb_target=sp64 ;; xstormy16-*-*) gdb_target=xstormy16 ;; diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c new file mode 100644 index 0000000..a991d0e --- /dev/null +++ b/gdb/sparc64nbsd-nat.c @@ -0,0 +1,207 @@ +/* Native-dependent code for UltraSPARC systems running NetBSD. + Copyright 2002 Free Software Foundation, Inc. + Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "defs.h" +#include "inferior.h" +#include "regcache.h" + +#include "sparcnbsd-tdep.h" + +#include <sys/types.h> +#include <sys/ptrace.h> +#include <machine/reg.h> + +/* NOTE: We don't bother with any of the deferred_store nonsense; it + makes things a lot more complicated than they need to be. */ + +/* Determine if PT_GETREGS fetches this register. */ +static int +getregs_supplies (int regno) +{ + /* FIXME: PS_REGNUM for 32-bit code. */ + return (regno == TSTATE_REGNUM + || regno == PC_REGNUM + || regno == NPC_REGNUM + || regno == Y_REGNUM + || (regno >= G0_REGNUM && regno <= G7_REGNUM) + || (regno >= O0_REGNUM && regno <= O7_REGNUM) + /* stack regs (handled by sparcnbsd_supply_reg) */ + || (regno >= L0_REGNUM && regno <= I7_REGNUM)); +} + +/* Determine if PT_GETFPREGS fetches this register. */ +static int +getfpregs_supplies (int regno) +{ + return ((regno >= FP0_REGNUM && regno <= (FP0_REGNUM + 47)) + || regno == FPS_REGNUM); +} + +void +fetch_inferior_registers (int regno) +{ + /* We don't use deferred stores. */ + if (deferred_stores) + internal_error (__FILE__, __LINE__, + "fetch_inferior_registers: deferred stores pending"); + + if (regno == -1 || getregs_supplies (regno)) + { + union { + struct reg32 regs32; + struct reg64 regs64; + } regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_supply_reg32 ((char *) ®s.regs32, regno); + else + sparcnbsd_supply_reg64 ((char *) ®s.regs64, regno); + if (regno != -1) + return; + } + + if (regno == -1 || getfpregs_supplies (regno)) + { + union { + struct fpreg32 fpregs32; + struct fpreg64 fpregs64; + } fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't get floating point registers"); + + if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_supply_fpreg32 ((char *) &fpregs.fpregs32, regno); + else + sparcnbsd_supply_fpreg64 ((char *) &fpregs.fpregs64, regno); + if (regno != -1) + return; + } +} + +void +store_inferior_registers (int regno) +{ + /* We don't use deferred stores. */ + if (deferred_stores) + internal_error (__FILE__, __LINE__, + "store_inferior_registers: deferred stores pending"); + + if (regno == -1 || getregs_supplies (regno)) + { + union { + struct reg32 regs32; + struct reg64 regs64; + } regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_fill_reg32 ((char *) ®s.regs32, regno); + else + sparcnbsd_fill_reg64 ((char *) ®s.regs64, regno); + + if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't write registers"); + + /* Deal with the stack regs. */ + if (regno == -1 || regno == SP_REGNUM + || (regno >= L0_REGNUM && regno <= I7_REGNUM)) + { + CORE_ADDR sp = read_register (SP_REGNUM); + int i; + char buf[8]; + + if (sp & 1) + { + /* Registers are 64-bit. */ + sp += 2047; + + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == -1 || regno == SP_REGNUM || regno == i) + { + regcache_collect (i, buf); + target_write_memory (sp + ((i - L0_REGNUM) * 8), + buf, sizeof (buf)); + } + } + } + else + { + /* Registers are 32-bit. Toss any sign-extension of the stack + pointer. + + FIXME: We don't currently handle 32-bit code in a binary + that indicated LP64. Do we have to care about that? */ + if (gdbarch_ptr_bit (current_gdbarch) != 32) + internal_error + (__FILE__, __LINE__, + "store_inferior_registers: 32-bit code in 64-bit inferior"); + + sp &= 0xffffffffUL; + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == -1 || regno == SP_REGNUM || regno == i) + { + regcache_collect (i, buf); + target_write_memory (sp + ((i - L0_REGNUM) * 4), buf, 4); + } + } + } + } + + if (regno != -1) + return; + } + + if (regno == -1 || getfpregs_supplies (regno)) + { + union { + struct fpreg32 fpregs32; + struct fpreg64 fpregs64; + } fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't get floating point registers"); + + if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_fill_fpreg32 ((char *) &fpregs.fpregs32, regno); + else + sparcnbsd_fill_fpreg64 ((char *) &fpregs.fpregs64, regno); + + if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't write floating point registers"); + + if (regno != -1) + return; + } +} diff --git a/gdb/sparcnbsd-nat.c b/gdb/sparcnbsd-nat.c new file mode 100644 index 0000000..ce5d44d --- /dev/null +++ b/gdb/sparcnbsd-nat.c @@ -0,0 +1,154 @@ +/* Native-dependent code for SPARC systems running NetBSD. + Copyright 2002 Free Software Foundation, Inc. + Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "defs.h" +#include "inferior.h" +#include "regcache.h" + +#include "sparcnbsd-tdep.h" + +#include <sys/types.h> +#include <sys/ptrace.h> +#include <machine/reg.h> + +/* NOTE: We don't bother with any of the deferred_store nonsense; it + makes things a lot more complicated than they need to be. */ + +/* Determine if PT_GETREGS fetches this register. */ +static int +getregs_supplies (int regno) +{ + return (regno == PS_REGNUM + || regno == PC_REGNUM + || regno == NPC_REGNUM + || regno == Y_REGNUM + || (regno >= G0_REGNUM && regno <= G7_REGNUM) + || (regno >= O0_REGNUM && regno <= O7_REGNUM) + /* stack regs (handled by sparcnbsd_supply_reg) */ + || (regno >= L0_REGNUM && regno <= I7_REGNUM)); +} + +/* Determine if PT_GETFPREGS fetches this register. */ +static int +getfpregs_supplies (int regno) +{ + return ((regno >= FP0_REGNUM && regno <= (FP0_REGNUM + 31)) + || regno == FPS_REGNUM); +} + +void +fetch_inferior_registers (int regno) +{ + /* We don't use deferred stores. */ + if (deferred_stores) + internal_error (__FILE__, __LINE__, + "fetch_inferior_registers: deferred stores pending"); + + if (regno == -1 || getregs_supplies (regno)) + { + struct reg regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + sparcnbsd_supply_reg32 ((char *) ®s, regno); + if (regno != -1) + return; + } + + if (regno == -1 || getfpregs_supplies (regno)) + { + struct fpreg fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't get floating point registers"); + + sparcnbsd_supply_fpreg32 ((char *) &fpregs, regno); + if (regno != -1) + return; + } +} + +void +store_inferior_registers (int regno) +{ + /* We don't use deferred stores. */ + if (deferred_stores) + internal_error (__FILE__, __LINE__, + "store_inferior_registers: deferred stores pending"); + + if (regno == -1 || getregs_supplies (regno)) + { + struct reg regs; + + if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't get registers"); + + sparcnbsd_fill_reg32 ((char *) ®s, regno); + + if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) ®s, 0) == -1) + perror_with_name ("Couldn't write registers"); + + /* Deal with the stack regs. */ + if (regno == -1 || regno == SP_REGNUM + || (regno >= L0_REGNUM && regno <= I7_REGNUM)) + { + CORE_ADDR sp = read_register (SP_REGNUM); + int i; + char buf[4]; + + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == -1 || regno == SP_REGNUM || regno == i) + { + regcache_collect (i, buf); + target_write_memory (sp + ((i - L0_REGNUM) * 4), + buf, sizeof (buf)); + } + } + } + + if (regno != -1) + return; + } + + if (regno == -1 || getfpregs_supplies (regno)) + { + struct fpreg fpregs; + + if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't get floating point registers"); + + sparcnbsd_fill_fpreg32 ((char *) &fpregs, regno); + + if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), + (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) + perror_with_name ("Couldn't write floating point registers"); + + if (regno != -1) + return; + } +} diff --git a/gdb/sparcnbsd-tdep.c b/gdb/sparcnbsd-tdep.c new file mode 100644 index 0000000..ea70e51 --- /dev/null +++ b/gdb/sparcnbsd-tdep.c @@ -0,0 +1,531 @@ +/* Target-dependent code for SPARC systems running NetBSD. + Copyright 2002 Free Software Foundation, Inc. + Contributed by Wasabi Systems, 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "defs.h" +#include "gdbcore.h" +#include "regcache.h" +#include "target.h" +#include "value.h" +#include "osabi.h" + +#include "sparcnbsd-tdep.h" +#include "nbsd-tdep.h" + +#include "solib-svr4.h" + +#define REG32_OFFSET_PSR (0 * 4) +#define REG32_OFFSET_PC (1 * 4) +#define REG32_OFFSET_NPC (2 * 4) +#define REG32_OFFSET_Y (3 * 4) +#define REG32_OFFSET_GLOBAL (4 * 4) +#define REG32_OFFSET_OUT (12 * 4) + +#define REG64_OFFSET_TSTATE (0 * 8) +#define REG64_OFFSET_PC (1 * 8) +#define REG64_OFFSET_NPC (2 * 8) +#define REG64_OFFSET_Y (3 * 8) +#define REG64_OFFSET_GLOBAL (4 * 8) +#define REG64_OFFSET_OUT (12 * 8) + +void +sparcnbsd_supply_reg32 (char *regs, int regno) +{ + int i; + + if (regno == PS_REGNUM || regno == -1) + supply_register (PS_REGNUM, regs + REG32_OFFSET_PSR); + + if (regno == PC_REGNUM || regno == -1) + supply_register (PC_REGNUM, regs + REG32_OFFSET_PC); + + if (regno == NPC_REGNUM || regno == -1) + supply_register (NPC_REGNUM, regs + REG32_OFFSET_NPC); + + if (regno == Y_REGNUM || regno == -1) + supply_register (Y_REGNUM, regs + REG32_OFFSET_Y); + + if ((regno >= G0_REGNUM && regno <= G7_REGNUM) || regno == -1) + { + if (regno == G0_REGNUM || regno == -1) + supply_register (G0_REGNUM, NULL); /* %g0 is always zero */ + for (i = G1_REGNUM; i <= G7_REGNUM; i++) + { + if (regno == i || regno == -1) + supply_register (i, regs + REG32_OFFSET_GLOBAL + + ((i - G0_REGNUM) * 4)); + } + } + + if ((regno >= O0_REGNUM && regno <= O7_REGNUM) || regno == -1) + { + for (i = O0_REGNUM; i <= O7_REGNUM; i++) + { + if (regno == i || regno == -1) + supply_register (i, regs + REG32_OFFSET_OUT + + ((i - O0_REGNUM) * 4)); + } + } + + /* Inputs and Locals are stored onto the stack by by the kernel. */ + if ((regno >= L0_REGNUM && regno <= I7_REGNUM) || regno == -1) + { + CORE_ADDR sp = read_register (SP_REGNUM); + char buf[4]; + + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == i || regno == -1) + { + target_read_memory (sp + ((i - L0_REGNUM) * 4), + buf, sizeof (buf)); + supply_register (i, buf); + } + } + } + + /* FIXME: If we don't set these valid, read_register_bytes() rereads + all the regs every time it is called! */ + if (regno == WIM_REGNUM || regno == -1) + supply_register (WIM_REGNUM, NULL); + if (regno == TBR_REGNUM || regno == -1) + supply_register (TBR_REGNUM, NULL); + if (regno == CPS_REGNUM || regno == -1) + supply_register (CPS_REGNUM, NULL); +} + +void +sparcnbsd_supply_reg64 (char *regs, int regno) +{ + int i; + char buf[8]; + + if (regno == TSTATE_REGNUM || regno == -1) + supply_register (PS_REGNUM, regs + REG64_OFFSET_TSTATE); + + if (regno == PC_REGNUM || regno == -1) + supply_register (PC_REGNUM, regs + REG64_OFFSET_PC); + + if (regno == NPC_REGNUM || regno == -1) + supply_register (NPC_REGNUM, regs + REG64_OFFSET_NPC); + + if (regno == Y_REGNUM || regno == -1) + { + memset (buf, 0, sizeof (buf)); + memcpy (&buf[4], regs + REG64_OFFSET_Y, 4); + supply_register (Y_REGNUM, buf); + } + + if ((regno >= G0_REGNUM && regno <= G7_REGNUM) || regno == -1) + { + if (regno == G0_REGNUM || regno == -1) + supply_register (G0_REGNUM, NULL); /* %g0 is always zero */ + for (i = G1_REGNUM; i <= G7_REGNUM; i++) + { + if (regno == i || regno == -1) + supply_register (i, regs + REG64_OFFSET_GLOBAL + + ((i - G0_REGNUM) * 8)); + } + } + + if ((regno >= O0_REGNUM && regno <= O7_REGNUM) || regno == -1) + { + for (i = O0_REGNUM; i <= O7_REGNUM; i++) + { + if (regno == i || regno == -1) + supply_register (i, regs + REG64_OFFSET_OUT + + ((i - O0_REGNUM) * 8)); + } + } + + /* Inputs and Locals are stored onto the stack by by the kernel. */ + if ((regno >= L0_REGNUM && regno <= I7_REGNUM) || regno == -1) + { + CORE_ADDR sp = read_register (SP_REGNUM); + char buf[8]; + + if (sp & 1) + { + /* Registers are 64-bit. */ + sp += 2047; + + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == i || regno == -1) + { + target_read_memory (sp + ((i - L0_REGNUM) * 8), + buf, sizeof (buf)); + supply_register (i, buf); + } + } + } + else + { + /* Registers are 32-bit. Toss any sign-extension of the stack + pointer, clear out the top half of the temporary buffer, and + put the register value in the bottom half. */ + + sp &= 0xffffffffUL; + memset (buf, 0, sizeof (buf)); + for (i = L0_REGNUM; i <= I7_REGNUM; i++) + { + if (regno == i || regno == -1) + { + target_read_memory (sp + ((i - L0_REGNUM) * 4), + &buf[4], sizeof (buf)); + supply_register (i, buf); + } + } + } + } + + /* FIXME: If we don't set these valid, read_register_bytes() rereads + all the regs every time it is called! */ + if (regno == WIM_REGNUM || regno == -1) + supply_register (WIM_REGNUM, NULL); + if (regno == TBR_REGNUM || regno == -1) + supply_register (TBR_REGNUM, NULL); + if (regno == CPS_REGNUM || regno == -1) + supply_register (CPS_REGNUM, NULL); +} + +void +sparcnbsd_fill_reg32 (char *regs, int regno) +{ + int i; + + if (regno == PS_REGNUM || regno == -1) + regcache_collect (PS_REGNUM, regs + REG32_OFFSET_PSR); + + if (regno == PC_REGNUM || regno == -1) + regcache_collect (PC_REGNUM, regs + REG32_OFFSET_PC); + + if (regno == NPC_REGNUM || regno == -1) + regcache_collect (NPC_REGNUM, regs + REG32_OFFSET_NPC); + + if (regno == Y_REGNUM || regno == -1) + regcache_collect (Y_REGNUM, regs + REG32_OFFSET_Y); + + if ((regno >= G0_REGNUM && regno <= G7_REGNUM) || regno == -1) + { + /* %g0 is always zero */ + for (i = G1_REGNUM; i <= G7_REGNUM; i++) + { + if (regno == i || regno == -1) + regcache_collect (i, regs + REG32_OFFSET_GLOBAL + + ((i - G0_REGNUM) * 4)); + } + } + + if ((regno >= O0_REGNUM && regno <= O7_REGNUM) || regno == -1) + { + for (i = O0_REGNUM; i <= O7_REGNUM; i++) + { + if (regno == i || regno == -1) + regcache_collect (i, regs + REG32_OFFSET_OUT + + ((i - O0_REGNUM) * 4)); + } + } + + /* Responsibility for the stack regs is pushed off onto the caller. */ +} + +void +sparcnbsd_fill_reg64 (char *regs, int regno) +{ + int i; + + if (regno == TSTATE_REGNUM || regno == -1) + regcache_collect (TSTATE_REGNUM, regs + REG64_OFFSET_TSTATE); + + if (regno == PC_REGNUM || regno == -1) + regcache_collect (PC_REGNUM, regs + REG64_OFFSET_PC); + + if (regno == NPC_REGNUM || regno == -1) + regcache_collect (NPC_REGNUM, regs + REG64_OFFSET_NPC); + + if (regno == Y_REGNUM || regno == -1) + regcache_collect (Y_REGNUM, regs + REG64_OFFSET_Y); + + if ((regno >= G0_REGNUM && regno <= G7_REGNUM) || regno == -1) + { + /* %g0 is always zero */ + for (i = G1_REGNUM; i <= G7_REGNUM; i++) + { + if (regno == i || regno == -1) + regcache_collect (i, regs + REG64_OFFSET_GLOBAL + + ((i - G0_REGNUM) * 4)); + } + } + + if ((regno >= O0_REGNUM && regno <= O7_REGNUM) || regno == -1) + { + for (i = O0_REGNUM; i <= O7_REGNUM; i++) + { + if (regno == i || regno == -1) + regcache_collect (i, regs + REG64_OFFSET_OUT + + ((i - O0_REGNUM) * 4)); + } + } + + /* Responsibility for the stack regs is pushed off onto the caller. */ +} + +void +sparcnbsd_supply_fpreg32 (char *fpregs, int regno) +{ + int i; + + for (i = 0; i <= 31; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + supply_register (FP0_REGNUM + i, fpregs + (i * 4)); + } + + if (regno == FPS_REGNUM || regno == -1) + supply_register (FPS_REGNUM, fpregs + (32 * 4)); +} + +void +sparcnbsd_supply_fpreg64 (char *fpregs, int regno) +{ + int i; + + for (i = 0; i <= 31; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + supply_register (FP0_REGNUM + i, fpregs + (i * 4)); + } + + for (; i <= 47; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + supply_register (FP0_REGNUM + i, fpregs + (32 * 4) + (i * 8)); + } + + if (regno == FPS_REGNUM || regno == -1) + supply_register (FPS_REGNUM, fpregs + (32 * 4) + (16 * 8)); + + /* XXX %gsr */ +} + +void +sparcnbsd_fill_fpreg32 (char *fpregs, int regno) +{ + int i; + + for (i = 0; i <= 31; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + regcache_collect (FP0_REGNUM + i, fpregs + (i * 4)); + } + + if (regno == FPS_REGNUM || regno == -1) + regcache_collect (FPS_REGNUM, fpregs + (32 * 4)); +} + +void +sparcnbsd_fill_fpreg64 (char *fpregs, int regno) +{ + int i; + + for (i = 0; i <= 31; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + regcache_collect (FP0_REGNUM + i, fpregs + (i * 4)); + } + + for (; i <= 47; i++) + { + if (regno == (FP0_REGNUM + i) || regno == -1) + regcache_collect (FP0_REGNUM + i, fpregs + (32 * 4) + (i * 8)); + } + + if (regno == FPS_REGNUM || regno == -1) + regcache_collect (FPS_REGNUM, fpregs + (32 * 4) + (16 * 8)); + + /* XXX %gsr */ +} + +/* Unlike other NetBSD implementations, the SPARC port historically used + .reg and .reg2 (see bfd/netbsd-core.c), and as such, we can share one + routine for a.out and ELF core files. */ +static void +fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which, + CORE_ADDR ignore) +{ + int reg_size, fpreg_size; + + if (gdbarch_ptr_bit (current_gdbarch) == 32) + { + reg_size = (20 * 4); + fpreg_size = (33 * 4); + } + else + { + reg_size = (20 * 8); + fpreg_size = (64 * 4) + + 8 /* fsr */ + + 4 /* gsr */ + + 4; /* pad */ + } + + switch (which) + { + case 0: /* Integer registers */ + if (core_reg_size != reg_size) + warning ("Wrong size register set in core file."); + else if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_supply_reg32 (core_reg_sect, -1); + else + sparcnbsd_supply_reg64 (core_reg_sect, -1); + break; + + case 2: /* Floating pointer registers */ + if (core_reg_size != fpreg_size) + warning ("Wrong size FP register set in core file."); + else if (gdbarch_ptr_bit (current_gdbarch) == 32) + sparcnbsd_supply_fpreg32 (core_reg_sect, -1); + else + sparcnbsd_supply_fpreg64 (core_reg_sect, -1); + break; + + default: + /* Don't know what kind of register request this is; just ignore it. */ + break; + } +} + +static struct core_fns sparcnbsd_core_fns = +{ + bfd_target_unknown_flavour, /* core_flavour */ + default_check_format, /* check_format */ + default_core_sniffer, /* core_sniffer */ + fetch_core_registers, /* core_read_registers */ + NULL +}; + +static struct core_fns sparcnbsd_elfcore_fns = +{ + bfd_target_elf_flavour, /* core_flavour */ + default_check_format, /* check_format */ + default_core_sniffer, /* core_sniffer */ + fetch_core_registers, /* core_read_registers */ + NULL +}; + +/* FIXME: Need PC_IN_SIGTRAMP() support, but NetBSD/sparc signal trampolines + aren't easily identified. */ + +static int +sparcnbsd_get_longjmp_target_32 (CORE_ADDR *pc) +{ + CORE_ADDR jb_addr; + char buf[4]; + + jb_addr = read_register (O0_REGNUM); + + if (target_read_memory (jb_addr + 12, buf, sizeof (buf))) + return 0; + + *pc = extract_address (buf, sizeof (buf)); + + return 1; +} + +static int +sparcnbsd_get_longjmp_target_64 (CORE_ADDR *pc) +{ + CORE_ADDR jb_addr; + char buf[8]; + + jb_addr = read_register (O0_REGNUM); + + if (target_read_memory (jb_addr + 16, buf, sizeof (buf))) + return 0; + + *pc = extract_address (buf, sizeof (buf)); + + return 1; +} + +static int +sparcnbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name) +{ + if (strcmp (name, "_DYNAMIC") == 0) + return 1; + + return 0; +} + +static void +sparcnbsd_init_abi_common (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + set_gdbarch_get_longjmp_target (gdbarch, gdbarch_ptr_bit (gdbarch) == 32 ? + sparcnbsd_get_longjmp_target_32 : + sparcnbsd_get_longjmp_target_64); +} + +static void +sparcnbsd_init_abi_aout (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + sparcnbsd_init_abi_common (info, gdbarch); + + set_gdbarch_in_solib_call_trampoline (gdbarch, + sparcnbsd_aout_in_solib_call_trampoline); +} + +static void +sparcnbsd_init_abi_elf (struct gdbarch_info info, + struct gdbarch *gdbarch) +{ + sparcnbsd_init_abi_common (info, gdbarch); + + set_solib_svr4_fetch_link_map_offsets (gdbarch, + gdbarch_ptr_bit (gdbarch) == 32 ? + nbsd_ilp32_solib_svr4_fetch_link_map_offsets : + nbsd_lp64_solib_svr4_fetch_link_map_offsets); +} + +static enum gdb_osabi +sparcnbsd_aout_osabi_sniffer (bfd *abfd) +{ + if (strcmp (bfd_get_target (abfd), "a.out-sparc-netbsd") == 0) + return GDB_OSABI_NETBSD_AOUT; + + return GDB_OSABI_UNKNOWN; +} + +void +_initialize_sparnbsd_tdep (void) +{ + gdbarch_register_osabi_sniffer (bfd_arch_sparc, bfd_target_aout_flavour, + sparcnbsd_aout_osabi_sniffer); + + gdbarch_register_osabi (bfd_arch_sparc, GDB_OSABI_NETBSD_AOUT, + sparcnbsd_init_abi_aout); + gdbarch_register_osabi (bfd_arch_sparc, GDB_OSABI_NETBSD_ELF, + sparcnbsd_init_abi_elf); + + add_core_fns (&sparcnbsd_core_fns); + add_core_fns (&sparcnbsd_elfcore_fns); +} diff --git a/gdb/config/sparc/tm-nbsdaout.h b/gdb/sparcnbsd-tdep.h index a62e535..bad2d65 100644 --- a/gdb/config/sparc/tm-nbsdaout.h +++ b/gdb/sparcnbsd-tdep.h @@ -1,5 +1,5 @@ -/* Macro definitions for Sparc running under NetBSD. - Copyright 1994, 2002 Free Software Foundation, Inc. +/* Common target dependent code for GDB on SPARC systems running NetBSD. + Copyright 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -18,13 +18,17 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef TM_NBSDAOUT_H -#define TM_NBSDAOUT_H +#ifndef SPARCNBSD_TDEP_H +#define SPARCNBSD_TDEP_H -#include "sparc/tm-nbsd.h" +void sparcnbsd_supply_reg32 (char *, int); +void sparcnbsd_supply_reg64 (char *, int); +void sparcnbsd_fill_reg32 (char *, int); +void sparcnbsd_fill_reg64 (char *, int); -/* Return non-zero if we are in a shared library trampoline code stub. */ -#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \ - (name && !strcmp(name, "_DYNAMIC")) +void sparcnbsd_supply_fpreg32 (char *, int); +void sparcnbsd_supply_fpreg64 (char *, int); +void sparcnbsd_fill_fpreg32 (char *, int); +void sparcnbsd_fill_fpreg64 (char *, int); -#endif /* TM_NBSDAOUT_H */ +#endif /* SPARCNBSD_TDEP_H */ |