aboutsummaryrefslogtreecommitdiff
path: root/gdb/sparc64nbsd-tdep.c
diff options
context:
space:
mode:
authorMark Kettenis <kettenis@gnu.org>2004-01-03 10:08:45 +0000
committerMark Kettenis <kettenis@gnu.org>2004-01-03 10:08:45 +0000
commit386c036baa78260724d16fb2672450b09b684dcb (patch)
tree7e8d71cf5289cfbda1f817bd13958f645d637206 /gdb/sparc64nbsd-tdep.c
parent06846494cea461fe8d487d2f8611cd4dd6fc3d36 (diff)
downloadgdb-386c036baa78260724d16fb2672450b09b684dcb.zip
gdb-386c036baa78260724d16fb2672450b09b684dcb.tar.gz
gdb-386c036baa78260724d16fb2672450b09b684dcb.tar.bz2
* Makefile.in (ALLDEPFILES): Remove sparc-linux-nat.c and
sparcl-tdep.c. Add sparc-linux-tdep.c, sparc-sol2-nat.c, sparc-sol2-tdep.c, sparc-sol2-nat.c, sparc-sol2-tdep.c, sparc64-linux-nat.c, sparc64-linux-tdep.c, sparc64-nat.c, sparc64-sol2-tdep.c, sparc64-tdep.c, sparc64fbsd-nat.c, sparc64fbsd-tdep.c, sparcnbsd-nat.c, sparcnbsd-tdep.c. (sparc_nat_h): New variable. (sparcbsd_nat_h, sparcnbsd_tdep_h): Remove variables. (tm-sun4os4.h): Remove dependency. (sparcbsd-nat.o, sparc-linux-nat.o): Remove dependencies. (sparc64fbsd-nat.o, sparc64fbsd-tdep.o, sparc64nbsd-nat.o, sparc64-tdep.o, sparc-nat.o, sparcnbsd-nat.o, sparcnbsd-tdep.o, sparc-tdep.o): Update dependencies. (sparc-linux-tdep.o, sparc-sol2-nat.o, sparc-sol2-tdep.o, sparc64-linux-nat.o, sparc64-linux-tdep.o, sparc64-nat.o, sparc64-sol2-tdep.o, sparc64-tdep.o, sparc64nbsd-tdep.o): New dependencies. * configure.host: Remove existing sparc-*-lynxos*, sparc-*-solaris*, sparc-*-sunos4*, sparc-*-sunos5*, sparc-*-*, ultrasparc-*-freebsd, sparcv9-*-freebsd, sparc64-*-linux*, sparcv9-*-* and sparc64-*-* triplets. Add new sparc64-*-linux*, sparc-*-solaris2*, sparcv9-*-solaris2* and sparc64-*-solaris2* triplets. * configure.tgt: Remove exitsing sparc-*-aout*, sparc-*-coff*, sparc-*-elf*, sparc*-lynxos*, sparc-*-solars2*, sparc-*-sunos4*, sparc-*-sunos5*, sparc-*-vxworks*, sparc64-*linux*, sparc64-*-*, sparcv9-*-* and commented out sparc64-*-solars2* triplets. Add new sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*, sparc64-*-linux, sparc-*-solaris2*, sparcv9-*-solaris*, sparc64-*-solaris2* and sparc64-*-* triplets. * sparc64-tdep.c: Update copyright year. Include "inferior.h", "symtab.h" and "objfiles.h". (BIAS): Remove define. (X_OP, X_RD, X_A, X_COND, X_OP2, X_IMM22, X_OP3, X_I, X_DISP22) (X_DISP19): Remove macros. (sparc_fetch_instruction): Remove function. (struct gdbarch_tdep): Remove definition. (SPARC64_NUM_REGS, SPARC64_NUM_PSEUDO_REGS): Use ARRAY_SIZE. (sparc_breakpoint_from_pc): Remove function. (struct sparc64_frame_cache): Remove definition. (sparc64_alloc_frame_cache, sparc64_analyze_prologue, sparc64_unwind_pc): Remove functions. (sparc64_skip_prologue): Use `struct sparc_frame_cache' instead of `struct sparc64_frame_cache. Call sparc_analyze_prologue instead of sparc64_analyze_prologue. Mark constant as ULL instead of UL. (sparc64_frame_cache): Change return type to `struct sparc_frame_cache *'. Simply call sparc_frame_cache. (sparc64_frame_this_id, sparc64_frame_prev_register, sparc64_frame_base_address): Use `struct sparc_frame_cache' instead of `struct sparc64_frame_cache. (sparc_unwind_dummy_id, sparc_extract_struct_value_address, sparc_analyze_control_transfer, sparc_software_single_step, sparc64_gdbarch_init, sparc_supply_rwindow, sparc_fill_rwindow, _initialize_sparc64_tdep): Remove functions. (TSTATE_CWP, TSTATE_ICC, TSTATE_XCC): New macros. (PSR_S, PSR_ICC, PSR_VERS, PSR_IMPL, PSR_V8PLUS, PSR_XCC): New macros. (sparc64_supply_gregset, sparc64_collect_gregset, sparc64_supply_fpregset, sparc64_collect_fpregset): New functions. (sparc64_init_abi): New function. * sparc64-tdep.h: Update copyright year. Fix typo in multiple inclusion guard. Include "sparc-tdep.h". (BIAS): Define. (r_tstate_offset, r_fprs_offset): New defines. (enum sparc_regnum): Remove defenition. (enum sparc64_regnum): Reformat. (sparc_supply_rwindow, sparc_fill_rwindow): Remove prototypes. (sparc64_init_abi, sparc64_supply_gregset, sparc64_collect_gregset, sparc64_supply_fpregset, sparc64_collect_fpregset): New prototypes. (sparc64_sol2_gregset, sparc64nbsd_gregset, sparc64fbsd_gregset): Add extern declarations. (sparc64_sol2_init_abi): New prototype. (sparc64fbsd_supply_reg, sparc64fbsd_fill_reg) (sparc64fbsd_supply_fpreg, sparc64fbsd_fill_fpreg): Remove prototypes. * sparc64fbsd-nat.c: Include "sparc-nat.h", don't include "sparnbsd-nat.h". (sparc64fbsd_reg_supplies_p, sparc64fbsd_fpreg_supplies_p): Remove functions. (_initialize_sparc64fbsd_nat): Remove initialization of sparcbsd_supply_reg, sparcbsd_fill_reg, sparcbsd_supply_fpreg, sparcbsd_fill_fpreg, sparcbsd_reg_supplies_p, sparcbsd_fpreg_supplies_p. Initialize sparc_gregset. * sparc64fbsd-tdep.c: Update copyright year. Include "frame.h", "frame-unwind.h", "trad-frame.h" and "gdb_assert.h". (sparc64fbsd_r_global_offset, sparc64fbsd_r_out_offset) (sparc64fbsd_r_fprs_offset, sparc64fbsd_r_tnpc_offset) (sparc64fbsd_r_tpc_offset, sparc64fbsd_r_tstate_offset) (sparc64fbsd_r_y_offset): Remove variables. (sparc64fbsd_sizeof_struct_reg, sparc64fbsd_sizeof_struct_fpreg): Make static and const. (sparc64fbsd_supply_reg, sparc64fbsd_fill_reg) (sparc64fbsd_supply_fpreg, sparc64fbsd_fill_fpreg): Remove functions. (sparc64fbsd_gregset): New variable. (fetch_core_registers): Replace calls to sparc64fbsd_supply_reg and sparc64fbsd_supply_fpreg with calls to sparc64_supply_gregset and sparc64_supply_fpregset. (sparc64fbsd_pc_in_sigtramp, sparc64fbsd_sigtramp_frame_cache) (sparc64fbsd_sigtramp_frame_this_id) (sparc64fbsd_sigtramp_frame_prev_register): New functions. (sparc64fbsd_sigtramp_frame_unwind): New variable. (sparc64fbsd_sigtramp_frame_sniffer): New function. (sparc64fbsd_init_abi): Set pc_in_sigtramp, append sparc64fbsd_sigtramp_frame_sniffer. Call sparc64_init_abi. * sparcnbsd-tdep.c: Update copyright year. Include "floatformat.h", "frame.h", "frame-unwind.h", "symtab.h", "trad-frame.h" and "gdb_assert.h", don't include "target.h", "value.h" and "sparcnbsd-tdep.h". (REG32_OFFSET_PSR, REG32_OFFSET_PC, REG32_OFFSET_NPC) (REG32_OFFSET_Y, REG32_OFFSET_GLOBAL, REG32_OFFSET_OUT) (REG64_OFFSET_TSTATE, REG64_OFFSET_PC, REG64_OFFSET_NPC) (REG64_OFFSET_Y, REG64_OFFSET_GLOBAL, REG64_OFFSET_OUT): Remove defines. (sparcnbsd_gregset): New variable. (sparcnbsd_supply_reg32, sparcnbsd_supply_reg64) (sparcnbsd_fill_reg32, sparcnbsd_fill_reg64) (sparcnbsd_supply_fpreg32, sparcnbsd_supply_fpreg64) (sparcnbsd_fill_reg32, sparcnbsd_fill_reg64): Remove functions. (sparc32nbsd_sigtramp_start, sparc32nbsd_sigtramp_end): New variables. (sparc32nbsd_pc_in_sigtramp, sparc32nbsd_sigcontext_frame_cache) (sparc32nbsd_sigcontext_frame_this_id) (sparc32nbsd_sigcontext_frame_prev_register): New functions. (sparc32nbsd_sigcontext_frame_unwind): New variable. (sparc32nbsd_sigtramp_frame_sniffer): New function. (sparcnbsd_get_longjmp_target_32, sparcnbsd_get_longjmp_target_64): Remove functions. (sparcnbsd_aout_in_solib_call_trampoline): Rewrite. (sparcnbsd_init_abi_common, sparcnbsd_init_aout, sparcnbsd_init_elf): Remove. (sparcnbsd_init_abi, sparcnbsd_aout_init_abi) (sparcnbsd_elf_init_abi): New functions. (_initialize_sparcnbsd_tdep): New prototype. (_initialize_sparnbsd_tdep): Update. * config/sparc/fbsd.mh (NATDEPFILES): Remove sparcbsd-nat.o and corelow.o. Add sparc64-nat.o and sparc-nat.o. * config/sparc/fbsd.mt (TDEPFILES): Add sparc-tdep.o and corelow.o. * config/sparc/linux.mh: Update comment. (XM_FILE, HOST_IPC): Remove variables. (NATDEPFILES): Add sparc-sol2-nat.o and core-regset.o. Remove sparc-linux-nat.o. * config/sparc/linux.mt: Update comment. (TDEPFILES): Add sparc-sol2-tdep.o and sparc-linux-tdep.o. * config/sparc/nbsd.mt: Reformat. * config/sparc/nbsd64.mh: Update comment. (NATDEPFILES): Add sparc-nat.o. * config/sparc/nbsd64.mt: Update comment. (TDEPFILES): Add sparc64-tdep.o and sparc64nbsd-tdep.o. (TM_FILE): Set to tm-nbsd.h. * config/sparc/nbsdelf.mh: Update comment. (NATDEPFILES): Add sparc-nat.o. (XM_FILE): Delete. * config/sparc/nbsdaout.mh: Update comment. (NATDEPFILES): Add sparc-nat.o (XM_FILE): Delete. * config/sparc/nm-linux.h: Update copyright year. Don't include "config/nm-svr4.h" and "solib.h". Add protection against multiple inclusion. (KERNEL_U_SIZE): Remove define. (kernel_u_size): Remove prototype. (PTRACE_ARG3_TYPE, PTRACE_XFER_TYPE): Define. * config/sparc/nm-nbsd.h: Update copyright. Don't include "regcache.h". (CHILD_PREPARE_TO_STORE): Remove define. * config/sparc/nm-nbsdaout.h: Tweak some comments. * sparc-nat.c, sparc-tdep.c, sparc-tdep.h, sparc64nbsd-nat.c, sparcnbsd-nat.c: Rewrite files. * config/sparc/tm-linux.h, config/sparc/tm-nbsd.h: Rewrite files. * sparc-linux-nat.c, sparcbsd-nat.c, sparcbsd-nat.h, sparcnbsd-tdep.h: Remove files. * config/sparc/nm-sparclynx.h, config/sparc/nm-sun4os4.h, config/sparc/nm-sun4sol2.h, config/sparc/sp64.mt, config/sparc/sp64linux.mt, config/sparc/sp64sol2.mt, config/sparc/sparc-em.mt, config/sparc/sparclynx.mh, config/sparc/sparclynx.mt, config/sparc/sun4os4.mh, config/sparc/sun4os4.mt, config/sparc/sun4sol2.mh, config/sparc/sun4sol2.mt, config/sparc/tm-sp64.h, config/sparc/tm-sp64linux.h, config/sparc/tm-sparc.h, config/sparc/tm-sparclynx.h, config/sparc/tm-spc-em.h, config/sparc/tm-sun4os4.h, config/sparc/tm-sun4sol2.h, config/sparc/tm-vxsparc.h, config/sparc/vxsparc.mt, config/sparc/xm-linux.h, config/sparc/xm-sun4sol2.h: Remove files. * sparc-linux-tdep.c, sparc-nat.h, sparc-sol2-nat.c, sparc-sol2-tdep.c, sparc64-linux-nat.c, sparc64-linux-t dep.c, sparc64-nat.c, sparc64-sol2-tdep.c, sparc64nbsd-tdep.c: New files. * config/sparc/linux64.mh, config/sparc/linux64.mt, config/sparc/nm-sol2.h, config/sparc/sol2-64.mt, config/sparc/sol2.mh, config/sparc/sol2.mt, config/sparc/sparc.mt, config/sparc/sparc64.mt, config/sparc/tm-sol2.h: New files.
Diffstat (limited to 'gdb/sparc64nbsd-tdep.c')
-rw-r--r--gdb/sparc64nbsd-tdep.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/gdb/sparc64nbsd-tdep.c b/gdb/sparc64nbsd-tdep.c
new file mode 100644
index 0000000..3e657b4
--- /dev/null
+++ b/gdb/sparc64nbsd-tdep.c
@@ -0,0 +1,258 @@
+/* Target-dependent code for NetBSD/sparc64.
+
+ Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
+ Based on code 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 "frame.h"
+#include "frame-unwind.h"
+#include "gdbcore.h"
+#include "osabi.h"
+#include "regcache.h"
+#include "symtab.h"
+#include "solib-svr4.h"
+#include "trad-frame.h"
+
+#include "gdb_assert.h"
+#include "gdb_string.h"
+
+#include "sparc64-tdep.h"
+#include "nbsd-tdep.h"
+
+/* From <machine/reg.h>. */
+const struct sparc_gregset sparc64nbsd_gregset =
+{
+ 0 * 8, /* "tstate" */
+ 1 * 8, /* %pc */
+ 2 * 8, /* %npc */
+ 3 * 8, /* %y */
+ -1, /* %fprs */
+ -1,
+ 5 * 8, /* %g1 */
+ -1, /* %l0 */
+ 4 /* sizeof (%y) */
+};
+
+/* Size of `struct reg' and `struct fpreg'. */
+static const int sparc64nbsd_sizeof_struct_reg = 160;
+static const int sparc64nbsd_sizeof_struct_fpreg = 272;
+
+static void
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ CORE_ADDR ignore)
+{
+ switch (which)
+ {
+ case 0: /* Integer registers */
+ if (core_reg_size != sparc64nbsd_sizeof_struct_reg)
+ warning ("Wrong size register set in core file.");
+ else
+ sparc64_supply_gregset (&sparc64nbsd_gregset, current_regcache,
+ -1, core_reg_sect);
+ break;
+
+ case 2: /* Floating pointer registers */
+ if (core_reg_size != sparc64nbsd_sizeof_struct_fpreg)
+ warning ("Wrong size FP register set in core file.");
+ else
+ sparc64_supply_fpregset (current_regcache, -1, core_reg_sect);
+ break;
+
+ default:
+ /* Don't know what kind of register request this is; just ignore it. */
+ break;
+ }
+}
+
+static struct core_fns sparc64nbsd_core_fns =
+{
+ bfd_target_elf_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL
+};
+
+/* Signal trampolines. */
+
+/* The following variables describe the location of an on-stack signal
+ trampoline. The current values correspond to the memory layout for
+ NetBSD 1.3 and up. These shouldn't be necessary for NetBSD 2.0 and
+ up, since NetBSD uses signal trampolines provided by libc now. */
+
+static const CORE_ADDR sparc64nbsd_sigtramp_start = 0xffffffffffffdee4ULL;
+static const CORE_ADDR sparc64nbsd_sigtramp_end = 0xffffffffffffe000ULL;
+
+static int
+sparc64nbsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
+{
+ if (pc >= sparc64nbsd_sigtramp_start && pc < sparc64nbsd_sigtramp_end)
+ return 1;
+
+ return nbsd_pc_in_sigtramp (pc, name);
+}
+
+static struct sparc_frame_cache *
+sparc64nbsd_sigcontext_frame_cache (struct frame_info *next_frame,
+ void **this_cache)
+{
+ struct sparc_frame_cache *cache;
+ CORE_ADDR addr, sigcontext_addr, sp;
+ LONGEST fprs;
+ int regnum, delta;
+
+ if (*this_cache)
+ return *this_cache;
+
+ cache = sparc_frame_cache (next_frame, this_cache);
+ gdb_assert (cache == *this_cache);
+
+ /* The registers are saved in bits and pieces scattered all over the
+ place. The code below records their location on the assumption
+ that the part of the signal trampoline that saves the state has
+ been executed. */
+
+ /* If we couldn't find the frame's function, we're probably dealing
+ with an on-stack signal trampoline. */
+ if (cache->pc == 0)
+ {
+ cache->pc = sparc64nbsd_sigtramp_start;
+
+ /* Since we couldn't find the frame's function, the cache was
+ initialized under the assumption that we're frameless. */
+ cache->frameless_p = 0;
+ addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
+ cache->base = addr;
+ }
+
+ cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+
+ /* We find the appropriate instance of `struct sigcontext' at a
+ fixed offset in the signal frame. */
+ sigcontext_addr = cache->base + BIAS + 128 + 8;
+
+ cache->saved_regs[SPARC_SP_REGNUM].addr = sigcontext_addr + 8;
+ cache->saved_regs[SPARC64_PC_REGNUM].addr = sigcontext_addr + 16;
+ cache->saved_regs[SPARC64_NPC_REGNUM].addr = sigcontext_addr + 24;
+ cache->saved_regs[SPARC64_STATE_REGNUM].addr = sigcontext_addr + 32;
+ cache->saved_regs[SPARC_G1_REGNUM].addr = sigcontext_addr + 40;
+ cache->saved_regs[SPARC_O0_REGNUM].addr = sigcontext_addr + 48;
+
+ /* The remaining `global' registers and %y are saved in the `local'
+ registers. */
+ delta = SPARC_L0_REGNUM - SPARC_G0_REGNUM;
+ for (regnum = SPARC_G2_REGNUM; regnum <= SPARC_G7_REGNUM; regnum++)
+ cache->saved_regs[regnum].realreg = regnum + delta;
+ cache->saved_regs[SPARC64_Y_REGNUM].realreg = SPARC_L1_REGNUM;
+
+ /* The remaining `out' registers can be found in the current frame's
+ `in' registers. */
+ delta = SPARC_I0_REGNUM - SPARC_O0_REGNUM;
+ for (regnum = SPARC_O1_REGNUM; regnum <= SPARC_O5_REGNUM; regnum++)
+ cache->saved_regs[regnum].realreg = regnum + delta;
+ cache->saved_regs[SPARC_O7_REGNUM].realreg = SPARC_I7_REGNUM;
+
+ /* The `local' and `in' registers have been saved in the register
+ save area. */
+ addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
+ sp = get_frame_memory_unsigned (next_frame, addr, 8);
+ for (regnum = SPARC_L0_REGNUM, addr = sp + BIAS;
+ regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
+ cache->saved_regs[regnum].addr = addr;
+
+ /* TODO: Handle the floating-point registers. */
+
+ return cache;
+}
+
+static void
+sparc64nbsd_sigcontext_frame_this_id (struct frame_info *next_frame,
+ void **this_cache,
+ struct frame_id *this_id)
+{
+ struct sparc_frame_cache *cache =
+ sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache);
+
+ (*this_id) = frame_id_build (cache->base, cache->pc);
+}
+
+static void
+sparc64nbsd_sigcontext_frame_prev_register (struct frame_info *next_frame,
+ void **this_cache,
+ int regnum, int *optimizedp,
+ enum lval_type *lvalp,
+ CORE_ADDR *addrp,
+ int *realnump, void *valuep)
+{
+ struct sparc_frame_cache *cache =
+ sparc64nbsd_sigcontext_frame_cache (next_frame, this_cache);
+
+ trad_frame_prev_register (next_frame, cache->saved_regs, regnum,
+ optimizedp, lvalp, addrp, realnump, valuep);
+}
+
+static const struct frame_unwind sparc64nbsd_sigcontext_frame_unwind =
+{
+ SIGTRAMP_FRAME,
+ sparc64nbsd_sigcontext_frame_this_id,
+ sparc64nbsd_sigcontext_frame_prev_register
+};
+
+static const struct frame_unwind *
+sparc64nbsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
+{
+ CORE_ADDR pc = frame_pc_unwind (next_frame);
+ char *name;
+
+ find_pc_partial_function (pc, &name, NULL, NULL);
+ if (sparc64nbsd_pc_in_sigtramp (pc, name))
+ {
+ if (name == NULL || strncmp (name, "__sigtramp_sigcontext", 21))
+ return &sparc64nbsd_sigcontext_frame_unwind;
+ }
+
+ return NULL;
+}
+
+
+static void
+sparc64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ set_gdbarch_pc_in_sigtramp (gdbarch, sparc64nbsd_pc_in_sigtramp);
+ frame_unwind_append_sniffer (gdbarch, sparc64nbsd_sigtramp_frame_sniffer);
+
+ sparc64_init_abi (info, gdbarch);
+
+ set_solib_svr4_fetch_link_map_offsets
+ (gdbarch, nbsd_lp64_solib_svr4_fetch_link_map_offsets);
+}
+
+
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_sparc64nbsd_tdep (void);
+
+void
+_initialize_sparc64nbsd_tdep (void)
+{
+ gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
+ GDB_OSABI_NETBSD_ELF, sparc64nbsd_init_abi);
+
+ add_core_fns (&sparc64nbsd_core_fns);
+}