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acd5c79833
(I386_SIZEOF_GREGS, I386_SIZEOF_FREGS, I386_SIZEOF_XREGS): Remove defenitions. (IS_FP_REGNUM, IS_SSE_REGNUM): Remove definitions. * i386-tdep.c: Mark functions that are 64-bit safe as such. (I386_EAX_REGNUM, I386_EDX_REGNUM, I386_ESP_REGNUM, I386_EBP_REGNUM, I386_EIP_REGNUM, I386_EFLAGS_REGNUM, I386_ST0_REGNUM): New defines. (CODESTREAM_BUFSIZ, codestream_tell, codestream_peek, codestream_get): Remove define. (codestream_next_addr, condestream_addr, condestream_buf, codestream_off, codestream_cnt): Remove variables. (codestream_fill, codestream_seek, codestream_read): Remove functions. (i386_follow_jump): Rewrite to avoid usage of removed codestream functionality. (i386_get_frame_setup, i386_frameless_signal_p, i386_frame_chain, i386_sigtramp_saved_pc, i386_sigtramp_saved_sp, i386_frame_saved_pc, i386_saved_pc_after_call, i386_frame_num_args, i386_frame_init_saved_regs, i386_push_return_address, i386_do_pop_frame, i386_pop_frame, i386_push_arguments): Remove functions. (i386_skip_prologue): Rewrite to avoid usage of removed codestream functionality. Use i386_analyze_prologue instead of i386_get_frame_setup. (I386_NUM_SAVED_REGS): New define. (struct i386_frame_cache): New structure. (i386_alloc_frame_cache, i386_analyze_struct_return, i386_skip_probe, i386_analyze_frame_setup, i386_analyze_register_saves, i386_analyze_prologue, i386_unwind_pc, i386_frame_cache, i386_frame_this_id, i386_frame_prev_register, i386_sigtramp_frame_cache, i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register, i386_frame_p, i386_sigtramp_frame_p, i386_frame_base_address, i386_unwind_dummy_id, i386_save_dummy_tos, i386_push_dummy_call): New functions. (i386_frame_unwind, i386_sigtramp_frame_unwind, i386_frame_base): New variables. (LOW_RETURN_REGNUM, HIGH_RETURN_REGNUM): Define in terms of I386_EAX_REGNUM and I386_EDX_REGNUM. (i386_extract_return_value, i386_store_return_value): Use I386_ST0_REGNUM where appropriate. (i386_extract_struct_value_address): Rewrite to use extract_address. (i386_svr4_pc_in_sigtramp): Add comment. (i386_svr4_sigcontext_addr): Rewrite. (i386_svr4_init_abi): Adjust TDEP->sc_pc_offset and TDEP->sc_sp_offset. (i386_gdbarch_init): Don't set deprecated_init_frame_pc. Set sp_regnum, fp_regnum, pc_regnum, ps_regnum and fp0_regnum in terms of new defines. Set push_dummy_call, don't set deprecated_push_arguments, deprecated_push_return_address, deprecated_pop_frame. Don't set parm_boundary. Don't set deprecated_frame_chain, deprecated_frame_saved_pc, deprecated_saved_pc_after_call. Set unwind_dummy_id, save_dummy_frame_tos, unwind_pc. Call frame_unwind_append_predicate and frame_base_set_default. Don't set deprecated_dummy_write_pc. Don't set deprecated_fp_regnum. Don't set frameless_function_invocation. Don't set deprecated_register_bytes, deprecated_register_size, deprecated_call_dummy_words and deprecated_sizeof_call_dummy. * i386-linux-tdep.c: Fix formatting in some comments. (LINUX_SIGTRAMP_INSN0, LINUX_SIGTRAMP_OFFSET0, LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1, LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2, LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0, LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1): Drop redundant parentheses. (I386_LINUX_UCONTEXT_SIGCONTEXT_OFFSET): New define. (i386_linux_sigcontext_addr): Use it. Rewrite. (find_minsym_and_objfile): Change name of second argument. (skip_gnu_resolver): Renamed from skip_hurd_resolver. All callers changed. Use frame_pc_unwind instead of DEPRECATED_SAVED_PC_AFTER_CALL. (i386_linux_init_abi): Don't set deprecated_register_bytes. * i386bsd-tdep.c (i386bsd_sigcontext_addr): Rewrite. * i386-nto-tdep.c (i386nto_sigcontext_addr): Adapt for new frame unwinder. * i386-cygwin-tdep.c: Don't include "gdbcore.h", "frame.h" and "dummy-frame.h". (i386_cygwin_frame_chain_valid, i386_cygwin_frame_chain): Removed. (_initialize_i386_cygwin_tdep): New prototype. (i386_cygwin_init_abi): Don't set deprecated_frame_chain and deprecated_frame_chain_valid. * i386-sol2-tdep.c (i386_sol2_init_abi): Don't set TDEP->sigcontext_addr, TDEP->sc_pc_offset and TDEP->sc_sp_offset. Rely on the SVR4 defaults. * config/i386/i386sol2.mt (TDEPFILES): Remove i386bsd-tdep.o. * Makefile.in (i386-tdep.o, i386-cygwin-tdep.o): Update dependencies.
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* Target-dependent code for Solaris x86.
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Copyright 2002, 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "value.h"
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#include "osabi.h"
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#include "i386-tdep.h"
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static int
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i386_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name)
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{
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/* Signal handler frames under Solaris 2 are recognized by a return
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address of 0xffffffff. */
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return (pc == 0xffffffff);
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}
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/* Solaris 2. */
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static void
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i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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/* Solaris is SVR4-based. */
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i386_svr4_init_abi (info, gdbarch);
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/* Signal trampolines are slightly different from SVR4. */
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set_gdbarch_pc_in_sigtramp (gdbarch, i386_sol2_pc_in_sigtramp);
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}
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static enum gdb_osabi
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i386_sol2_osabi_sniffer (bfd *abfd)
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{
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/* If we have a section named .SUNW_version, then it is almost
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certainly Solaris 2. */
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if (bfd_get_section_by_name (abfd, ".SUNW_version"))
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return GDB_OSABI_SOLARIS;
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return GDB_OSABI_UNKNOWN;
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_i386_sol2_tdep (void);
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void
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_initialize_i386_sol2_tdep (void)
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{
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/* Register an ELF OS ABI sniffer for Solaris 2 binaries. */
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gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
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i386_sol2_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_SOLARIS,
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i386_sol2_init_abi);
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}
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