63807e1d0d
PR build/9877:
* alpha-linux-tdep.c (alpha_linux_regset_from_core_section): Make
it static.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Declare.
* amd64fbsd-tdep.c (amd64fbsd_init_abi): Make it static.
* amd64nbsd-tdep.c (_initialize_amd64nbsd_ndep): Rename to ...
(_initialize_amd64nbsd_tdep): ... this.
* arm-linux-tdep.c (arm_linux_software_single_step): Make it static.
(_initialize_arm_linux_tdep): Declare.
* armbsd-tdep.c (armbsd_fpreg_offset): Make it static.
* armnbsd-tdep.c (_initialize_arm_netbsd_tdep): Declare.
* armobsd-tdep.c (_initialize_armobsd_tdep): Declare.
* avr-tdep.c (avr_return_value): Make it static.
(avr_frame_unwind_cache): Ditto.
* bsd-uthread.c (bsd_uthread_inferior_created): Ditto.
(bsd_uthread_solib_loaded): Ditto.
(bsd_uthread_solib_unloaded): Ditto.
(bsd_uthread_target): Ditto.
(_initialize_bsd_uthread): Declare.
* cris-tdep.c (crisv32_single_step_through_delay): Make it static.
(cris_frame_unwind_cache): Ditto.
* frv-tdep.c (frv_return_value): Ditto.
* h8300-tdep.c (h8300_use_struct_convention): Ditto.
(h8300h_use_struct_convention): Ditto.
* hppa-tdep.c (hppa_sign_extend, hppa_low_hppa_sign_extend):
Ditto.
* hppa-tdep.h (hppa_low_sign_extend, hppa_sign_extend): Delete
declarations.
* hppabsd-tdep.c: Include hppabsd-tdep.h.
(hppabsd_find_global_pointer): Make it static.
* hppabsd-tdep.h: New.
* hppanbsd-tdep.c: Include hppabsd-tdep.h.
(hppabsd_init_abi): Remove declaration.
(_initialize_hppabsd_tdep): Remove declaration.
(_initialize_hppanbsd_tdep): Declare.
* hppaobsd-tdep.c: Include hppabsd-tdep.h.
(hppabsd_init_abi): Delete declaration.
(hppaobsd_init_abi): Make it static.
* i386-nto-tdep.c (_initialize_i386nto_tdep): Declare.
* i386nbsd-tdep.c (_initialize_i386nbsd_tdep): Declare.
* ia64-linux-tdep.c (_initialize_ia64_linux_tdep): Declare.
* ia64-tdep.c (ia64_register_reggroup_p): Make it static.
* iq2000-tdep.c (_initialize_iq2000_tdep): Declare.
* m32c-tdep.c (m32c_register_reggroup_p): Make it static.
(m32c_analyze_prologue, m32c_virtual_frame_pointer): Ditto.
(_initialize_m32c_tdep): Declare.
* m32r-rom.c (_initialize_m32r_rom): Declare.
* m32r-tdep.c (m32r_skip_prologue): Make it static.
(m32r_return_value): Ditto.
* m68hc11-tdep.c (m68hc11_frame_unwind_cache): Make it static.
(m68hc11_return_value): Ditto.
* m68klinux-tdep.c (_initialize_m68k_linux_tdep): Declare.
* m88k-tdep.c (m88k_frame_cache): Make it static.
* mep-tdep.c (mep_gdb_print_insn): Ditto.
(mep_return_value): Ditto.
(_initialize_mep_tdep): Declare.
* mips-irix-tdep.c (_initialize_mips_irix_tdep): Declare.
* mips-linux-tdep.c (supply_64bit_reg): Make it static.
(mips_linux_syscall_next_pc): Ditto.
(_initialize_mips_linux_tdep): Declare.
* mips-tdep.c (mips_single_step_through_delay): Make it static.
* mipsnbsd-tdep.c (_initialize_mipsnbsd_tdep): Declare.
* mn10300-linux-tdep.c (_initialize_mn10300_linux_tdep): Declare.
* mn10300-tdep.c (_initialize_mn10300_tdep): Declare.
* mt-tdep.c (_initialize_mt_tdep): Declare.
* nbsd-tdep.c: Include nbsd-tdep.h.
* nto-tdep.c (find_load_phdr): Make it static.
(_initialize_nto_tdep): Declare.
* ppc-linux-tdep.c (ppc_linux_memory_remove_breakpoint): Make it
static.
(_initialize_ppc_linux_tdep): Declare.
* remote-m32r-sdi.c (m32r_can_use_hw_watchpoint)
(m32r_insert_watchpoint, m32r_remove_watchpoint)
(m32r_stopped_data_address, m32r_stopped_by_watchpoint): Make
static.
* rs6000-aix-tdep.c (_initialize_rs6000_aix_tdep): Declare.
* rs6000-nat.c: Include xcoffread.h.
(find_toc_address): Don't extern declare get_toc_offset. Adjust
to call xcoff_get_to_offset.
* rs6000-tdep.c (ppc_vsx_support_p, ppc_displaced_step_fixup)
(rs6000_skip_main_prologue, rs6000_in_solib_return_trampoline)
(rs6000_skip_trampoline_code): Make static.
* s390-tdep.c (s390_regset_from_core_section): Ditto.
* sh-tdep.c (sh_register_reggroup_p): Ditto.
* shnbsd-tdep.c (shnbsd_regset_from_core_section): Ditto.
(_initialize_shnbsd_tdep): Declare.
* solib-frv.c (displacement_from_map): Make static.
(_initialize_frv_solib): Declare.
* solib-irix.c (fetch_lm_info): Make static.
(_initialize_irix_solib): Declare.
* solib-som.c: Include solib-som.h.
(som_solib_select): Line break.
* sparc-tdep.c (sparc_regset_from_core_section): Make static.
* sparcnbsd-tdep.c (_initialize_sparnbsd_tdep): Rename to ...
(_initialize_sparcnbsd_tdep): ... this.
* spu-tdep.c (spu_software_single_step): Make it static.
(_initialize_spu_tdep): Declare.
* vax-tdep.c (vax_frame_cache): Make it static.
* xcoffread.c: Include xcoffread.h.
(get_toc_offset): Rename to ...
(xcoff_get_toc_offset): ... this.
(_initialize_xcoffread): Declare.
* xcoffread.h: New.
* xtensa-linux-tdep.c (_initialize_xtensa_linux_tdep): Declare.
* xtensa-tdep.c (xtensa_skip_prologue, xtensa_derive_tdep): Make
static.
(_initialize_xtensa_tdep): Declare.
332 lines
9.4 KiB
C
332 lines
9.4 KiB
C
/* Target-dependent code for NetBSD/i386.
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Copyright (C) 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001, 2002, 2003,
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2004, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "arch-utils.h"
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#include "frame.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "regset.h"
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#include "osabi.h"
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#include "symtab.h"
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#include "trad-frame.h"
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#include "tramp-frame.h"
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#include "gdb_assert.h"
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#include "gdb_string.h"
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#include "i386-tdep.h"
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#include "i387-tdep.h"
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#include "nbsd-tdep.h"
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#include "solib-svr4.h"
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/* From <machine/reg.h>. */
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static int i386nbsd_r_reg_offset[] =
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{
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0 * 4, /* %eax */
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1 * 4, /* %ecx */
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2 * 4, /* %edx */
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3 * 4, /* %ebx */
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4 * 4, /* %esp */
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5 * 4, /* %ebp */
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6 * 4, /* %esi */
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7 * 4, /* %edi */
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8 * 4, /* %eip */
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9 * 4, /* %eflags */
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10 * 4, /* %cs */
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11 * 4, /* %ss */
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12 * 4, /* %ds */
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13 * 4, /* %es */
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14 * 4, /* %fs */
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15 * 4 /* %gs */
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};
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/* From <machine/signal.h>. */
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int i386nbsd_sc_reg_offset[] =
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{
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10 * 4, /* %eax */
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9 * 4, /* %ecx */
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8 * 4, /* %edx */
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7 * 4, /* %ebx */
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14 * 4, /* %esp */
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6 * 4, /* %ebp */
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5 * 4, /* %esi */
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4 * 4, /* %edi */
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11 * 4, /* %eip */
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13 * 4, /* %eflags */
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12 * 4, /* %cs */
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15 * 4, /* %ss */
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3 * 4, /* %ds */
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2 * 4, /* %es */
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1 * 4, /* %fs */
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0 * 4 /* %gs */
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};
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/* From <machine/mcontext.h>. */
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int i386nbsd_mc_reg_offset[] =
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{
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11 * 4, /* %eax */
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10 * 4, /* %ecx */
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9 * 4, /* %edx */
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8 * 4, /* %ebx */
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7 * 4, /* %esp */
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6 * 4, /* %ebp */
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5 * 4, /* %esi */
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4 * 4, /* %edi */
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14 * 4, /* %eip */
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16 * 4, /* %eflags */
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15 * 4, /* %cs */
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18 * 4, /* %ss */
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3 * 4, /* %ds */
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2 * 4, /* %es */
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1 * 4, /* %fs */
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0 * 4 /* %gs */
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};
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static void i386nbsd_sigtramp_cache_init (const struct tramp_frame *,
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struct frame_info *,
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struct trad_frame_cache *,
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CORE_ADDR);
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static const struct tramp_frame i386nbsd_sigtramp_sc16 =
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{
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SIGTRAMP_FRAME,
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1,
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{
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{ 0x8d, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x10, -1 },
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/* leal 0x10(%esp), %eax */
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{ 0x50, -1 }, /* pushl %eax */
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{ 0x50, -1 }, /* pushl %eax */
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{ 0xb8, -1 }, { 0x27, -1 }, {0x01, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x127, %eax # __sigreturn14 */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x1, %eax # exit */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ TRAMP_SENTINEL_INSN, -1 }
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},
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i386nbsd_sigtramp_cache_init
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};
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static const struct tramp_frame i386nbsd_sigtramp_sc2 =
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{
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SIGTRAMP_FRAME,
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1,
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{
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{ 0x8d, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x0c, -1 },
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/* leal 0x0c(%esp), %eax */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x27, -1 }, {0x01, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x127, %eax # __sigreturn14 */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x1, %eax */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ TRAMP_SENTINEL_INSN, -1 }
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},
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i386nbsd_sigtramp_cache_init
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};
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static const struct tramp_frame i386nbsd_sigtramp_si2 =
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{
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SIGTRAMP_FRAME,
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1,
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{
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{ 0x8b, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x08, -1 },
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/* movl 8(%esp),%eax */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* movl $0x134, %eax # setcontext */
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{ 0xcd, -1 }, { 0x80, -1 },
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/* int $0x80 */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* movl $0x1, %eax */
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{ 0xcd, -1 }, { 0x80, -1 },
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/* int $0x80 */
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{ TRAMP_SENTINEL_INSN, -1 }
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},
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i386nbsd_sigtramp_cache_init
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};
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static const struct tramp_frame i386nbsd_sigtramp_si31 =
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{
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SIGTRAMP_FRAME,
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1,
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{
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{ 0x8d, -1 }, { 0x84, -1 }, { 0x24, -1 },
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{ 0x8c, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* leal 0x8c(%esp), %eax */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* movl $0x134, %eax # setcontext */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x1, %eax */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ TRAMP_SENTINEL_INSN, -1 }
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},
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i386nbsd_sigtramp_cache_init
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};
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static const struct tramp_frame i386nbsd_sigtramp_si4 =
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{
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SIGTRAMP_FRAME,
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1,
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{
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{ 0x8d, -1 }, { 0x84, -1 }, { 0x24, -1 },
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{ 0x8c, -1 }, { 0x00, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* leal 0x8c(%esp), %eax */
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{ 0x89, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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/* movl %eax, 0x4(%esp) */
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{ 0xb8, -1 }, { 0x34, -1 }, { 0x01, -1 }, { 0x00, -1 }, { 0x00, -1 },
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/* movl $0x134, %eax # setcontext */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ 0xc7, -1 }, { 0x44, -1 }, { 0x24, -1 }, { 0x04, -1 },
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{ 0xff, -1 }, { 0xff, -1 }, { 0xff, -1 }, { 0xff, -1 },
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/* movl $0xffffffff,0x4(%esp) */
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{ 0xb8, -1 }, { 0x01, -1 }, {0x00, -1 }, {0x00, -1 }, {0x00, -1 },
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/* movl $0x1, %eax */
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{ 0xcd, -1 }, { 0x80, -1},
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/* int $0x80 */
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{ TRAMP_SENTINEL_INSN, -1 }
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},
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i386nbsd_sigtramp_cache_init
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};
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static void
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i386nbsd_sigtramp_cache_init (const struct tramp_frame *self,
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struct frame_info *this_frame,
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struct trad_frame_cache *this_cache,
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CORE_ADDR func)
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{
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struct gdbarch *gdbarch = get_frame_arch (this_frame);
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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CORE_ADDR sp = get_frame_register_unsigned (this_frame, I386_ESP_REGNUM);
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CORE_ADDR base;
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int *reg_offset;
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int num_regs;
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int i;
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if (self == &i386nbsd_sigtramp_sc16 || self == &i386nbsd_sigtramp_sc2)
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{
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reg_offset = i386nbsd_sc_reg_offset;
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num_regs = ARRAY_SIZE (i386nbsd_sc_reg_offset);
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/* Read in the sigcontext address */
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base = read_memory_unsigned_integer (sp + 8, 4);
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}
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else
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{
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reg_offset = i386nbsd_mc_reg_offset;
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num_regs = ARRAY_SIZE (i386nbsd_mc_reg_offset);
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/* Read in the ucontext address */
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base = read_memory_unsigned_integer (sp + 8, 4);
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/* offsetof(ucontext_t, uc_mcontext) == 36 */
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base += 36;
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}
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for (i = 0; i < num_regs; i++)
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if (reg_offset[i] != -1)
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trad_frame_set_reg_addr (this_cache, i, base + reg_offset[i]);
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/* Construct the frame ID using the function start. */
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trad_frame_set_id (this_cache, frame_id_build (sp, func));
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}
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static void
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i386nbsd_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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/* Obviously NetBSD is BSD-based. */
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i386bsd_init_abi (info, gdbarch);
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/* NetBSD has a different `struct reg'. */
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tdep->gregset_reg_offset = i386nbsd_r_reg_offset;
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tdep->gregset_num_regs = ARRAY_SIZE (i386nbsd_r_reg_offset);
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tdep->sizeof_gregset = 16 * 4;
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/* NetBSD uses -freg-struct-return by default. */
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tdep->struct_return = reg_struct_return;
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/* NetBSD uses tramp_frame sniffers for signal trampolines. */
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tdep->sigcontext_addr= 0;
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tdep->sigtramp_start = 0;
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tdep->sigtramp_end = 0;
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tdep->sigtramp_p = 0;
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tdep->sc_reg_offset = 0;
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tdep->sc_num_regs = 0;
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tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_sc16);
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tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_sc2);
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tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si2);
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tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si31);
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tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si4);
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}
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/* NetBSD ELF. */
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static void
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i386nbsdelf_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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/* It's still NetBSD. */
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i386nbsd_init_abi (info, gdbarch);
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/* But ELF-based. */
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i386_elf_init_abi (info, gdbarch);
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/* NetBSD ELF uses SVR4-style shared libraries. */
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_ilp32_fetch_link_map_offsets);
|
||
|
||
/* NetBSD ELF uses -fpcc-struct-return by default. */
|
||
tdep->struct_return = pcc_struct_return;
|
||
}
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
extern initialize_file_ftype _initialize_i386nbsd_tdep;
|
||
|
||
void
|
||
_initialize_i386nbsd_tdep (void)
|
||
{
|
||
gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_NETBSD_ELF,
|
||
i386nbsdelf_init_abi);
|
||
}
|