forked from Imagelibrary/binutils-gdb
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.
151 lines
5.0 KiB
C
151 lines
5.0 KiB
C
/* Target-dependent code for the IA-64 for GDB, the GNU debugger.
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Copyright (C) 2000, 2004, 2005, 2007, 2008, 2009
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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 "ia64-tdep.h"
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#include "arch-utils.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "osabi.h"
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#include "solib-svr4.h"
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#include "symtab.h"
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/* The sigtramp code is in a non-readable (executable-only) region
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of memory called the ``gate page''. The addresses in question
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were determined by examining the system headers. They are
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overly generous to allow for different pages sizes. */
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#define GATE_AREA_START 0xa000000000000100LL
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#define GATE_AREA_END 0xa000000000020000LL
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/* Offset to sigcontext structure from frame of handler */
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#define IA64_LINUX_SIGCONTEXT_OFFSET 192
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static int
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ia64_linux_pc_in_sigtramp (CORE_ADDR pc)
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{
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return (pc >= (CORE_ADDR) GATE_AREA_START && pc < (CORE_ADDR) GATE_AREA_END);
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}
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/* IA-64 GNU/Linux specific function which, given a frame address and
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a register number, returns the address at which that register may be
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found. 0 is returned for registers which aren't stored in the the
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sigcontext structure. */
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static CORE_ADDR
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ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
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{
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char buf[8];
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CORE_ADDR sigcontext_addr = 0;
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/* The address of the sigcontext area is found at offset 16 in the sigframe. */
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read_memory (sp + 16, buf, 8);
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sigcontext_addr = extract_unsigned_integer (buf, 8);
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if (IA64_GR0_REGNUM <= regno && regno <= IA64_GR31_REGNUM)
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return sigcontext_addr + 200 + 8 * (regno - IA64_GR0_REGNUM);
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else if (IA64_BR0_REGNUM <= regno && regno <= IA64_BR7_REGNUM)
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return sigcontext_addr + 136 + 8 * (regno - IA64_BR0_REGNUM);
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else if (IA64_FR0_REGNUM <= regno && regno <= IA64_FR127_REGNUM)
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return sigcontext_addr + 464 + 16 * (regno - IA64_FR0_REGNUM);
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else
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switch (regno)
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{
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case IA64_IP_REGNUM :
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return sigcontext_addr + 40;
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case IA64_CFM_REGNUM :
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return sigcontext_addr + 48;
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case IA64_PSR_REGNUM :
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return sigcontext_addr + 56; /* user mask only */
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/* sc_ar_rsc is provided, from which we could compute bspstore, but
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I don't think it's worth it. Anyway, if we want it, it's at offset
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64 */
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case IA64_BSP_REGNUM :
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return sigcontext_addr + 72;
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case IA64_RNAT_REGNUM :
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return sigcontext_addr + 80;
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case IA64_CCV_REGNUM :
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return sigcontext_addr + 88;
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case IA64_UNAT_REGNUM :
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return sigcontext_addr + 96;
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case IA64_FPSR_REGNUM :
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return sigcontext_addr + 104;
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case IA64_PFS_REGNUM :
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return sigcontext_addr + 112;
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case IA64_LC_REGNUM :
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return sigcontext_addr + 120;
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case IA64_PR_REGNUM :
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return sigcontext_addr + 128;
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default :
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return 0;
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}
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}
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static void
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ia64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
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{
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ia64_write_pc (regcache, pc);
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/* We must be careful with modifying the instruction-pointer: if we
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just interrupt a system call, the kernel would ordinarily try to
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restart it when we resume the inferior, which typically results
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in SIGSEGV or SIGILL. We prevent this by clearing r10, which
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will tell the kernel that r8 does NOT contain a valid error code
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and hence it will skip system-call restart.
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The clearing of r10 is safe as long as ia64_write_pc() is only
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called as part of setting up an inferior call. */
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regcache_cooked_write_unsigned (regcache, IA64_GR10_REGNUM, 0);
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}
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static void
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ia64_linux_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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/* Set the method of obtaining the sigcontext addresses at which
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registers are saved. */
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tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
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/* Set the pc_in_sigtramp method. */
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tdep->pc_in_sigtramp = ia64_linux_pc_in_sigtramp;
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set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);
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set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_lp64_fetch_link_map_offsets);
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/* Enable TLS support. */
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set_gdbarch_fetch_tls_load_module_address (gdbarch,
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svr4_fetch_objfile_link_map);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern initialize_file_ftype _initialize_ia64_linux_tdep;
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void
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_initialize_ia64_linux_tdep (void)
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{
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gdbarch_register_osabi (bfd_arch_ia64, 0, GDB_OSABI_LINUX,
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ia64_linux_init_abi);
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}
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