old-cross-binutils/gdb/hppabsd-tdep.c
Pedro Alves 63807e1d0d Silence a few -Wmissing-prototypes warnings.
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.
2009-02-22 01:02:20 +00:00

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/* Target-dependent code for HP PA-RISC BSD's.
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "objfiles.h"
#include "target.h"
#include "value.h"
#include "elf/common.h"
#include "hppa-tdep.h"
#include "hppabsd-tdep.h"
#include "solib-svr4.h"
static CORE_ADDR
hppabsd_find_global_pointer (struct gdbarch *gdbarch, struct value *function)
{
CORE_ADDR faddr = value_as_address (function);
struct obj_section *faddr_sec;
gdb_byte buf[4];
/* Is this a plabel? If so, dereference it to get the Global Pointer
value. */
if (faddr & 2)
{
if (target_read_memory ((faddr & ~3) + 4, buf, sizeof buf) == 0)
return extract_unsigned_integer (buf, sizeof buf);
}
/* If the address is in the .plt section, then the real function
hasn't yet been fixed up by the linker so we cannot determine the
Global Pointer for that function. */
if (in_plt_section (faddr, NULL))
return 0;
faddr_sec = find_pc_section (faddr);
if (faddr_sec != NULL)
{
struct obj_section *sec;
ALL_OBJFILE_OSECTIONS (faddr_sec->objfile, sec)
{
if (strcmp (sec->the_bfd_section->name, ".dynamic") == 0)
break;
}
if (sec < faddr_sec->objfile->sections_end)
{
CORE_ADDR addr = obj_section_addr (sec);
CORE_ADDR endaddr = obj_section_endaddr (sec);
while (addr < endaddr)
{
gdb_byte buf[4];
LONGEST tag;
if (target_read_memory (addr, buf, sizeof buf) != 0)
break;
tag = extract_signed_integer (buf, sizeof buf);
if (tag == DT_PLTGOT)
{
CORE_ADDR pltgot;
if (target_read_memory (addr + 4, buf, sizeof buf) != 0)
break;
/* The NetBSD/OpenBSD ld.so doesn't relocate DT_PLTGOT, so
we have to do it ourselves. */
pltgot = extract_unsigned_integer (buf, sizeof buf);
pltgot += ANOFFSET (sec->objfile->section_offsets,
SECT_OFF_TEXT (sec->objfile));
return pltgot;
}
if (tag == DT_NULL)
break;
addr += 8;
}
}
}
return 0;
}
void
hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* OpenBSD and NetBSD have a 64-bit 'long double'. */
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
/* OpenBSD and NetBSD use ELF. */
tdep->is_elf = 1;
tdep->find_global_pointer = hppabsd_find_global_pointer;
tdep->in_solib_call_trampoline = hppa_in_solib_call_trampoline;
set_gdbarch_skip_trampoline_code (gdbarch, hppa_skip_trampoline_code);
/* OpenBSD and NetBSD use SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}