X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fhppabsd-tdep.c;h=a11243365491e45c3e883f0c46758929e4912c97;hb=904001b085513a5d6b7734275f6fb90c860cf3be;hp=86de8eebf8a1a6ee2a714a25bef14b60dfb2a32a;hpb=6aba47ca06d9150c6196a374b745c2711b46e045;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/hppabsd-tdep.c b/gdb/hppabsd-tdep.c index 86de8eebf8..a112433654 100644 --- a/gdb/hppabsd-tdep.c +++ b/gdb/hppabsd-tdep.c @@ -1,12 +1,13 @@ /* Target-dependent code for HP PA-RISC BSD's. - Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. + 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 2 of the License, or + 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, @@ -15,85 +16,21 @@ 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., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ #include "defs.h" -#include "arch-utils.h" -#include "symtab.h" #include "objfiles.h" -#include "osabi.h" -#include "regcache.h" -#include "regset.h" #include "target.h" #include "value.h" -#include "gdb_assert.h" -#include "gdb_string.h" - #include "elf/common.h" #include "hppa-tdep.h" +#include "hppabsd-tdep.h" #include "solib-svr4.h" -/* Core file support. */ - -/* Sizeof `struct reg' in . */ -#define HPPABSD_SIZEOF_GREGS (34 * 4) - -/* Supply register REGNUM from the buffer specified by GREGS and LEN - in the general-purpose register set REGSET to register cache - REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ - -static void -hppabsd_supply_gregset (const struct regset *regset, struct regcache *regcache, - int regnum, const void *gregs, size_t len) -{ - const gdb_byte *regs = gregs; - size_t offset; - int i; - - gdb_assert (len >= HPPABSD_SIZEOF_GREGS); - - for (i = HPPA_R1_REGNUM, offset = 4; i <= HPPA_R31_REGNUM; i++, offset += 4) - { - if (regnum == -1 || regnum == i) - regcache_raw_supply (regcache, i, regs + offset); - } - - if (regnum == -1 || regnum == HPPA_SAR_REGNUM) - regcache_raw_supply (regcache, HPPA_SAR_REGNUM, regs); - if (regnum == -1 || regnum == HPPA_PCOQ_HEAD_REGNUM) - regcache_raw_supply (regcache, HPPA_PCOQ_HEAD_REGNUM, regs + 32 * 4); - if (regnum == -1 || regnum == HPPA_PCOQ_TAIL_REGNUM) - regcache_raw_supply (regcache, HPPA_PCOQ_TAIL_REGNUM, regs + 33 * 4); -} - -/* OpenBSD/hppa register set. */ - -static struct regset hppabsd_gregset = -{ - NULL, - hppabsd_supply_gregset -}; - -/* Return the appropriate register set for the core section identified - by SECT_NAME and SECT_SIZE. */ - -static const struct regset * -hppabsd_regset_from_core_section (struct gdbarch *gdbarch, - const char *sect_name, size_t sect_size) -{ - if (strcmp (sect_name, ".reg") == 0 && sect_size >= HPPABSD_SIZEOF_GREGS) - return &hppabsd_gregset; - - return NULL; -} - - -CORE_ADDR -hppabsd_find_global_pointer (struct value *function) +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; @@ -126,9 +63,10 @@ hppabsd_find_global_pointer (struct value *function) if (sec < faddr_sec->objfile->sections_end) { - CORE_ADDR addr = sec->addr; + CORE_ADDR addr = obj_section_addr (sec); + CORE_ADDR endaddr = obj_section_endaddr (sec); - while (addr < sec->endaddr) + while (addr < endaddr) { gdb_byte buf[4]; LONGEST tag; @@ -144,11 +82,12 @@ hppabsd_find_global_pointer (struct value *function) if (target_read_memory (addr + 4, buf, sizeof buf) != 0) break; - /* The OpenBSD ld.so doesn't relocate DT_PLTGOT, so + /* 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; } @@ -164,18 +103,14 @@ hppabsd_find_global_pointer (struct value *function) } -static void +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, &floatformat_ieee_double_big); - - /* Core file support. */ - set_gdbarch_regset_from_core_section - (gdbarch, hppabsd_regset_from_core_section); + set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double); /* OpenBSD and NetBSD use ELF. */ tdep->is_elf = 1; @@ -187,34 +122,3 @@ hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_solib_svr4_fetch_link_map_offsets (gdbarch, svr4_ilp32_fetch_link_map_offsets); } - - -/* OpenBSD uses uses the traditional NetBSD core file format, even for - ports that use ELF. */ -#define GDB_OSABI_NETBSD_CORE GDB_OSABI_OPENBSD_ELF - -static enum gdb_osabi -hppabsd_core_osabi_sniffer (bfd *abfd) -{ - if (strcmp (bfd_get_target (abfd), "netbsd-core") == 0) - return GDB_OSABI_NETBSD_CORE; - - return GDB_OSABI_UNKNOWN; -} - - -/* Provide a prototype to silence -Wmissing-prototypes. */ -void _initialize_hppabsd_tdep (void); - -void -_initialize_hppabsd_tdep (void) -{ - /* BFD doesn't set a flavour for NetBSD style a.out core files. */ - gdbarch_register_osabi_sniffer (bfd_arch_hppa, bfd_target_unknown_flavour, - hppabsd_core_osabi_sniffer); - - gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_NETBSD_ELF, - hppabsd_init_abi); - gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_OPENBSD_ELF, - hppabsd_init_abi); -}