diff options
Diffstat (limited to 'gdb/hppabsd-tdep.c')
| -rw-r--r-- | gdb/hppabsd-tdep.c | 104 |
1 files changed, 3 insertions, 101 deletions
diff --git a/gdb/hppabsd-tdep.c b/gdb/hppabsd-tdep.c index 26605f3..f5a31cf 100644 --- a/gdb/hppabsd-tdep.c +++ b/gdb/hppabsd-tdep.c @@ -18,79 +18,15 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "defs.h" -#include "arch-utils.h" -#include "gdbtypes.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 "solib-svr4.h" -/* Core file support. */ - -/* Sizeof `struct reg' in <machine/reg.h>. */ -#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) { @@ -143,11 +79,12 @@ 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; } @@ -163,7 +100,7 @@ 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); @@ -172,10 +109,6 @@ hppabsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_long_double_bit (gdbarch, 64); set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double); - /* Core file support. */ - set_gdbarch_regset_from_core_section - (gdbarch, hppabsd_regset_from_core_section); - /* OpenBSD and NetBSD use ELF. */ tdep->is_elf = 1; tdep->find_global_pointer = hppabsd_find_global_pointer; @@ -186,34 +119,3 @@ 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); -} |