diff options
Diffstat (limited to 'gdb/hppa-linux-tdep.c')
| -rw-r--r-- | gdb/hppa-linux-tdep.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gdb/hppa-linux-tdep.c b/gdb/hppa-linux-tdep.c index 439a6e0..c5d23f9 100644 --- a/gdb/hppa-linux-tdep.c +++ b/gdb/hppa-linux-tdep.c @@ -30,6 +30,7 @@ #include "trad-frame.h" #include "dwarf2-frame.h" #include "value.h" +#include "regset.h" #include "hppa-tdep.h" #include "elf/common.h" @@ -400,6 +401,112 @@ hppa_linux_find_global_pointer (struct value *function) } return 0; } + +/* + * Registers saved in a coredump: + * gr0..gr31 + * sr0..sr7 + * iaoq0..iaoq1 + * iasq0..iasq1 + * sar, iir, isr, ior, ipsw + * cr0, cr24..cr31 + * cr8,9,12,13 + * cr10, cr15 + */ + +#define GR_REGNUM(_n) (HPPA_R0_REGNUM+_n) +#define TR_REGNUM(_n) (HPPA_TR0_REGNUM+_n) +static const int greg_map[] = + { + GR_REGNUM(0), GR_REGNUM(1), GR_REGNUM(2), GR_REGNUM(3), + GR_REGNUM(4), GR_REGNUM(5), GR_REGNUM(6), GR_REGNUM(7), + GR_REGNUM(8), GR_REGNUM(9), GR_REGNUM(10), GR_REGNUM(11), + GR_REGNUM(12), GR_REGNUM(13), GR_REGNUM(14), GR_REGNUM(15), + GR_REGNUM(16), GR_REGNUM(17), GR_REGNUM(18), GR_REGNUM(19), + GR_REGNUM(20), GR_REGNUM(21), GR_REGNUM(22), GR_REGNUM(23), + GR_REGNUM(24), GR_REGNUM(25), GR_REGNUM(26), GR_REGNUM(27), + GR_REGNUM(28), GR_REGNUM(29), GR_REGNUM(30), GR_REGNUM(31), + + HPPA_SR4_REGNUM+1, HPPA_SR4_REGNUM+2, HPPA_SR4_REGNUM+3, HPPA_SR4_REGNUM+4, + HPPA_SR4_REGNUM, HPPA_SR4_REGNUM+5, HPPA_SR4_REGNUM+6, HPPA_SR4_REGNUM+7, + + HPPA_PCOQ_HEAD_REGNUM, HPPA_PCOQ_TAIL_REGNUM, + HPPA_PCSQ_HEAD_REGNUM, HPPA_PCSQ_TAIL_REGNUM, + + HPPA_SAR_REGNUM, HPPA_IIR_REGNUM, HPPA_ISR_REGNUM, HPPA_IOR_REGNUM, + HPPA_IPSW_REGNUM, HPPA_RCR_REGNUM, + + TR_REGNUM(0), TR_REGNUM(1), TR_REGNUM(2), TR_REGNUM(3), + TR_REGNUM(4), TR_REGNUM(5), TR_REGNUM(6), TR_REGNUM(7), + + HPPA_PID0_REGNUM, HPPA_PID1_REGNUM, HPPA_PID2_REGNUM, HPPA_PID3_REGNUM, + HPPA_CCR_REGNUM, HPPA_EIEM_REGNUM, + }; + +static void +hppa_linux_supply_regset (const struct regset *regset, + struct regcache *regcache, + int regnum, const void *regs, size_t len) +{ + struct gdbarch *arch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (arch); + const char *buf = regs; + int i, offset; + + offset = 0; + for (i = 0; i < ARRAY_SIZE (greg_map); i++) + { + if (regnum == greg_map[i] || regnum == -1) + regcache_raw_supply (regcache, greg_map[i], buf + offset); + + offset += tdep->bytes_per_address; + } +} + +static void +hppa_linux_supply_fpregset (const struct regset *regset, + struct regcache *regcache, + int regnum, const void *regs, size_t len) +{ + const char *buf = regs; + int i, offset; + + offset = 0; + for (i = 0; i < 31; i++) + { + if (regnum == HPPA_FP0_REGNUM + i || regnum == -1) + regcache_raw_supply (regcache, HPPA_FP0_REGNUM + i, + buf + offset); + offset += 8; + } +} + +/* Linux register set. */ +static struct regset hppa_linux_regset = +{ + NULL, + hppa_linux_supply_regset +}; + +static struct regset hppa_linux_fpregset = +{ + NULL, + hppa_linux_supply_fpregset +}; + +static const struct regset * +hppa_linux_regset_from_core_section (struct gdbarch *gdbarch, + const char *sect_name, + size_t sect_size) +{ + if (strcmp (sect_name, ".reg") == 0) + return &hppa_linux_regset; + else if (strcmp (sect_name, ".reg2") == 0) + return &hppa_linux_fpregset; + + return NULL; +} + /* Forward declarations. */ extern initialize_file_ftype _initialize_hppa_linux_tdep; @@ -433,6 +540,9 @@ hppa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) more work in gcc and glibc first. */ set_gdbarch_long_double_bit (gdbarch, 64); + set_gdbarch_regset_from_core_section + (gdbarch, hppa_linux_regset_from_core_section); + #if 0 /* Dwarf-2 unwinding support. Not yet working. */ set_gdbarch_dwarf_reg_to_regnum (gdbarch, hppa_dwarf_reg_to_regnum); @@ -450,4 +560,5 @@ void _initialize_hppa_linux_tdep (void) { gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_LINUX, hppa_linux_init_abi); + gdbarch_register_osabi (bfd_arch_hppa, bfd_mach_hppa20w, GDB_OSABI_LINUX, hppa_linux_init_abi); } |