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2005-03-30 Randolph Chung <tausq@debian.org> 

* hppa-linux-tdep.c: Include regset.h.
	(GR_REGNUM, TR_REGNUM, greg_map): New.
	(hppa_linux_supply_regset, hppa_linux_supply_fpregset): New.
	(hppa_linux_regset, hppa_linux_fpregset): New.
	(hppa_linux_regset_from_core_section): New.
	(hppa_linux_init_abi): Set regset_from_core_section.
	(_initialize_hppa_linux_tdep): Register osabi handler for
	64-bit Linux.
	* Makefile.in (hppa-linux-tdep.o): Update dependencies.
	* config/pa/linux.mh: Stop using core-regset.o
This commit is contained in:
Randolph Chung 2006-03-30 14:27:45 +00:00
parent 29d375acb5
commit 3d8dcac680
4 changed files with 127 additions and 3 deletions
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13
gdb/ChangeLog
View File

@ -1,3 +1,16 @@
2005-03-30 Randolph Chung <tausq@debian.org>
* hppa-linux-tdep.c: Include regset.h.
(GR_REGNUM, TR_REGNUM, greg_map): New.
(hppa_linux_supply_regset, hppa_linux_supply_fpregset): New.
(hppa_linux_regset, hppa_linux_fpregset): New.
(hppa_linux_regset_from_core_section): New.
(hppa_linux_init_abi): Set regset_from_core_section.
(_initialize_hppa_linux_tdep): Register osabi handler for
64-bit Linux.
* Makefile.in (hppa-linux-tdep.o): Update dependencies.
* config/pa/linux.mh: Stop using core-regset.o
2006-03-30 Randolph Chung <tausq@debian.org>
* hppa-tdep.c (hppa_find_unwind_entry_in_block): New.

2
gdb/Makefile.in
View File

@ -2033,7 +2033,7 @@ hppa-linux-nat.o: hppa-linux-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
hppa-linux-tdep.o: hppa-linux-tdep.c $(defs_h) $(gdbcore_h) $(osabi_h) \
$(target_h) $(objfiles_h) $(solib_svr4_h) $(glibc_tdep_h) \
$(frame_unwind_h) $(trad_frame_h) $(dwarf2_frame_h) $(value_h) \
$(hppa_tdep_h) $(elf_common_h)
$(hppa_tdep_h) $(elf_common_h) $(regset_h)
hppa-tdep.o: hppa-tdep.c $(defs_h) $(bfd_h) $(inferior_h) $(regcache_h) \
$(completer_h) $(osabi_h) $(gdb_assert_h) $(arch_utils_h) \
$(symtab_h) $(dis_asm_h) $(trad_frame_h) $(frame_unwind_h) \

4
gdb/config/pa/linux.mh
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@ -2,7 +2,7 @@
XDEPFILES=
NAT_FILE= nm-linux.h
NATDEPFILES= inf-ptrace.o fork-child.o corelow.o gcore.o \
core-regset.o hppa-linux-nat.o \
proc-service.o linux-thread-db.o linux-nat.o linux-fork.o
hppa-linux-nat.o proc-service.o linux-thread-db.o linux-nat.o \
linux-fork.o
LOADLIBES = -ldl -rdynamic

111
gdb/hppa-linux-tdep.c
View File

@ -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);
}