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* armobsd-tdep.c: Include "trad-frame.h" and "tramp-frame.h".

Browse source 
(armobsd_sigframe_init): New function.
(armobsd_sigframe): New variable.
(armobsd_init_abi): Prepend armobsd_sigframe unwinder.
* Makefile.in (armobsd-tdep.o): Update dependencies.
This commit is contained in:
Mark Kettenis 2006-07-18 21:10:28 +00:00
parent 08ae6d950d
commit e3ac4a1e11
3 changed files with 56 additions and 2 deletions
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8
gdb/ChangeLog
View file

@ -1,3 +1,11 @@
2006-07-18 Mark Kettenis <kettenis@gnu.org>
* armobsd-tdep.c: Include "trad-frame.h" and "tramp-frame.h".
(armobsd_sigframe_init): New function.
(armobsd_sigframe): New variable.
(armobsd_init_abi): Prepend armobsd_sigframe unwinder.
* Makefile.in (armobsd-tdep.o): Update dependencies.
2006-07-18 Denis PILAT <denis.pilat@st.com>
* monitor.c: Remove unused prototypes.

4
gdb/Makefile.in
View file

@ -1783,8 +1783,8 @@ armnbsd-nat.o: armnbsd-nat.c $(defs_h) $(gdbcore_h) $(inferior_h) \
$(regcache_h) $(target_h) $(gdb_string_h) $(arm_tdep_h) $(inf_ptrace_h)
armnbsd-tdep.o: armnbsd-tdep.c $(defs_h) $(osabi_h) $(gdb_string_h) \
$(arm_tdep_h) $(solib_svr4_h)
armobsd-tdep.o: armobsd-tdep.c $(defs_h) $(osabi_h) \
$(obsd_tdep_h) $(arm_tdep_h) $(solib_svr4_h)
armobsd-tdep.o: armobsd-tdep.c $(defs_h) $(osabi_h) $(trad_frame_h) \
$(tramp_frame_h) $(obsd_tdep_h) $(arm_tdep_h) $(solib_svr4_h)
arm-tdep.o: arm-tdep.c $(defs_h) $(frame_h) $(inferior_h) $(gdbcmd_h) \
$(gdbcore_h) $(gdb_string_h) $(dis_asm_h) $(regcache_h) \
$(doublest_h) $(value_h) $(arch_utils_h) $(osabi_h) \

46
gdb/armobsd-tdep.c
View file

@ -21,11 +21,55 @@
#include "defs.h"
#include "osabi.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "obsd-tdep.h"
#include "arm-tdep.h"
#include "solib-svr4.h"
/* Signal trampolines. */
static void
armobsd_sigframe_init (const struct tramp_frame *self,
struct frame_info *next_frame,
struct trad_frame_cache *cache,
CORE_ADDR func)
{
CORE_ADDR sp, sigcontext_addr, addr;
int regnum;
/* We find the appropriate instance of `struct sigcontext' at a
fixed offset in the signal frame. */
sp = frame_unwind_register_signed (next_frame, ARM_SP_REGNUM);
sigcontext_addr = sp + 16;
/* PC. */
trad_frame_set_reg_addr (cache, ARM_PC_REGNUM, sigcontext_addr + 76);
/* GPRs. */
for (regnum = ARM_A1_REGNUM, addr = sigcontext_addr + 12;
regnum <= ARM_LR_REGNUM; regnum++, addr += 4)
trad_frame_set_reg_addr (cache, regnum, addr);
trad_frame_set_id (cache, frame_id_build (sp, func));
}
static const struct tramp_frame armobsd_sigframe =
{
SIGTRAMP_FRAME,
4,
{
{ 0xe28d0010, -1 }, /* add r0, sp, #16 */
{ 0xef000067, -1 }, /* swi SYS_sigreturn */
{ 0xef000001, -1 }, /* swi SYS_exit */
{ 0xeafffffc, -1 }, /* b . - 8 */
{ TRAMP_SENTINEL_INSN, -1 }
},
armobsd_sigframe_init
};
static void
armobsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
@ -35,6 +79,8 @@ armobsd_init_abi (struct gdbarch_info info,
if (tdep->fp_model == ARM_FLOAT_AUTO)
tdep->fp_model = ARM_FLOAT_SOFT_VFP;
tramp_frame_prepend_unwinder (gdbarch, &armobsd_sigframe);
/* OpenBSD/arm uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);