darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

* mips64obsd-tdep.c: Include "trad-frame.h", "tramp-frame.h" and

Browse source 
"gdb_assert.h".
(mips64obsd_sigframe_init): New function.
(mips64obsd_sigframe): New variable.
(mips64obsd_init_abi): Add comments.  Prepend mips64obsd_sigrame
unwinder.
* Makefile.in (mips64obsd-tdep.o): Update dependencies.
This commit is contained in:
Mark Kettenis 2004-11-07 17:02:44 +00:00
parent 9cf0961bb8
commit 8e763687bf
3 changed files with 73 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
gdb/ChangeLog
View file

@ -1,3 +1,13 @@
2004-11-07 Mark Kettenis <kettenis@gnu.org>
* mips64obsd-tdep.c: Include "trad-frame.h", "tramp-frame.h" and
"gdb_assert.h".
(mips64obsd_sigframe_init): New function.
(mips64obsd_sigframe): New variable.
(mips64obsd_init_abi): Add comments. Prepend mips64obsd_sigrame
unwinder.
* Makefile.in (mips64obsd-tdep.o): Update dependencies.
2004-11-06 Joel Brobecker <brobecker@gnat.com>
* alpha-mdebug-tdep.c: #include mdebugread.h.

3
gdb/Makefile.in
View file

@ -2238,7 +2238,8 @@ minsyms.o: minsyms.c $(defs_h) $(gdb_string_h) $(symtab_h) $(bfd_h) \
mips64obsd-nat.o: mips64obsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
$(target_h) $(inf_ptrace_h)
mips64obsd-tdep.o: mips64obsd-tdep.c $(defs_h) $(osabi_h) $(regcache_h) \
$(regset_h) $(gdb_string_h) $(mips_tdep_h) $(solib_svr4_h)
$(regset_h) $(trad_frame_h) $(tramp_frame_h) $gdb_assert_h) \
$(gdb_string_h) $(mips_tdep_h) $(solib_svr4_h)
mips-irix-tdep.o: mips-irix-tdep.c $(defs_h) $(osabi_h) $(elf_bfd_h)
mips-linux-nat.o: mips-linux-nat.c $(defs_h) $(mips_tdep_h)
mips-linux-tdep.o: mips-linux-tdep.c $(defs_h) $(gdbcore_h) $(target_h) \

61
gdb/mips64obsd-tdep.c
View file

@ -23,7 +23,10 @@
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "gdb_assert.h"
#include "gdb_string.h"
#include "mips-tdep.h"
@ -74,14 +77,72 @@ mips64obsd_regset_from_core_section (struct gdbarch *gdbarch,
}
/* Signal trampolines. */
static void
mips64obsd_sigframe_init (const struct tramp_frame *self,
struct frame_info *next_frame,
struct trad_frame_cache *cache,
CORE_ADDR func)
{
struct gdbarch *gdbarch = get_frame_arch (next_frame);
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, MIPS_SP_REGNUM + NUM_REGS);
sigcontext_addr = sp + 32;
/* PC. */
regnum = mips_regnum (gdbarch)->pc;
trad_frame_set_reg_addr (cache, regnum + NUM_REGS, sigcontext_addr + 16);
/* GPRs. */
for (regnum = MIPS_AT_REGNUM, addr = sigcontext_addr + 32;
regnum <= MIPS_RA_REGNUM; regnum++, addr += 8)
trad_frame_set_reg_addr (cache, regnum + NUM_REGS, addr);
/* HI and LO. */
regnum = mips_regnum (gdbarch)->lo;
trad_frame_set_reg_addr (cache, regnum + NUM_REGS, sigcontext_addr + 280);
regnum = mips_regnum (gdbarch)->hi;
trad_frame_set_reg_addr (cache, regnum + NUM_REGS, sigcontext_addr + 288);
/* TODO: Handle the floating-point registers. */
trad_frame_set_id (cache, frame_id_build (sp, func));
}
static const struct tramp_frame mips64obsd_sigframe =
{
SIGTRAMP_FRAME,
MIPS_INSN32_SIZE,
{
{ 0x67a40020, -1 }, /* daddiu a0,sp,32 */
{ 0x24020067, -1 }, /* li v0,103 */
{ 0x0000000c, -1 }, /* syscall */
{ 0x0000000d, -1 }, /* break */
{ TRAMP_SENTINEL_INSN, -1 }
},
mips64obsd_sigframe_init
};
static void
mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD/mips64 only supports the n64 ABI, but the braindamaged
way GDB works, forces us to pretend we can handle them all. */
set_gdbarch_regset_from_core_section
(gdbarch, mips64obsd_regset_from_core_section);
tramp_frame_prepend_unwinder (gdbarch, &mips64obsd_sigframe);
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
/* OpenBSD/mips64 has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}