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* alpha-mdebug-tdep.c: Include "trad-frame.h".

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(struct alpha_mdebug_unwind_cache): Change type of SAVED_REGS to
	struct trad_frame_saved_reg *.
	(alpha_mdebug_frame_unwind_cache): Allocate SAVED_REGS using
	trad_frame_alloc_saved_regs.  Update accesses.  Record previous
	value of SP as being vfp.
	(alpha_mdebug_frame_prev_register): Use trad_frame_get_prev_register.
	* Makefile.in (alpha-mdebug-tdep.o): Update dependencies.
This commit is contained in:
Ulrich Weigand 2008-05-21 14:47:26 +00:00
parent 45f111cc65
commit 0cd9ab92e5
3 changed files with 25 additions and 20 deletions
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11
gdb/ChangeLog
View file

@ -1,3 +1,14 @@
2008-05-21 Ulrich Weigand <uweigand@de.ibm.com>
* alpha-mdebug-tdep.c: Include "trad-frame.h".
(struct alpha_mdebug_unwind_cache): Change type of SAVED_REGS to
struct trad_frame_saved_reg *.
(alpha_mdebug_frame_unwind_cache): Allocate SAVED_REGS using
trad_frame_alloc_saved_regs. Update accesses. Record previous
value of SP as being vfp.
(alpha_mdebug_frame_prev_register): Use trad_frame_get_prev_register.
* Makefile.in (alpha-mdebug-tdep.o): Update dependencies.
2008-05-21 Markus Deuling <deuling@de.ibm.com>
* score-tdep.c (score_print_insn): Get the current endianess from

4
gdb/Makefile.in
View file

@ -1862,8 +1862,8 @@ alpha-linux-tdep.o: alpha-linux-tdep.c $(defs_h) $(frame_h) $(gdb_assert_h) \
$(regcache_h) $(alpha_tdep_h)
alpha-mdebug-tdep.o: alpha-mdebug-tdep.c $(defs_h) $(frame_h) \
$(frame_unwind_h) $(frame_base_h) $(symtab_h) $(gdbcore_h) \
$(block_h) $(gdb_assert_h) $(gdb_string_h) $(alpha_tdep_h) \
$(mdebugread_h)
$(block_h) $(gdb_assert_h) $(gdb_string_h) $(trad_frame_h) \
$(alpha_tdep_h) $(mdebugread_h)
alpha-nat.o: alpha-nat.c $(defs_h) $(gdb_string_h) $(inferior_h) \
$(gdbcore_h) $(target_h) $(regcache_h) $(alpha_tdep_h) $(gregset_h)
alphanbsd-tdep.o: alphanbsd-tdep.c $(defs_h) $(frame_h) $(gdbcore_h) \

30
gdb/alpha-mdebug-tdep.c
View file

@ -26,6 +26,7 @@
#include "block.h"
#include "gdb_assert.h"
#include "gdb_string.h"
#include "trad-frame.h"
#include "alpha-tdep.h"
#include "mdebugread.h"
@ -170,7 +171,7 @@ struct alpha_mdebug_unwind_cache
{
struct mdebug_extra_func_info *proc_desc;
CORE_ADDR vfp;
CORE_ADDR *saved_regs;
struct trad_frame_saved_reg *saved_regs;
};
/* Extract all of the information about the frame from PROC_DESC
@ -201,7 +202,7 @@ alpha_mdebug_frame_unwind_cache (struct frame_info *this_frame,
info->proc_desc = proc_desc;
gdb_assert (proc_desc != NULL);
info->saved_regs = frame_obstack_zalloc (SIZEOF_FRAME_SAVED_REGS);
info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
/* The VFP of the frame is at FRAME_REG+FRAME_OFFSET. */
vfp = get_frame_register_unsigned (this_frame, PROC_FRAME_REG (proc_desc));
@ -221,14 +222,14 @@ alpha_mdebug_frame_unwind_cache (struct frame_info *this_frame,
/* Clear bit for RA so we don't save it again later. */
mask &= ~(1 << returnreg);
info->saved_regs[returnreg] = reg_position;
info->saved_regs[returnreg].addr = reg_position;
reg_position += 8;
}
for (ireg = 0; ireg <= 31; ++ireg)
if (mask & (1 << ireg))
{
info->saved_regs[ireg] = reg_position;
info->saved_regs[ireg].addr = reg_position;
reg_position += 8;
}
@ -238,10 +239,15 @@ alpha_mdebug_frame_unwind_cache (struct frame_info *this_frame,
for (ireg = 0; ireg <= 31; ++ireg)
if (mask & (1 << ireg))
{
info->saved_regs[ALPHA_FP0_REGNUM + ireg] = reg_position;
info->saved_regs[ALPHA_FP0_REGNUM + ireg].addr = reg_position;
reg_position += 8;
}
/* The stack pointer of the previous frame is computed by popping
the current stack frame. */
if (!trad_frame_addr_p (info->saved_regs, ALPHA_SP_REGNUM))
trad_frame_set_value (info->saved_regs, ALPHA_SP_REGNUM, vfp);
return info;
}
@ -274,19 +280,7 @@ alpha_mdebug_frame_prev_register (struct frame_info *this_frame,
if (regnum == ALPHA_PC_REGNUM)
regnum = PROC_PC_REG (info->proc_desc);
/* For all registers known to be saved in the current frame,
do the obvious and pull the value out. */
if (info->saved_regs[regnum])
return frame_unwind_got_memory (this_frame, regnum,
info->saved_regs[regnum]);
/* The stack pointer of the previous frame is computed by popping
the current stack frame. */
if (regnum == ALPHA_SP_REGNUM)
return frame_unwind_got_constant (this_frame, regnum, info->vfp);
/* Otherwise assume the next frame has the same register value. */
return frame_unwind_got_register (this_frame, regnum, regnum);
return trad_frame_get_prev_register (this_frame, info->saved_regs, regnum);
}
static int