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* alphafbsd-tdep.c: Update for unwinder changes.

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* alpha-linux-tdep.c: Likewise.
	* alphanbsd-tdep.c: Likewise.
	* alphaobsd-tdep.c: Likewise.
	* avr-tdep.c: Likewise.
	* cris-tdep.c: Likewise.
	* frv-linux-tdep.c: Likewise.
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	* h8300-tdep.c: Likewise.
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	* iq2000-tdep.c: Likewise.
	* m32c-tdep.c: Likewise.
	* m32r-linux-tdep.c: Likewise.
	* m32r-tdep.c: Likewise.
	* m68hc11-tdep.c: Likewise.
	* mep-tdep.c: Likewise.
	* mn10300-tdep.c: Likewise.
	* mt-tdep.c: Likewise.
	* score-tdep.c: Likewise.
	* sh64-tdep.c: Likewise.
	* sh-tdep.c: Likewise.
	* sparc64fbsd-tdep.c: Likewise.
	* sparc64nbsd-tdep.c: Likewise.
	* sparc64obsd-tdep.c: Likewise.
	* v850-tdep.c: Likewise.
	* vaxobsd-tdep.c: Likewise.
	* vax-tdep.c: Likewise.
	* xstormy16-tdep.c: Likewise.
This commit is contained in:
Ulrich Weigand
2008-06-28 17:29:04 +00:00
parent e111d6c920
commit 94afd7a6d3
29 changed files with 936 additions and 1210 deletions
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103
gdb/sh64-tdep.c
View File

@ -2263,7 +2263,7 @@ sh64_alloc_frame_cache (void)
}
static struct sh64_frame_cache *
sh64_frame_cache (struct frame_info *next_frame, void **this_cache)
sh64_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct gdbarch *gdbarch;
struct sh64_frame_cache *cache;
@ -2273,11 +2273,11 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache)
if (*this_cache)
return *this_cache;
gdbarch = get_frame_arch (next_frame);
gdbarch = get_frame_arch (this_frame);
cache = sh64_alloc_frame_cache ();
*this_cache = cache;
current_pc = frame_pc_unwind (next_frame);
current_pc = get_frame_pc (this_frame);
cache->media_mode = pc_is_isa32 (current_pc);
/* In principle, for normal frames, fp holds the frame pointer,
@ -2285,11 +2285,11 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache)
However, for functions that don't need it, the frame pointer is
optional. For these "frameless" functions the frame pointer is
actually the frame pointer of the calling frame. */
cache->base = frame_unwind_register_unsigned (next_frame, MEDIA_FP_REGNUM);
cache->base = get_frame_register_unsigned (this_frame, MEDIA_FP_REGNUM);
if (cache->base == 0)
return cache;
cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
sh64_analyze_prologue (gdbarch, cache, cache->pc, current_pc);
@ -2302,8 +2302,8 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache)
setup yet. Try to reconstruct the base address for the stack
frame by looking at the stack pointer. For truly "frameless"
functions this might work too. */
cache->base = frame_unwind_register_unsigned
(next_frame, gdbarch_sp_regnum (gdbarch));
cache->base = get_frame_register_unsigned
(this_frame, gdbarch_sp_regnum (gdbarch));
}
/* Now that we have the base address for the stack frame we can
@ -2319,33 +2319,17 @@ sh64_frame_cache (struct frame_info *next_frame, void **this_cache)
return cache;
}
static void
sh64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, gdb_byte *valuep)
static struct value *
sh64_frame_prev_register (struct frame_info *this_frame,
void **this_cache, int regnum)
{
struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache);
struct gdbarch *gdbarch = get_frame_arch (next_frame);
struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache);
struct gdbarch *gdbarch = get_frame_arch (this_frame);
gdb_assert (regnum >= 0);
if (regnum == gdbarch_sp_regnum (gdbarch) && cache->saved_sp)
{
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
if (valuep)
{
/* Store the value. */
store_unsigned_integer (valuep,
register_size (gdbarch,
gdbarch_sp_regnum (gdbarch)),
cache->saved_sp);
}
return;
}
frame_unwind_got_constant (this_frame, regnum, cache->saved_sp);
/* The PC of the previous frame is stored in the PR register of
the current frame. Frob regnum so that we pull the value from
@ -2355,42 +2339,26 @@ sh64_frame_prev_register (struct frame_info *next_frame, void **this_cache,
if (regnum < SIM_SH64_NR_REGS && cache->saved_regs[regnum] != -1)
{
int reg_size = register_size (gdbarch, regnum);
int size;
*optimizedp = 0;
*lvalp = lval_memory;
*addrp = cache->saved_regs[regnum];
*realnump = -1;
if (gdbarch_tdep (gdbarch)->sh_abi == SH_ABI_32
&& (regnum == MEDIA_FP_REGNUM || regnum == PR_REGNUM))
size = 4;
else
size = reg_size;
if (valuep)
{
memset (valuep, 0, reg_size);
if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_LITTLE)
read_memory (*addrp, valuep, size);
else
read_memory (*addrp, (char *) valuep + reg_size - size, size);
CORE_ADDR val;
val = read_memory_unsigned_integer (cache->saved_regs[regnum], 4);
return frame_unwind_got_constant (this_frame, regnum, val);
}
return;
return frame_unwind_got_memory (this_frame, regnum,
cache->saved_regs[regnum]);
}
*optimizedp = 0;
*lvalp = lval_register;
*addrp = 0;
*realnump = regnum;
if (valuep)
frame_unwind_register (next_frame, (*realnump), valuep);
return frame_unwind_got_register (this_frame, regnum, regnum);
}
static void
sh64_frame_this_id (struct frame_info *next_frame, void **this_cache,
sh64_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache);
struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
@ -2402,15 +2370,11 @@ sh64_frame_this_id (struct frame_info *next_frame, void **this_cache,
static const struct frame_unwind sh64_frame_unwind = {
NORMAL_FRAME,
sh64_frame_this_id,
sh64_frame_prev_register
sh64_frame_prev_register,
NULL,
default_frame_sniffer
};
static const struct frame_unwind *
sh64_frame_sniffer (struct frame_info *next_frame)
{
return &sh64_frame_unwind;
}
static CORE_ADDR
sh64_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
@ -2426,16 +2390,17 @@ sh64_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
}
static struct frame_id
sh64_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
sh64_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
return frame_id_build (sh64_unwind_sp (gdbarch, next_frame),
frame_pc_unwind (next_frame));
CORE_ADDR sp = get_frame_register_unsigned (this_frame,
gdbarch_sp_regnum (gdbarch));
return frame_id_build (sp, get_frame_pc (this_frame));
}
static CORE_ADDR
sh64_frame_base_address (struct frame_info *next_frame, void **this_cache)
sh64_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
struct sh64_frame_cache *cache = sh64_frame_cache (next_frame, this_cache);
struct sh64_frame_cache *cache = sh64_frame_cache (this_frame, this_cache);
return cache->base;
}
@ -2521,7 +2486,7 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_frame_align (gdbarch, sh64_frame_align);
set_gdbarch_unwind_sp (gdbarch, sh64_unwind_sp);
set_gdbarch_unwind_pc (gdbarch, sh64_unwind_pc);
set_gdbarch_unwind_dummy_id (gdbarch, sh64_unwind_dummy_id);
set_gdbarch_dummy_id (gdbarch, sh64_dummy_id);
frame_base_set_default (gdbarch, &sh64_frame_base);
set_gdbarch_print_registers_info (gdbarch, sh64_print_registers_info);
@ -2532,8 +2497,8 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
frame_unwind_append_sniffer (gdbarch, sh64_frame_sniffer);
dwarf2_append_unwinders (gdbarch);
frame_unwind_append_unwinder (gdbarch, &sh64_frame_unwind);
return gdbarch;
}