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* m88k-tdep.c: Update for unwinder changes.

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This commit is contained in:
Ulrich Weigand
2008-08-25 21:03:29 +00:00
parent c325a20333
commit ed0c390641
2 changed files with 37 additions and 47 deletions
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4
gdb/ChangeLog
View File

@ -1,3 +1,7 @@
2008-08-25 Ulrich Weigand <uweigand@de.ibm.com>
* m88k-tdep.c: Update for unwinder changes.
2008-08-24 Tom Tromey <tromey@redhat.com> 2008-08-24 Tom Tromey <tromey@redhat.com>
* s390-tdep.c (s390_address_class_type_flags): Use * s390-tdep.c (s390_address_class_type_flags): Use

76
gdb/m88k-tdep.c
View File

@ -365,12 +365,12 @@ m88k_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
} }
static struct frame_id static struct frame_id
m88k_unwind_dummy_id (struct gdbarch *arch, struct frame_info *next_frame) m88k_dummy_id (struct gdbarch *arch, struct frame_info *this_frame)
{ {
CORE_ADDR sp; CORE_ADDR sp;
sp = frame_unwind_register_unsigned (next_frame, M88K_R31_REGNUM); sp = get_frame_register_unsigned (this_frame, M88K_R31_REGNUM);
return frame_id_build (sp, frame_pc_unwind (next_frame)); return frame_id_build (sp, get_frame_pc (this_frame));
} }
@ -645,7 +645,7 @@ m88k_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
} }
struct m88k_frame_cache * struct m88k_frame_cache *
m88k_frame_cache (struct frame_info *next_frame, void **this_cache) m88k_frame_cache (struct frame_info *this_frame, void **this_cache)
{ {
struct m88k_frame_cache *cache; struct m88k_frame_cache *cache;
CORE_ADDR frame_sp; CORE_ADDR frame_sp;
@ -654,19 +654,19 @@ m88k_frame_cache (struct frame_info *next_frame, void **this_cache)
return *this_cache; return *this_cache;
cache = FRAME_OBSTACK_ZALLOC (struct m88k_frame_cache); cache = FRAME_OBSTACK_ZALLOC (struct m88k_frame_cache);
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame); cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
cache->fp_offset = -1; cache->fp_offset = -1;
cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME); cache->pc = get_frame_func (this_frame);
if (cache->pc != 0) if (cache->pc != 0)
m88k_analyze_prologue (cache->pc, frame_pc_unwind (next_frame), cache); m88k_analyze_prologue (cache->pc, get_frame_pc (this_frame), cache);
/* Calculate the stack pointer used in the prologue. */ /* Calculate the stack pointer used in the prologue. */
if (cache->fp_offset != -1) if (cache->fp_offset != -1)
{ {
CORE_ADDR fp; CORE_ADDR fp;
fp = frame_unwind_register_unsigned (next_frame, M88K_R30_REGNUM); fp = get_frame_register_unsigned (this_frame, M88K_R30_REGNUM);
frame_sp = fp - cache->fp_offset; frame_sp = fp - cache->fp_offset;
} }
else else
@ -675,7 +675,7 @@ m88k_frame_cache (struct frame_info *next_frame, void **this_cache)
solid guess at what the frame pointer should be. */ solid guess at what the frame pointer should be. */
if (cache->saved_regs[M88K_R1_REGNUM].addr != -1) if (cache->saved_regs[M88K_R1_REGNUM].addr != -1)
cache->fp_offset = cache->saved_regs[M88K_R1_REGNUM].addr - 4; cache->fp_offset = cache->saved_regs[M88K_R1_REGNUM].addr - 4;
frame_sp = frame_unwind_register_unsigned (next_frame, M88K_R31_REGNUM); frame_sp = get_frame_register_unsigned (this_frame, M88K_R31_REGNUM);
} }
/* Now that we know the stack pointer, adjust the location of the /* Now that we know the stack pointer, adjust the location of the
@ -700,10 +700,10 @@ m88k_frame_cache (struct frame_info *next_frame, void **this_cache)
} }
static void static void
m88k_frame_this_id (struct frame_info *next_frame, void **this_cache, m88k_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id) struct frame_id *this_id)
{ {
struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache); struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */ /* This marks the outermost frame. */
if (cache->base == 0) if (cache->base == 0)
@ -712,60 +712,46 @@ m88k_frame_this_id (struct frame_info *next_frame, void **this_cache,
(*this_id) = frame_id_build (cache->base, cache->pc); (*this_id) = frame_id_build (cache->base, cache->pc);
} }
static void static struct value *
m88k_frame_prev_register (struct frame_info *next_frame, void **this_cache, m88k_frame_prev_register (struct frame_info *this_frame,
int regnum, int *optimizedp, void **this_cache, int regnum)
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, gdb_byte *valuep)
{ {
struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache); struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
if (regnum == M88K_SNIP_REGNUM || regnum == M88K_SFIP_REGNUM) if (regnum == M88K_SNIP_REGNUM || regnum == M88K_SFIP_REGNUM)
{ {
if (valuep) struct value *value;
{
CORE_ADDR pc; CORE_ADDR pc;
trad_frame_get_prev_register (next_frame, cache->saved_regs, value = trad_frame_get_prev_register (this_frame, cache->saved_regs,
M88K_SXIP_REGNUM, optimizedp, M88K_SXIP_REGNUM);
lvalp, addrp, realnump, valuep); pc = value_as_long (value);
release_value (value);
value_free (value);
pc = extract_unsigned_integer (valuep, 4);
if (regnum == M88K_SFIP_REGNUM) if (regnum == M88K_SFIP_REGNUM)
pc += 4; pc += 4;
store_unsigned_integer (valuep, 4, pc + 4);
return frame_unwind_got_constant (this_frame, regnum, pc + 4);
} }
/* It's a computed value. */ return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
return;
}
trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, valuep);
} }
static const struct frame_unwind m88k_frame_unwind = static const struct frame_unwind m88k_frame_unwind =
{ {
NORMAL_FRAME, NORMAL_FRAME,
m88k_frame_this_id, m88k_frame_this_id,
m88k_frame_prev_register m88k_frame_prev_register,
NULL,
default_frame_sniffer
}; };
static const struct frame_unwind *
m88k_frame_sniffer (struct frame_info *next_frame)
{
return &m88k_frame_unwind;
}
static CORE_ADDR static CORE_ADDR
m88k_frame_base_address (struct frame_info *next_frame, void **this_cache) m88k_frame_base_address (struct frame_info *this_frame, void **this_cache)
{ {
struct m88k_frame_cache *cache = m88k_frame_cache (next_frame, this_cache); struct m88k_frame_cache *cache = m88k_frame_cache (this_frame, this_cache);
if (cache->fp_offset != -1) if (cache->fp_offset != -1)
return cache->base + cache->sp_offset + cache->fp_offset; return cache->base + cache->sp_offset + cache->fp_offset;
@ -863,7 +849,7 @@ m88k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Call dummy code. */ /* Call dummy code. */
set_gdbarch_push_dummy_call (gdbarch, m88k_push_dummy_call); set_gdbarch_push_dummy_call (gdbarch, m88k_push_dummy_call);
set_gdbarch_unwind_dummy_id (gdbarch, m88k_unwind_dummy_id); set_gdbarch_dummy_id (gdbarch, m88k_dummy_id);
/* Return value info */ /* Return value info */
set_gdbarch_return_value (gdbarch, m88k_return_value); set_gdbarch_return_value (gdbarch, m88k_return_value);
@ -874,7 +860,7 @@ m88k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_write_pc (gdbarch, m88k_write_pc); set_gdbarch_write_pc (gdbarch, m88k_write_pc);
frame_base_set_default (gdbarch, &m88k_frame_base); frame_base_set_default (gdbarch, &m88k_frame_base);
frame_unwind_append_sniffer (gdbarch, m88k_frame_sniffer); frame_unwind_append_unwinder (gdbarch, &m88k_frame_unwind);
return gdbarch; return gdbarch;
} }