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* sparc-tdep.c, sparc-tdep.h, sparc-sol2-tdep.c, sparc64-tdep.c,

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sparc64-sol2-tdep.c: Update for unwinder changes.
This commit is contained in:
Joel Brobecker
2008-05-07 19:30:04 +00:00
parent 8374f9d4b5
commit 236369e7e7
6 changed files with 141 additions and 208 deletions
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128
gdb/sparc-tdep.c
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@@ -768,10 +768,10 @@ sparc_analyze_prologue (struct gdbarch *gdbarch, CORE_ADDR pc,
}
static CORE_ADDR
sparc_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
sparc_unwind_pc (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
return frame_unwind_register_unsigned (next_frame, tdep->pc_regnum);
return frame_unwind_register_unsigned (this_frame, tdep->pc_regnum);
}
/* Return PC of first real instruction of the function starting at
@@ -830,7 +830,7 @@ sparc32_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
/* Normal frames. */
struct sparc_frame_cache *
sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
sparc_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct sparc_frame_cache *cache;
@@ -840,10 +840,10 @@ sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
cache = sparc_alloc_frame_cache ();
*this_cache = cache;
cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
sparc_analyze_prologue (get_frame_arch (next_frame), cache->pc,
frame_pc_unwind (next_frame), cache);
sparc_analyze_prologue (get_frame_arch (this_frame), cache->pc,
get_frame_pc (this_frame), cache);
if (cache->frameless_p)
{
@@ -851,14 +851,14 @@ sparc_frame_cache (struct frame_info *next_frame, void **this_cache)
pointer for our calling frame. Use %sp (%o6) as this frame's
base address. */
cache->base =
frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM);
get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
}
else
{
/* For normal frames, %fp (%i6) holds the frame pointer, the
base address for the current stack frame. */
cache->base =
frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);
}
if (cache->base & 1)
@@ -885,7 +885,7 @@ sparc32_struct_return_from_sym (struct symbol *sym)
}
struct sparc_frame_cache *
sparc32_frame_cache (struct frame_info *next_frame, void **this_cache)
sparc32_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct sparc_frame_cache *cache;
struct symbol *sym;
@@ -893,7 +893,7 @@ sparc32_frame_cache (struct frame_info *next_frame, void **this_cache)
if (*this_cache)
return *this_cache;
cache = sparc_frame_cache (next_frame, this_cache);
cache = sparc_frame_cache (this_frame, this_cache);
sym = find_pc_function (cache->pc);
if (sym)
@@ -911,7 +911,7 @@ sparc32_frame_cache (struct frame_info *next_frame, void **this_cache)
CORE_ADDR pc;
int regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
pc = frame_unwind_register_unsigned (next_frame, regnum) + 8;
pc = get_frame_register_unsigned (this_frame, regnum) + 8;
if (sparc_is_unimp_insn (pc))
cache->struct_return_p = 1;
}
@@ -920,11 +920,11 @@ sparc32_frame_cache (struct frame_info *next_frame, void **this_cache)
}
static void
sparc32_frame_this_id (struct frame_info *next_frame, void **this_cache,
sparc32_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
struct sparc_frame_cache *cache =
sparc32_frame_cache (next_frame, this_cache);
sparc32_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
@@ -933,36 +933,26 @@ sparc32_frame_this_id (struct frame_info *next_frame, void **this_cache,
(*this_id) = frame_id_build (cache->base, cache->pc);
}
static void
sparc32_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 *
sparc32_frame_prev_register (struct frame_info *this_frame,
void **this_cache, int regnum)
{
struct sparc_frame_cache *cache =
sparc32_frame_cache (next_frame, this_cache);
sparc32_frame_cache (this_frame, this_cache);
if (regnum == SPARC32_PC_REGNUM || regnum == SPARC32_NPC_REGNUM)
{
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
if (valuep)
{
CORE_ADDR pc = (regnum == SPARC32_NPC_REGNUM) ? 4 : 0;
CORE_ADDR pc = (regnum == SPARC32_NPC_REGNUM) ? 4 : 0;
/* If this functions has a Structure, Union or
Quad-Precision return value, we have to skip the UNIMP
instruction that encodes the size of the structure. */
if (cache->struct_return_p)
pc += 4;
/* If this functions has a Structure, Union or Quad-Precision
return value, we have to skip the UNIMP instruction that encodes
the size of the structure. */
if (cache->struct_return_p)
pc += 4;
regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
pc += frame_unwind_register_unsigned (next_frame, regnum) + 8;
store_unsigned_integer (valuep, 4, pc);
}
return;
regnum = cache->frameless_p ? SPARC_O7_REGNUM : SPARC_I7_REGNUM;
pc += get_frame_register_unsigned (this_frame, regnum) + 8;
return frame_unwind_got_constant (this_frame, regnum, pc);
}
/* Handle StackGhost. */
@@ -971,20 +961,12 @@ sparc32_frame_prev_register (struct frame_info *next_frame, void **this_cache,
if (wcookie != 0 && !cache->frameless_p && regnum == SPARC_I7_REGNUM)
{
*optimizedp = 0;
*lvalp = not_lval;
*addrp = 0;
*realnump = -1;
if (valuep)
{
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
ULONGEST i7;
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
ULONGEST i7;
/* Read the value in from memory. */
i7 = get_frame_memory_unsigned (next_frame, addr, 4);
store_unsigned_integer (valuep, 4, i7 ^ wcookie);
}
return;
/* Read the value in from memory. */
i7 = get_frame_memory_unsigned (this_frame, addr, 4);
return frame_unwind_got_constant (this_frame, regnum, i7 ^ wcookie);
}
}
@@ -993,53 +975,35 @@ sparc32_frame_prev_register (struct frame_info *next_frame, void **this_cache,
if (!cache->frameless_p
&& regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM)
{
*optimizedp = 0;
*lvalp = lval_memory;
*addrp = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
*realnump = -1;
if (valuep)
{
struct gdbarch *gdbarch = get_frame_arch (next_frame);
CORE_ADDR addr = cache->base + (regnum - SPARC_L0_REGNUM) * 4;
/* Read the value in from memory. */
read_memory (*addrp, valuep, register_size (gdbarch, regnum));
}
return;
return frame_unwind_got_memory (this_frame, regnum, addr);
}
/* The previous frame's `out' registers are accessable as the
/* The previous frame's `out' registers are accessible as the
current frame's `in' registers. */
if (!cache->frameless_p
&& regnum >= SPARC_O0_REGNUM && regnum <= SPARC_O7_REGNUM)
regnum += (SPARC_I0_REGNUM - SPARC_O0_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 const struct frame_unwind sparc32_frame_unwind =
{
NORMAL_FRAME,
sparc32_frame_this_id,
sparc32_frame_prev_register
sparc32_frame_prev_register,
NULL,
default_frame_sniffer
};
static const struct frame_unwind *
sparc32_frame_sniffer (struct frame_info *next_frame)
{
return &sparc32_frame_unwind;
}
static CORE_ADDR
sparc32_frame_base_address (struct frame_info *next_frame, void **this_cache)
sparc32_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
struct sparc_frame_cache *cache =
sparc32_frame_cache (next_frame, this_cache);
sparc32_frame_cache (this_frame, this_cache);
return cache->base;
}
@@ -1053,14 +1017,14 @@ static const struct frame_base sparc32_frame_base =
};
static struct frame_id
sparc_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
sparc_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
CORE_ADDR sp;
sp = frame_unwind_register_unsigned (next_frame, SPARC_SP_REGNUM);
sp = get_frame_register_unsigned (this_frame, SPARC_SP_REGNUM);
if (sp & 1)
sp += BIAS;
return frame_id_build (sp, frame_pc_unwind (next_frame));
return frame_id_build (sp, get_frame_pc (this_frame));
}
@@ -1193,7 +1157,7 @@ sparc32_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type)
static int
sparc32_dwarf2_struct_return_p (struct frame_info *this_frame)
{
CORE_ADDR pc = get_frame_address_in_block (this_frame, NORMAL_FRAME);
CORE_ADDR pc = get_frame_address_in_block (this_frame);
struct symbol *sym = find_pc_function (pc);
if (sym)
@@ -1438,7 +1402,7 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_software_single_step (gdbarch, sparc_software_single_step);
set_gdbarch_write_pc (gdbarch, sparc_write_pc);
set_gdbarch_unwind_dummy_id (gdbarch, sparc_unwind_dummy_id);
set_gdbarch_dummy_id (gdbarch, sparc_dummy_id);
set_gdbarch_unwind_pc (gdbarch, sparc_unwind_pc);
@@ -1452,7 +1416,7 @@ sparc32_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, sparc32_frame_sniffer);
frame_unwind_append_unwinder (gdbarch, &sparc32_frame_unwind);
/* If we have register sets, enable the generic core file support. */
if (tdep->gregset)