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authorUlrich Weigand <uweigand@de.ibm.com>2008-06-28 17:29:04 +0000
committerUlrich Weigand <uweigand@de.ibm.com>2008-06-28 17:29:04 +0000
commit94afd7a6d348a66ea3fb35fdb8234b050ec8c779 (patch)
treedbf3f5264799c070696da08515f2d6260ce9df42 /gdb/h8300-tdep.c
parente111d6c9206464acdff70102b29d82b4b48d1fc1 (diff)
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* alphafbsd-tdep.c: Update for unwinder changes.
* 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. * frv-tdep.c: Likewise. * h8300-tdep.c: Likewise. * hppa-linux-tdep.c: Likewise. * 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.
Diffstat (limited to 'gdb/h8300-tdep.c')
-rw-r--r--gdb/h8300-tdep.c82
1 files changed, 28 insertions, 54 deletions
diff --git a/gdb/h8300-tdep.c b/gdb/h8300-tdep.c
index 4b78d8d..1d52553 100644
--- a/gdb/h8300-tdep.c
+++ b/gdb/h8300-tdep.c
@@ -107,10 +107,10 @@ h8300_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
}
static struct frame_id
-h8300_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
+h8300_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
- return frame_id_build (h8300_unwind_sp (gdbarch, next_frame),
- frame_pc_unwind (next_frame));
+ CORE_ADDR sp = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
+ return frame_id_build (sp, get_frame_pc (this_frame));
}
/* Normal frames. */
@@ -420,9 +420,9 @@ h8300_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
}
static struct h8300_frame_cache *
-h8300_frame_cache (struct frame_info *next_frame, void **this_cache)
+h8300_frame_cache (struct frame_info *this_frame, void **this_cache)
{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct h8300_frame_cache *cache;
char buf[4];
int i;
@@ -441,14 +441,14 @@ h8300_frame_cache (struct frame_info *next_frame, void **this_cache)
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, E_FP_REGNUM);
+ cache->base = get_frame_register_unsigned (this_frame, E_FP_REGNUM);
if (cache->base == 0)
return cache;
cache->saved_regs[E_PC_REGNUM] = -BINWORD (gdbarch);
- cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
- current_pc = frame_pc_unwind (next_frame);
+ cache->pc = get_frame_func (this_frame);
+ current_pc = get_frame_pc (this_frame);
if (cache->pc != 0)
h8300_analyze_prologue (cache->pc, current_pc, cache);
@@ -462,7 +462,7 @@ h8300_frame_cache (struct frame_info *next_frame, void **this_cache)
frame by looking at the stack pointer. For truly "frameless"
functions this might work too. */
- cache->base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM)
+ cache->base = get_frame_register_unsigned (this_frame, E_SP_REGNUM)
+ cache->sp_offset;
cache->saved_sp = cache->base + BINWORD (gdbarch);
cache->saved_regs[E_PC_REGNUM] = 0;
@@ -483,11 +483,11 @@ h8300_frame_cache (struct frame_info *next_frame, void **this_cache)
}
static void
-h8300_frame_this_id (struct frame_info *next_frame, void **this_cache,
+h8300_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
struct h8300_frame_cache *cache =
- h8300_frame_cache (next_frame, this_cache);
+ h8300_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
@@ -496,65 +496,39 @@ h8300_frame_this_id (struct frame_info *next_frame, void **this_cache,
*this_id = frame_id_build (cache->saved_sp, cache->pc);
}
-static void
-h8300_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 *
+h8300_frame_prev_register (struct frame_info *this_frame, void **this_cache,
+ int regnum)
{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct h8300_frame_cache *cache =
- h8300_frame_cache (next_frame, this_cache);
+ h8300_frame_cache (this_frame, this_cache);
gdb_assert (regnum >= 0);
if (regnum == E_SP_REGNUM && cache->saved_sp)
- {
- *optimizedp = 0;
- *lvalp = not_lval;
- *addrp = 0;
- *realnump = -1;
- if (valuep)
- store_unsigned_integer (valuep, BINWORD (gdbarch), cache->saved_sp);
- return;
- }
+ return frame_unwind_got_constant (this_frame, regnum, cache->saved_sp);
if (regnum < gdbarch_num_regs (gdbarch)
&& cache->saved_regs[regnum] != -1)
- {
- *optimizedp = 0;
- *lvalp = lval_memory;
- *addrp = cache->saved_regs[regnum];
- *realnump = -1;
- if (valuep)
- read_memory (*addrp, valuep, register_size (gdbarch, regnum));
- 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 const struct frame_unwind h8300_frame_unwind = {
NORMAL_FRAME,
h8300_frame_this_id,
- h8300_frame_prev_register
+ h8300_frame_prev_register,
+ NULL,
+ default_frame_sniffer
};
-static const struct frame_unwind *
-h8300_frame_sniffer (struct frame_info *next_frame)
-{
- return &h8300_frame_unwind;
-}
-
static CORE_ADDR
-h8300_frame_base_address (struct frame_info *next_frame, void **this_cache)
+h8300_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
- struct h8300_frame_cache *cache = h8300_frame_cache (next_frame, this_cache);
+ struct h8300_frame_cache *cache = h8300_frame_cache (this_frame, this_cache);
return cache->base;
}
@@ -1337,7 +1311,7 @@ h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Frame unwinder. */
set_gdbarch_unwind_pc (gdbarch, h8300_unwind_pc);
set_gdbarch_unwind_sp (gdbarch, h8300_unwind_sp);
- set_gdbarch_unwind_dummy_id (gdbarch, h8300_unwind_dummy_id);
+ set_gdbarch_dummy_id (gdbarch, h8300_dummy_id);
frame_base_set_default (gdbarch, &h8300_frame_base);
/*
@@ -1359,8 +1333,8 @@ h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
/* Hook in the DWARF CFI frame unwinder. */
- frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
- frame_unwind_append_sniffer (gdbarch, h8300_frame_sniffer);
+ dwarf2_append_unwinders (gdbarch);
+ frame_unwind_append_unwinder (gdbarch, &h8300_frame_unwind);
return gdbarch;