/* Target-dependent code for AMD64.
- Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
- Contributed by Jiri Smid, SuSE Labs.
+ Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
+ Inc. Contributed by Jiri Smid, SuSE Labs.
This file is part of GDB.
{
int regnum = -1;
- if (reg >= 0 || reg < amd64_dwarf_regmap_len)
+ if (reg >= 0 && reg < amd64_dwarf_regmap_len)
regnum = amd64_dwarf_regmap[reg];
if (regnum == -1)
- warning ("Unmapped DWARF Register #%d encountered\n", reg);
+ warning (_("Unmapped DWARF Register #%d encountered."), reg);
return regnum;
}
if (readbuf)
regcache_raw_read_part (regcache, regnum, offset, min (len, 8),
- (char *) readbuf + i * 8);
+ ((gdb_byte *)readbuf) + i * 8);
if (writebuf)
regcache_raw_write_part (regcache, regnum, offset, min (len, 8),
- (const char *) writebuf + i * 8);
+ ((const gdb_byte *)writebuf) + i * 8);
}
return RETURN_VALUE_REGISTER_CONVENTION;
for (i = 0; i < nargs; i++)
{
- struct type *type = VALUE_TYPE (args[i]);
+ struct type *type = value_type (args[i]);
int len = TYPE_LENGTH (type);
enum amd64_reg_class class[2];
int needed_integer_regs = 0;
else
{
/* The argument will be passed in registers. */
- char *valbuf = VALUE_CONTENTS (args[i]);
- char buf[8];
+ const gdb_byte *valbuf = value_contents (args[i]);
+ gdb_byte buf[8];
gdb_assert (len <= 16);
/* Write out the arguments to the stack. */
for (i = 0; i < num_stack_args; i++)
{
- struct type *type = VALUE_TYPE (stack_args[i]);
- char *valbuf = VALUE_CONTENTS (stack_args[i]);
+ struct type *type = value_type (stack_args[i]);
+ const gdb_byte *valbuf = value_contents (stack_args[i]);
int len = TYPE_LENGTH (type);
write_memory (sp + element * 8, valbuf, len);
}
static CORE_ADDR
-amd64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
+amd64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
- char buf[8];
+ gdb_byte buf[8];
/* Pass arguments. */
sp = amd64_push_arguments (regcache, nargs, args, sp, struct_return);
amd64_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
struct amd64_frame_cache *cache)
{
- static unsigned char proto[3] = { 0x48, 0x89, 0xe5 };
- unsigned char buf[3];
- unsigned char op;
+ static gdb_byte proto[3] = { 0x48, 0x89, 0xe5 }; /* movq %rsp, %rbp */
+ gdb_byte buf[3];
+ gdb_byte op;
if (current_pc <= pc)
return current_pc;
amd64_frame_cache (struct frame_info *next_frame, void **this_cache)
{
struct amd64_frame_cache *cache;
- char buf[8];
+ gdb_byte buf[8];
int i;
if (*this_cache)
return;
}
- frame_register_unwind (next_frame, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ *optimizedp = 0;
+ *lvalp = lval_register;
+ *addrp = 0;
+ *realnump = regnum;
+ if (valuep)
+ frame_unwind_register (next_frame, (*realnump), valuep);
}
static const struct frame_unwind amd64_frame_unwind =
struct amd64_frame_cache *cache;
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
CORE_ADDR addr;
- char buf[8];
+ gdb_byte buf[8];
int i;
if (*this_cache)
static struct frame_id
amd64_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
- char buf[8];
+ gdb_byte buf[8];
CORE_ADDR fp;
frame_unwind_register (next_frame, AMD64_RBP_REGNUM, buf);
}
\f
-/* Supply register REGNUM from the floating-point register set REGSET
- to register cache REGCACHE. If REGNUM is -1, do this for all
- registers in REGSET. */
+/* Supply register REGNUM from the buffer specified by FPREGS and LEN
+ in the floating-point register set REGSET to register cache
+ REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
static void
amd64_supply_fpregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
- const struct gdbarch_tdep *tdep = regset->descr;
+ const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
gdb_assert (len == tdep->sizeof_fpregset);
amd64_supply_fxsave (regcache, regnum, fpregs);
}
+/* Collect register REGNUM from the register cache REGCACHE and store
+ it in the buffer specified by FPREGS and LEN as described by the
+ floating-point register set REGSET. If REGNUM is -1, do this for
+ all registers in REGSET. */
+
+static void
+amd64_collect_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len)
+{
+ const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
+
+ gdb_assert (len == tdep->sizeof_fpregset);
+ amd64_collect_fxsave (regcache, regnum, fpregs);
+}
+
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
if (strcmp (sect_name, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset)
{
if (tdep->fpregset == NULL)
- {
- tdep->fpregset = XMALLOC (struct regset);
- tdep->fpregset->descr = tdep;
- tdep->fpregset->supply_regset = amd64_supply_fpregset;
- }
+ tdep->fpregset = regset_alloc (gdbarch, amd64_supply_fpregset,
+ amd64_collect_fpregset);
return tdep->fpregset;
}
set_gdbarch_unwind_dummy_id (gdbarch, amd64_unwind_dummy_id);
- /* FIXME: kettenis/20021026: This is ELF-specific. Fine for now,
- since all supported AMD64 targets are ELF, but that might change
- in the future. */
- set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
-
frame_unwind_append_sniffer (gdbarch, amd64_sigtramp_frame_sniffer);
frame_unwind_append_sniffer (gdbarch, amd64_frame_sniffer);
frame_base_set_default (gdbarch, &amd64_frame_base);
if (fxsave && gdbarch_ptr_bit (get_regcache_arch (regcache)) == 64)
{
- const char *regs = fxsave;
+ const gdb_byte *regs = fxsave;
if (regnum == -1 || regnum == I387_FISEG_REGNUM)
regcache_raw_supply (regcache, I387_FISEG_REGNUM, regs + 12);
amd64_collect_fxsave (const struct regcache *regcache, int regnum,
void *fxsave)
{
- char *regs = fxsave;
+ gdb_byte *regs = fxsave;
i387_collect_fxsave (regcache, regnum, fxsave);