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authorAndreas Schwab <schwab@linux-m68k.org>2003-07-01 22:32:36 +0000
committerAndreas Schwab <schwab@linux-m68k.org>2003-07-01 22:32:36 +0000
commit8dd5115e3f8c6b7e6ebd38716f271b5a9b909f55 (patch)
tree70194e0dee6608246aab358892d62d05e94cee0c /gdb/ia64-tdep.c
parentmerge from gcc (diff)
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* ia64-tdep.c (ia64_push_dummy_call): Define as combination of
former ia64_push_arguments and ia64_push_return_address, and use regcache functions instead of read/write_register. (ia64_gdbarch_init): Set push_dummy_call instead of deprecated_push_arguments and deprecated_push_return_address.
Diffstat (limited to 'gdb/ia64-tdep.c')
-rw-r--r--gdb/ia64-tdep.c59
1 files changed, 27 insertions, 32 deletions
diff --git a/gdb/ia64-tdep.c b/gdb/ia64-tdep.c
index 0bc4dea0182..ccdc162a299 100644
--- a/gdb/ia64-tdep.c
+++ b/gdb/ia64-tdep.c
@@ -1520,7 +1520,7 @@ static void
ia64_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
/* FIXME: See above. */
- /* Note that most of the work was done in ia64_push_arguments() */
+ /* Note that most of the work was done in ia64_push_dummy_call() */
struct_return_address = addr;
}
@@ -1853,8 +1853,10 @@ find_func_descr (CORE_ADDR faddr, CORE_ADDR *fdaptr)
}
static CORE_ADDR
-ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ia64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
+ struct regcache *regcache, CORE_ADDR bp_addr,
+ int nargs, struct value **args, CORE_ADDR sp,
+ int struct_return, CORE_ADDR struct_addr)
{
int argno;
struct value *arg;
@@ -1862,7 +1864,9 @@ ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
int len, argoffset;
int nslots, rseslots, memslots, slotnum, nfuncargs;
int floatreg;
- CORE_ADDR bsp, cfm, pfs, new_bsp, funcdescaddr;
+ ULONGEST bsp, cfm, pfs, new_bsp;
+ CORE_ADDR funcdescaddr;
+ ULONGEST global_pointer = FIND_GLOBAL_POINTER (func_addr);
nslots = 0;
nfuncargs = 0;
@@ -1887,21 +1891,21 @@ ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
memslots = nslots - rseslots;
/* Allocate a new RSE frame */
- cfm = read_register (IA64_CFM_REGNUM);
+ regcache_cooked_read_unsigned (regcache, IA64_CFM_REGNUM, &cfm);
- bsp = read_register (IA64_BSP_REGNUM);
+ regcache_cooked_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp);
bsp = rse_address_add (bsp, cfm & 0x7f);
new_bsp = rse_address_add (bsp, rseslots);
- write_register (IA64_BSP_REGNUM, new_bsp);
+ regcache_cooked_write_unsigned (regcache, IA64_BSP_REGNUM, new_bsp);
- pfs = read_register (IA64_PFS_REGNUM);
+ regcache_cooked_read_unsigned (regcache, IA64_PFS_REGNUM, &pfs);
pfs &= 0xc000000000000000LL;
pfs |= (cfm & 0xffffffffffffLL);
- write_register (IA64_PFS_REGNUM, pfs);
+ regcache_cooked_write_unsigned (regcache, IA64_PFS_REGNUM, pfs);
cfm &= 0xc000000000000000LL;
cfm |= rseslots;
- write_register (IA64_CFM_REGNUM, cfm);
+ regcache_cooked_write_unsigned (regcache, IA64_CFM_REGNUM, cfm);
/* We will attempt to find function descriptors in the .opd segment,
but if we can't we'll construct them ourselves. That being the
@@ -1979,11 +1983,12 @@ ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
len = TYPE_LENGTH (type);
while (len > 0 && floatreg < IA64_FR16_REGNUM)
{
- ia64_register_convert_to_raw (
- float_elt_type,
- floatreg,
- VALUE_CONTENTS (arg) + argoffset,
- &deprecated_registers[REGISTER_BYTE (floatreg)]);
+ char buf[MAX_REGISTER_SIZE];
+ ia64_register_convert_to_raw (float_elt_type,
+ floatreg,
+ VALUE_CONTENTS (arg) + argoffset,
+ buf);
+ regcache_raw_write (regcache, floatreg, buf);
floatreg++;
argoffset += TYPE_LENGTH (float_elt_type);
len -= TYPE_LENGTH (float_elt_type);
@@ -1994,11 +1999,14 @@ ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
/* Store the struct return value in r8 if necessary. */
if (struct_return)
{
- store_unsigned_integer (&deprecated_registers[REGISTER_BYTE (IA64_GR8_REGNUM)],
- REGISTER_RAW_SIZE (IA64_GR8_REGNUM),
- struct_addr);
+ regcache_cooked_write_unsigned (regcache, IA64_GR8_REGNUM, struct_addr);
}
+ if (global_pointer != 0)
+ regcache_cooked_write_unsigned (regcache, IA64_GR1_REGNUM, global_pointer);
+
+ regcache_cooked_write_unsigned (regcache, IA64_BR0_REGNUM, bp_addr);
+
/* Sync gdb's idea of what the registers are with the target. */
target_store_registers (-1);
@@ -2018,18 +2026,6 @@ ia64_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
return sp;
}
-static CORE_ADDR
-ia64_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
-{
- CORE_ADDR global_pointer = FIND_GLOBAL_POINTER (pc);
-
- if (global_pointer != 0)
- write_register (IA64_GR1_REGNUM, global_pointer);
-
- write_register (IA64_BR0_REGNUM, CALL_DUMMY_ADDRESS ());
- return sp;
-}
-
static void
ia64_store_return_value (struct type *type, char *valbuf)
{
@@ -2289,8 +2285,7 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_write_pc (gdbarch, ia64_write_pc);
/* Settings for calling functions in the inferior. */
- set_gdbarch_deprecated_push_arguments (gdbarch, ia64_push_arguments);
- set_gdbarch_deprecated_push_return_address (gdbarch, ia64_push_return_address);
+ set_gdbarch_push_dummy_call (gdbarch, ia64_push_dummy_call);
set_gdbarch_deprecated_pop_frame (gdbarch, ia64_pop_frame);
set_gdbarch_deprecated_call_dummy_words (gdbarch, ia64_call_dummy_words);