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authorJim Blandy <jimb@codesourcery.com>2004-06-05 00:11:49 +0000
committerJim Blandy <jimb@codesourcery.com>2004-06-05 00:11:49 +0000
commita3c001cee072616bc3e7ddd8f617f759e1395aae (patch)
treec4f9fe90d066584c3018427b8b2860f774b5f290 /gdb/rs6000-tdep.c
parent23cadb28671993bfdebb5e2c71af358829708bc3 (diff)
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* rs6000-tdep.c (rs6000_store_return_value): Use
regcache_cooked_write_part instead of deprecated_write_register_bytes. (rs6000_gdbarch_init): Register it for gdbarch_store_return_value, not gdbarch_deprecated_store_return_value.
Diffstat (limited to 'gdb/rs6000-tdep.c')
-rw-r--r--gdb/rs6000-tdep.c44
1 files changed, 30 insertions, 14 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 47b0a64..c7dfae5 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -1894,38 +1894,54 @@ rs6000_dwarf2_reg_to_regnum (int num)
static void
-rs6000_store_return_value (struct type *type, char *valbuf)
+rs6000_store_return_value (struct type *type,
+ struct regcache *regcache,
+ const void *valbuf)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ int regnum = -1;
/* The calling convention this function implements assumes the
processor has floating-point registers. We shouldn't be using it
on PPC variants that lack them. */
- gdb_assert (ppc_floating_point_unit_p (current_gdbarch));
+ gdb_assert (ppc_floating_point_unit_p (gdbarch));
if (TYPE_CODE (type) == TYPE_CODE_FLT)
-
/* Floating point values are returned starting from FPR1 and up.
Say a double_double_double type could be returned in
FPR1/FPR2/FPR3 triple. */
-
- deprecated_write_register_bytes
- (DEPRECATED_REGISTER_BYTE (tdep->ppc_fp0_regnum + 1),
- valbuf,
- TYPE_LENGTH (type));
+ regnum = tdep->ppc_fp0_regnum + 1;
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
if (TYPE_LENGTH (type) == 16
&& TYPE_VECTOR (type))
- deprecated_write_register_bytes (DEPRECATED_REGISTER_BYTE (tdep->ppc_vr0_regnum + 2),
- valbuf, TYPE_LENGTH (type));
+ regnum = tdep->ppc_vr0_regnum + 2;
+ else
+ gdb_assert (0);
}
else
/* Everything else is returned in GPR3 and up. */
- deprecated_write_register_bytes (DEPRECATED_REGISTER_BYTE (gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + 3),
- valbuf, TYPE_LENGTH (type));
+ regnum = tdep->ppc_gp0_regnum + 3;
+
+ {
+ size_t bytes_written = 0;
+
+ while (bytes_written < TYPE_LENGTH (type))
+ {
+ /* How much of this value can we write to this register? */
+ size_t bytes_to_write = min (TYPE_LENGTH (type) - bytes_written,
+ register_size (gdbarch, regnum));
+ regcache_cooked_write_part (regcache, regnum,
+ 0, bytes_to_write,
+ (char *) valbuf + bytes_written);
+ regnum++;
+ bytes_written += bytes_to_write;
+ }
+ }
}
+
/* Extract from an array REGBUF containing the (raw) register state
the address in which a function should return its structure value,
as a CORE_ADDR (or an expression that can be used as one). */
@@ -2885,7 +2901,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
else
{
set_gdbarch_deprecated_extract_return_value (gdbarch, rs6000_extract_return_value);
- set_gdbarch_deprecated_store_return_value (gdbarch, rs6000_store_return_value);
+ set_gdbarch_store_return_value (gdbarch, rs6000_store_return_value);
}
/* Set lr_frame_offset. */