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authorRichard Henderson <rth@redhat.com>2006-07-10 15:28:02 +0000
committerRichard Henderson <rth@redhat.com>2006-07-10 15:28:02 +0000
commitf8feb739bbe2d92ddcd14fadc5da4034a7bed156 (patch)
treeb8ae440313c1b3fd19bdad9a66200ae788c94ab9 /gdb/alpha-tdep.c
parent88ee992a9ffe1e3329ee5005858ebf84b2a93601 (diff)
downloadgdb-f8feb739bbe2d92ddcd14fadc5da4034a7bed156.tar.gz
* alpha-tdep.h (struct gdbarch_tdep): Add return_in_memory.
* alpha-tdep.c (alpha_register_byte): Remove. (alpha_extract_struct_value_address): Remove. (alpha_return_value): New. (alpha_return_in_memory_always): New. (alpha_gdbarch_init): Set tdep->return_in_memory. Don't call set_gdbarch_deprecated_register_byte. Do call set_gdbarch_return_value instead of set_gdbarch_deprecated_use_struct_convention, set_gdbarch_extract_return_value, set_gdbarch_store_return_value, or set_gdbarch_deprecated_extract_struct_value_address. * alphafbsd-tdep.c (alphafbsd_return_in_memory): Rename from alphafbsd_use_struct_convention, remove gcc_p argument. (alphafbsd_init_abi): Set tdep->return_in_memory instead of set_gdbarch_deprecated_use_struct_convention.
Diffstat (limited to 'gdb/alpha-tdep.c')
-rw-r--r--gdb/alpha-tdep.c60
1 files changed, 38 insertions, 22 deletions
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 4480b21164e..afe1d2fc47a 100644
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -149,12 +149,6 @@ alpha_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
return group == general_reggroup;
}
-static int
-alpha_register_byte (int regno)
-{
- return (regno * 8);
-}
-
/* The following represents exactly the conversion performed by
the LDS instruction. This applies to both single-precision
floating point and 32-bit integers. */
@@ -501,17 +495,6 @@ alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
}
}
-/* Extract from REGCACHE the address of a structure about to be returned
- from a function. */
-
-static CORE_ADDR
-alpha_extract_struct_value_address (struct regcache *regcache)
-{
- ULONGEST addr;
- regcache_cooked_read_unsigned (regcache, ALPHA_V0_REGNUM, &addr);
- return addr;
-}
-
/* Insert the given value into REGCACHE as if it was being
returned by a function. */
@@ -585,6 +568,41 @@ alpha_store_return_value (struct type *valtype, struct regcache *regcache,
}
}
+static enum return_value_convention
+alpha_return_value (struct gdbarch *gdbarch, struct type *type,
+ struct regcache *regcache, gdb_byte *readbuf,
+ const gdb_byte *writebuf)
+{
+ enum type_code code = TYPE_CODE (type);
+
+ if ((code == TYPE_CODE_STRUCT
+ || code == TYPE_CODE_UNION
+ || code == TYPE_CODE_ARRAY)
+ && gdbarch_tdep (gdbarch)->return_in_memory (type))
+ {
+ if (readbuf)
+ {
+ ULONGEST addr;
+ regcache_raw_read_unsigned (regcache, ALPHA_V0_REGNUM, &addr);
+ read_memory (addr, readbuf, TYPE_LENGTH (type));
+ }
+
+ return RETURN_VALUE_ABI_RETURNS_ADDRESS;
+ }
+
+ if (readbuf)
+ alpha_extract_return_value (type, regcache, readbuf);
+ if (writebuf)
+ alpha_store_return_value (type, regcache, writebuf);
+
+ return RETURN_VALUE_REGISTER_CONVENTION;
+}
+
+static int
+alpha_return_in_memory_always (struct type *type)
+{
+ return 1;
+}
static const unsigned char *
alpha_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
@@ -1551,6 +1569,8 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->jb_pc = -1; /* longjmp support not enabled by default */
+ tdep->return_in_memory = alpha_return_in_memory_always;
+
/* Type sizes */
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_int_bit (gdbarch, 32);
@@ -1568,7 +1588,6 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_fp0_regnum (gdbarch, ALPHA_FP0_REGNUM);
set_gdbarch_register_name (gdbarch, alpha_register_name);
- set_gdbarch_deprecated_register_byte (gdbarch, alpha_register_byte);
set_gdbarch_register_type (gdbarch, alpha_register_type);
set_gdbarch_cannot_fetch_register (gdbarch, alpha_cannot_fetch_register);
@@ -1588,10 +1607,7 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
/* Call info. */
- set_gdbarch_deprecated_use_struct_convention (gdbarch, always_use_struct_convention);
- set_gdbarch_extract_return_value (gdbarch, alpha_extract_return_value);
- set_gdbarch_store_return_value (gdbarch, alpha_store_return_value);
- set_gdbarch_deprecated_extract_struct_value_address (gdbarch, alpha_extract_struct_value_address);
+ set_gdbarch_return_value (gdbarch, alpha_return_value);
/* Settings for calling functions in the inferior. */
set_gdbarch_push_dummy_call (gdbarch, alpha_push_dummy_call);