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-rw-r--r--gdb/ChangeLog27
-rw-r--r--gdb/alpha-tdep.c3
-rw-r--r--gdb/arm-tdep.c3
-rw-r--r--gdb/doc/ChangeLog6
-rw-r--r--gdb/doc/gdbint.texinfo14
-rw-r--r--gdb/frv-tdep.c2
-rw-r--r--gdb/gdbarch.c62
-rw-r--r--gdb/gdbarch.h56
-rwxr-xr-xgdb/gdbarch.sh29
-rw-r--r--gdb/h8300-tdep.c3
-rw-r--r--gdb/ia64-tdep.c8
-rw-r--r--gdb/infcmd.c7
-rw-r--r--gdb/m32r-tdep.c9
-rw-r--r--gdb/m68hc11-tdep.c2
-rw-r--r--gdb/m68k-tdep.c3
-rw-r--r--gdb/m68klinux-tdep.c3
-rw-r--r--gdb/rs6000-tdep.c2
-rw-r--r--gdb/s390-tdep.c2
-rw-r--r--gdb/sh-tdep.c3
-rw-r--r--gdb/sh64-tdep.c2
-rw-r--r--gdb/sparc-tdep.c4
-rw-r--r--gdb/stack.c7
-rw-r--r--gdb/values.c6
-rw-r--r--gdb/xstormy16-tdep.c2
24 files changed, 165 insertions, 100 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 00ac491..42dcc46 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,32 @@
2004-01-26 Andrew Cagney <cagney@redhat.com>
+ * gdbarch.sh (EXTRACT_STRUCT_VALUE_ADDRESS): Deprecate. Add
+ comments mentioning extract_returned_value_address.
+ * infcmd.c (print_return_value): Update. Add comments on
+ extract_returned_value_address.
+ * stack.c (return_command): Add comments on
+ extract_returned_value_address.
+ * values.c: Update comment.
+ * m32r-tdep.c: Update comment.
+ * sparc-tdep.c: Update comment.
+ * ia64-tdep.c (ia64_use_struct_convention): Update comment.
+ * xstormy16-tdep.c (xstormy16_gdbarch_init): Update.
+ * sh64-tdep.c (sh64_gdbarch_init): Update.
+ * sh-tdep.c (sh_gdbarch_init): Update.
+ * s390-tdep.c (s390_gdbarch_init): Update.
+ * rs6000-tdep.c (rs6000_gdbarch_init): Update.
+ * m68klinux-tdep.c (m68k_linux_init_abi): Update.
+ * m68k-tdep.c (m68k_gdbarch_init): Update.
+ * m68hc11-tdep.c (m68hc11_gdbarch_init): Update.
+ * m32r-tdep.c (m32r_gdbarch_init): Update.
+ * ia64-tdep.c (ia64_gdbarch_init): Update.
+ * h8300-tdep.c (h8300_gdbarch_init): Update.
+ * frv-tdep.c (frv_gdbarch_init): Update.
+ * arm-tdep.c (arm_gdbarch_init): Update.
+ * alpha-tdep.c (alpha_gdbarch_init): Update.
+
+2004-01-26 Andrew Cagney <cagney@redhat.com>
+
* dwarf2loc.c (dwarf_expr_frame_base): Use SYMBOL_OPS instead of
SYMBOL_LOCATION_FUNCS
(dwarf2_loclist_funcs, dwarf2_locexpr_funcs): Change type to
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index a166ba5..c777933 100644
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -1537,8 +1537,7 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_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_extract_struct_value_address (gdbarch,
- alpha_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, alpha_extract_struct_value_address);
/* Settings for calling functions in the inferior. */
set_gdbarch_push_dummy_call (gdbarch, alpha_push_dummy_call);
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index f51b82e..b4f37be 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -2923,8 +2923,7 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_extract_return_value (gdbarch, arm_extract_return_value);
set_gdbarch_store_return_value (gdbarch, arm_store_return_value);
set_gdbarch_use_struct_convention (gdbarch, arm_use_struct_convention);
- set_gdbarch_extract_struct_value_address (gdbarch,
- arm_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, arm_extract_struct_value_address);
/* Single stepping. */
/* XXX For an RDI target we should ask the target if it can single-step. */
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 2ddf21a..1b075f8 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,9 @@
+2004-01-26 Andrew Cagney <cagney@redhat.com>
+
+ * gdbint.texinfo (Target Architecture Definition): Rename
+ EXTRACT_STRUCT_VALUE_ADDRESS to
+ DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS.
+
2004-01-24 Eli Zaretskii <eliz@gnu.org>
* gdb.texinfo (KOD): Document "show os". Add index entries for
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index ebf9a37..081f999 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -3174,18 +3174,18 @@ into @var{valbuf}.
This method has been deprecated in favour of @code{gdbarch_return_value}
(@pxref{gdbarch_return_value}).
-@item EXTRACT_STRUCT_VALUE_ADDRESS(@var{regbuf})
-@findex EXTRACT_STRUCT_VALUE_ADDRESS
-@anchor{EXTRACT_STRUCT_VALUE_ADDRESS}
+@item DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(@var{regbuf})
+@findex DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
+@anchor{DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS}
When defined, extract from the array @var{regbuf} (containing the raw
register state) the @code{CORE_ADDR} at which a function should return
its structure value.
@xref{gdbarch_return_value}.
-@item EXTRACT_STRUCT_VALUE_ADDRESS_P()
-@findex EXTRACT_STRUCT_VALUE_ADDRESS_P
-Predicate for @code{EXTRACT_STRUCT_VALUE_ADDRESS}.
+@item DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P()
+@findex DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P
+Predicate for @code{DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS}.
@item DEPRECATED_FP_REGNUM
@findex DEPRECATED_FP_REGNUM
@@ -3794,7 +3794,7 @@ non-@code{NULL}, also copy the return value from @var{regcache} into
@var{readbuf} (@var{regcache} contains a copy of the registers from the
just returned function).
-@xref{EXTRACT_STRUCT_VALUE_ADDRESS}, for a description of how
+@xref{DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS}, for a description of how
return-values that use the struct convention are handled.
@emph{Maintainer note: This method replaces separate predicate, extract,
diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c
index 67fb641..bc680c5 100644
--- a/gdb/frv-tdep.c
+++ b/gdb/frv-tdep.c
@@ -1400,7 +1400,7 @@ frv_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_deprecated_store_struct_return (gdbarch, frv_store_struct_return);
set_gdbarch_store_return_value (gdbarch, frv_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch, frv_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, frv_extract_struct_value_address);
/* Frame stuff. */
set_gdbarch_unwind_pc (gdbarch, frv_unwind_pc);
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index fffbd0d..a3d4ee5 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -208,7 +208,7 @@ struct gdbarch
gdbarch_deprecated_extract_return_value_ftype *deprecated_extract_return_value;
gdbarch_deprecated_store_return_value_ftype *deprecated_store_return_value;
gdbarch_use_struct_convention_ftype *use_struct_convention;
- gdbarch_extract_struct_value_address_ftype *extract_struct_value_address;
+ gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address;
gdbarch_deprecated_frame_init_saved_regs_ftype *deprecated_frame_init_saved_regs;
gdbarch_deprecated_init_extra_frame_info_ftype *deprecated_init_extra_frame_info;
gdbarch_skip_prologue_ftype *skip_prologue;
@@ -379,7 +379,7 @@ struct gdbarch startup_gdbarch =
0, /* deprecated_extract_return_value */
0, /* deprecated_store_return_value */
0, /* use_struct_convention */
- 0, /* extract_struct_value_address */
+ 0, /* deprecated_extract_struct_value_address */
0, /* deprecated_frame_init_saved_regs */
0, /* deprecated_init_extra_frame_info */
0, /* skip_prologue */
@@ -686,7 +686,7 @@ verify_gdbarch (struct gdbarch *current_gdbarch)
/* Skip verify of extract_return_value, invalid_p == 0 */
/* Skip verify of store_return_value, invalid_p == 0 */
/* Skip verify of use_struct_convention, invalid_p == 0 */
- /* Skip verify of extract_struct_value_address, has predicate */
+ /* Skip verify of deprecated_extract_struct_value_address, has predicate */
/* Skip verify of deprecated_frame_init_saved_regs, has predicate */
/* Skip verify of deprecated_init_extra_frame_info, has predicate */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
@@ -1087,6 +1087,25 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
(long) current_gdbarch->deprecated_extract_return_value
/*DEPRECATED_EXTRACT_RETURN_VALUE ()*/);
#endif
+#ifdef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P
+ fprintf_unfiltered (file,
+ "gdbarch_dump: %s # %s\n",
+ "DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P()",
+ XSTRING (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ()));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() = %d\n",
+ DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ());
+#endif
+#ifdef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
+ fprintf_unfiltered (file,
+ "gdbarch_dump: %s # %s\n",
+ "DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache)",
+ XSTRING (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS (regcache)));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS = <0x%08lx>\n",
+ (long) current_gdbarch->deprecated_extract_struct_value_address
+ /*DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS ()*/);
+#endif
#ifdef DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED
fprintf_unfiltered (file,
"gdbarch_dump: DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED # %s\n",
@@ -1753,25 +1772,6 @@ gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
(long) current_gdbarch->extract_return_value
/*EXTRACT_RETURN_VALUE ()*/);
#endif
-#ifdef EXTRACT_STRUCT_VALUE_ADDRESS_P
- fprintf_unfiltered (file,
- "gdbarch_dump: %s # %s\n",
- "EXTRACT_STRUCT_VALUE_ADDRESS_P()",
- XSTRING (EXTRACT_STRUCT_VALUE_ADDRESS_P ()));
- fprintf_unfiltered (file,
- "gdbarch_dump: EXTRACT_STRUCT_VALUE_ADDRESS_P() = %d\n",
- EXTRACT_STRUCT_VALUE_ADDRESS_P ());
-#endif
-#ifdef EXTRACT_STRUCT_VALUE_ADDRESS
- fprintf_unfiltered (file,
- "gdbarch_dump: %s # %s\n",
- "EXTRACT_STRUCT_VALUE_ADDRESS(regcache)",
- XSTRING (EXTRACT_STRUCT_VALUE_ADDRESS (regcache)));
- fprintf_unfiltered (file,
- "gdbarch_dump: EXTRACT_STRUCT_VALUE_ADDRESS = <0x%08lx>\n",
- (long) current_gdbarch->extract_struct_value_address
- /*EXTRACT_STRUCT_VALUE_ADDRESS ()*/);
-#endif
#ifdef FETCH_POINTER_ARGUMENT_P
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
@@ -4346,27 +4346,27 @@ set_gdbarch_use_struct_convention (struct gdbarch *gdbarch,
}
int
-gdbarch_extract_struct_value_address_p (struct gdbarch *gdbarch)
+gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
- return gdbarch->extract_struct_value_address != NULL;
+ return gdbarch->deprecated_extract_struct_value_address != NULL;
}
CORE_ADDR
-gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache)
+gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache)
{
gdb_assert (gdbarch != NULL);
- gdb_assert (gdbarch->extract_struct_value_address != NULL);
+ gdb_assert (gdbarch->deprecated_extract_struct_value_address != NULL);
if (gdbarch_debug >= 2)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_extract_struct_value_address called\n");
- return gdbarch->extract_struct_value_address (regcache);
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_extract_struct_value_address called\n");
+ return gdbarch->deprecated_extract_struct_value_address (regcache);
}
void
-set_gdbarch_extract_struct_value_address (struct gdbarch *gdbarch,
- gdbarch_extract_struct_value_address_ftype extract_struct_value_address)
+set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch,
+ gdbarch_deprecated_extract_struct_value_address_ftype deprecated_extract_struct_value_address)
{
- gdbarch->extract_struct_value_address = extract_struct_value_address;
+ gdbarch->deprecated_extract_struct_value_address = deprecated_extract_struct_value_address;
}
int
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 8240ae4..e6651c7 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -1447,11 +1447,7 @@ extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_va
/* The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
- into RETURN_VALUE. For the moment do not try to fold in
- EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
- info, and the level of effort, it may well be possible to find the
- address of a structure being return on the stack. Someone else can
- make that change. */
+ into RETURN_VALUE. */
typedef int (gdbarch_return_value_on_stack_ftype) (struct type *type);
extern int gdbarch_return_value_on_stack (struct gdbarch *gdbarch, struct type *type);
@@ -1513,29 +1509,47 @@ extern void set_gdbarch_use_struct_convention (struct gdbarch *gdbarch, gdbarch_
#define USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_use_struct_convention (current_gdbarch, gcc_p, value_type))
#endif
-#if defined (EXTRACT_STRUCT_VALUE_ADDRESS)
-/* Legacy for systems yet to multi-arch EXTRACT_STRUCT_VALUE_ADDRESS */
-#if !defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#define EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
+/* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
+ ABI suitable for the implementation of a robust extract
+ struct-convention return-value address method (the sparc saves the
+ address in the callers frame). All the other cases so far examined,
+ the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
+ erreneous - the code was incorrectly assuming that the return-value
+ address, stored in a register, was preserved across the entire
+ function call.
+ For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
+ the ABIs that are still to be analyzed - perhaps this should simply
+ be deleted. The commented out extract_returned_value_address method
+ is provided as a starting point for the 32-bit SPARC. It, or
+ something like it, along with changes to both infcmd.c and stack.c
+ will be needed for that case to work. NB: It is passed the callers
+ frame since it is only after the callee has returned that this
+ function is used.
+ M:::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
+
+#if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
+/* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
+#if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
#endif
#endif
-extern int gdbarch_extract_struct_value_address_p (struct gdbarch *gdbarch);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#error "Non multi-arch definition of EXTRACT_STRUCT_VALUE_ADDRESS"
+extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch *gdbarch);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
#endif
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#define EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_extract_struct_value_address_p (current_gdbarch))
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
+#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
#endif
-typedef CORE_ADDR (gdbarch_extract_struct_value_address_ftype) (struct regcache *regcache);
-extern CORE_ADDR gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache);
-extern void set_gdbarch_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_extract_struct_value_address_ftype *extract_struct_value_address);
-#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (EXTRACT_STRUCT_VALUE_ADDRESS)
-#error "Non multi-arch definition of EXTRACT_STRUCT_VALUE_ADDRESS"
+typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype) (struct regcache *regcache);
+extern CORE_ADDR gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache);
+extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address);
+#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
+#error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
#endif
-#if !defined (EXTRACT_STRUCT_VALUE_ADDRESS)
-#define EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_extract_struct_value_address (current_gdbarch, regcache))
+#if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
+#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
#endif
#if defined (DEPRECATED_FRAME_INIT_SAVED_REGS)
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 1801e8f..db7588b 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -606,11 +606,7 @@ M:::enum return_value_convention:return_value:struct type *valtype, struct regca
# The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
# STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
-# into RETURN_VALUE. For the moment do not try to fold in
-# EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
-# info, and the level of effort, it may well be possible to find the
-# address of a structure being return on the stack. Someone else can
-# make that change.
+# into RETURN_VALUE.
f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
@@ -619,8 +615,27 @@ f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct
f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
-F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
-#
+# As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
+# ABI suitable for the implementation of a robust extract
+# struct-convention return-value address method (the sparc saves the
+# address in the callers frame). All the other cases so far examined,
+# the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
+# erreneous - the code was incorrectly assuming that the return-value
+# address, stored in a register, was preserved across the entire
+# function call.
+
+# For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
+# the ABIs that are still to be analyzed - perhaps this should simply
+# be deleted. The commented out extract_returned_value_address method
+# is provided as a starting point for the 32-bit SPARC. It, or
+# something like it, along with changes to both infcmd.c and stack.c
+# will be needed for that case to work. NB: It is passed the callers
+# frame since it is only after the callee has returned that this
+# function is used.
+
+#M:::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame
+F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache
+
F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
#
diff --git a/gdb/h8300-tdep.c b/gdb/h8300-tdep.c
index c87dfab..f6bdb15 100644
--- a/gdb/h8300-tdep.c
+++ b/gdb/h8300-tdep.c
@@ -1328,8 +1328,7 @@ h8300_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_frameless_function_invocation (gdbarch,
frameless_look_for_prologue);
- set_gdbarch_extract_struct_value_address (gdbarch,
- h8300_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, h8300_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, always_use_struct_convention);
set_gdbarch_breakpoint_from_pc (gdbarch, h8300_breakpoint_from_pc);
set_gdbarch_push_dummy_code (gdbarch, h8300_push_dummy_code);
diff --git a/gdb/ia64-tdep.c b/gdb/ia64-tdep.c
index 6b2dba6..d57b5e9 100644
--- a/gdb/ia64-tdep.c
+++ b/gdb/ia64-tdep.c
@@ -2709,9 +2709,9 @@ static struct libunwind_descr ia64_libunwind_descr =
#endif /* HAVE_LIBUNWIND_IA64_H */
-/* Should we use EXTRACT_STRUCT_VALUE_ADDRESS instead of
- EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc
- and TYPE is the type (which is known to be struct, union or array). */
+/* Should we use DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS instead of
+ EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc and TYPE
+ is the type (which is known to be struct, union or array). */
int
ia64_use_struct_convention (int gcc_p, struct type *type)
{
@@ -3400,7 +3400,7 @@ ia64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_extract_return_value (gdbarch, ia64_extract_return_value);
set_gdbarch_store_return_value (gdbarch, ia64_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch, ia64_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, ia64_extract_struct_value_address);
set_gdbarch_memory_insert_breakpoint (gdbarch, ia64_memory_insert_breakpoint);
set_gdbarch_memory_remove_breakpoint (gdbarch, ia64_memory_remove_breakpoint);
diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index ebf7f39..2de769e 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -1061,6 +1061,9 @@ print_return_value (int struct_return, struct type *value_type)
/* The return value can be found in the inferior's registers. */
value = register_value_being_returned (value_type, stop_registers);
}
+ /* FIXME: cagney/2004-01-17: When both return_value and
+ extract_returned_value_address are available, should use that to
+ find the address of and then extract the returned value. */
/* FIXME: 2003-09-27: When returning from a nested inferior function
call, it's possible (with no help from the architecture vector)
to locate and return/print a "struct return" value. This is just
@@ -1084,9 +1087,9 @@ print_return_value (int struct_return, struct type *value_type)
}
else
{
- if (EXTRACT_STRUCT_VALUE_ADDRESS_P ())
+ if (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ())
{
- CORE_ADDR addr = EXTRACT_STRUCT_VALUE_ADDRESS (stop_registers);
+ CORE_ADDR addr = DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS (stop_registers);
if (!addr)
error ("Function return value unknown.");
value = value_at (value_type, addr, NULL);
diff --git a/gdb/m32r-tdep.c b/gdb/m32r-tdep.c
index 16ec1ff..3eff522 100644
--- a/gdb/m32r-tdep.c
+++ b/gdb/m32r-tdep.c
@@ -75,9 +75,9 @@ m32r_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
return sp & ~3;
}
-/* Should we use EXTRACT_STRUCT_VALUE_ADDRESS instead of
- EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc
- and TYPE is the type (which is known to be struct, union or array).
+/* Should we use DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS instead of
+ EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc and TYPE
+ is the type (which is known to be struct, union or array).
The m32r returns anything less than 8 bytes in size in
registers. */
@@ -939,8 +939,7 @@ m32r_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_extract_return_value (gdbarch, m32r_extract_return_value);
set_gdbarch_push_dummy_call (gdbarch, m32r_push_dummy_call);
set_gdbarch_store_return_value (gdbarch, m32r_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch,
- m32r_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m32r_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, m32r_use_struct_convention);
set_gdbarch_skip_prologue (gdbarch, m32r_skip_prologue);
diff --git a/gdb/m68hc11-tdep.c b/gdb/m68hc11-tdep.c
index 6aa2911..b84fdd3 100644
--- a/gdb/m68hc11-tdep.c
+++ b/gdb/m68hc11-tdep.c
@@ -1553,7 +1553,7 @@ m68hc11_gdbarch_init (struct gdbarch_info info,
set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
set_gdbarch_store_return_value (gdbarch, m68hc11_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m68hc11_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, m68hc11_use_struct_convention);
set_gdbarch_skip_prologue (gdbarch, m68hc11_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index 7938426..3d82bc0 100644
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -1093,8 +1093,7 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_extract_return_value (gdbarch, m68k_extract_return_value);
set_gdbarch_store_return_value (gdbarch, m68k_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch,
- m68k_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m68k_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, m68k_use_struct_convention);
set_gdbarch_frameless_function_invocation (gdbarch,
diff --git a/gdb/m68klinux-tdep.c b/gdb/m68klinux-tdep.c
index b39eebe..ed7e3ec 100644
--- a/gdb/m68klinux-tdep.c
+++ b/gdb/m68klinux-tdep.c
@@ -294,8 +294,7 @@ m68k_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_extract_return_value (gdbarch, m68k_linux_extract_return_value);
set_gdbarch_store_return_value (gdbarch, m68k_linux_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch,
- m68k_linux_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, m68k_linux_extract_struct_value_address);
set_gdbarch_pc_in_sigtramp (gdbarch, m68k_linux_pc_in_sigtramp);
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 57fe902..1743643 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -2892,7 +2892,7 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
else
set_gdbarch_push_dummy_call (gdbarch, rs6000_push_dummy_call);
- set_gdbarch_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address);
set_gdbarch_deprecated_pop_frame (gdbarch, rs6000_pop_frame);
set_gdbarch_skip_prologue (gdbarch, rs6000_skip_prologue);
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index 0e52652..2126759 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -2628,7 +2628,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_stab_reg_to_regnum (gdbarch, s390_stab_reg_to_regnum);
set_gdbarch_dwarf_reg_to_regnum (gdbarch, s390_stab_reg_to_regnum);
set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_stab_reg_to_regnum);
- set_gdbarch_extract_struct_value_address (gdbarch, s390_cannot_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, s390_cannot_extract_struct_value_address);
/* Parameters for inferior function calls. */
set_gdbarch_deprecated_pc_in_call_dummy (gdbarch, deprecated_pc_in_call_dummy_at_entry_point);
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c
index 8c7408b..1cf0c0f 100644
--- a/gdb/sh-tdep.c
+++ b/gdb/sh-tdep.c
@@ -2239,8 +2239,7 @@ sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_store_return_value (gdbarch, sh_default_store_return_value);
set_gdbarch_extract_return_value (gdbarch, sh_default_extract_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch,
- sh_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, sh_extract_struct_value_address);
set_gdbarch_skip_prologue (gdbarch, sh_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
diff --git a/gdb/sh64-tdep.c b/gdb/sh64-tdep.c
index 56063c1..5457254 100644
--- a/gdb/sh64-tdep.c
+++ b/gdb/sh64-tdep.c
@@ -2887,7 +2887,7 @@ sh64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_deprecated_push_return_address (gdbarch, sh64_push_return_address);
set_gdbarch_deprecated_dummy_write_sp (gdbarch, deprecated_write_sp);
set_gdbarch_deprecated_store_struct_return (gdbarch, sh64_store_struct_return);
- set_gdbarch_extract_struct_value_address (gdbarch, sh64_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, sh64_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch, sh64_use_struct_convention);
set_gdbarch_deprecated_pop_frame (gdbarch, sh64_pop_frame);
set_gdbarch_elf_make_msymbol_special (gdbarch,
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index ed48880..f8adccc 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -839,8 +839,8 @@ sparc32_return_value (struct gdbarch *gdbarch, struct type *type,
#if 0
/* NOTE: cagney/2004-01-17: For the moment disable this method. The
architecture and CORE-gdb will need new code (and a replacement for
- EXTRACT_STRUCT_VALUE_ADDRESS) before this can be made to work
- robustly. Here is a possible function signature: */
+ DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS) before this can be made to
+ work robustly. Here is a possible function signature: */
/* NOTE: cagney/2004-01-17: So far only the 32-bit SPARC ABI has been
identifed as having a way to robustly recover the address of a
struct-convention return-value (after the function has returned).
diff --git a/gdb/stack.c b/gdb/stack.c
index 73a6ec5..0a9052f 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -1857,6 +1857,9 @@ return_command (char *retval_exp, int from_tty)
is discarded, side effects such as "return i++" still
occure. */
return_value = NULL;
+ /* FIXME: cagney/2004-01-17: If the architecture implements both
+ return_value and extract_returned_value_address, should allow
+ "return" to work - don't set return_value to NULL. */
else if (!gdbarch_return_value_p (current_gdbarch)
&& (TYPE_CODE (return_type) == TYPE_CODE_STRUCT
|| TYPE_CODE (return_type) == TYPE_CODE_UNION))
@@ -1926,6 +1929,10 @@ If you continue, the return value that you specified will be ignored.\n";
STORE_RETURN_VALUE (return_type, current_regcache,
VALUE_CONTENTS (return_value));
}
+ /* FIXME: cagney/2004-01-17: If extract_returned_value_address
+ is available and the function is using
+ RETURN_VALUE_STRUCT_CONVENTION, should use it to find the
+ address of the returned value so that it can be assigned. */
else
{
gdb_assert (gdbarch_return_value (current_gdbarch, return_type,
diff --git a/gdb/values.c b/gdb/values.c
index 386e3bf..87baf21 100644
--- a/gdb/values.c
+++ b/gdb/values.c
@@ -1247,9 +1247,9 @@ register_value_being_returned (struct type *valtype, struct regcache *retbuf)
return val;
}
-/* Should we use EXTRACT_STRUCT_VALUE_ADDRESS instead of
- EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc
- and TYPE is the type (which is known to be struct, union or array).
+/* Should we use DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS instead of
+ EXTRACT_RETURN_VALUE? GCC_P is true if compiled with gcc and TYPE
+ is the type (which is known to be struct, union or array).
On most machines, the struct convention is used unless we are
using gcc and the type is of a special size. */
diff --git a/gdb/xstormy16-tdep.c b/gdb/xstormy16-tdep.c
index da875d3..48ac1a2 100644
--- a/gdb/xstormy16-tdep.c
+++ b/gdb/xstormy16-tdep.c
@@ -1076,7 +1076,7 @@ xstormy16_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_deprecated_pop_frame (gdbarch, xstormy16_pop_frame);
set_gdbarch_deprecated_store_struct_return (gdbarch, xstormy16_store_struct_return);
set_gdbarch_deprecated_store_return_value (gdbarch, xstormy16_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch, xstormy16_extract_struct_value_address);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch, xstormy16_extract_struct_value_address);
set_gdbarch_use_struct_convention (gdbarch,
xstormy16_use_struct_convention);
set_gdbarch_deprecated_call_dummy_words (gdbarch, call_dummy_words);
generated by cgit v1.1 at 2024-11-28 16:50:54 +0000