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authorJim Kingdon <jkingdon@engr.sgi.com>1994-03-10 18:21:02 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1994-03-10 18:21:02 +0000
commitf26137106836aa7d2d733f775c4f1cd9e07b6fc5 (patch)
tree987831bdd433d60861bf60f58d388e82d4b0347e
parent27677e75f4c55f847f5223b360aa93c2be6ef165 (diff)
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* stabsread.c (define_symbol): If REG_STRUCT_HAS_ADDR, also
convert a LOC_ARG to a LOC_REF_ARG. Update code which combines 'p' and 'r' symbol descriptors into a single symbol to look for a LOC_REF_ARG. * README, config/sparc/tm-sparc.h: Update comments.
-rw-r--r--gdb/config/sparc/tm-sparc.h4
-rw-r--r--gdb/stabsread.c10
2 files changed, 10 insertions, 4 deletions
diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h
index 69899b8..5fe91a8 100644
--- a/gdb/config/sparc/tm-sparc.h
+++ b/gdb/config/sparc/tm-sparc.h
@@ -28,10 +28,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
not the structure itself. It (under SunOS4) creates two symbols,
which we need to combine to a LOC_REGPARM. Gcc version two (as of
1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart enough to
- distinguish between Sun cc, gcc version 1 and gcc version 2.
+ distinguish between Sun cc, gcc version 1 and gcc version 2. */
- This still doesn't work if the argument is not one passed in a
- register (i.e. it's the 7th or later argument). */
#define REG_STRUCT_HAS_ADDR(gcc_p) (gcc_p != 1)
/* Sun /bin/cc gets this right as of SunOS 4.1.x. We need to define
diff --git a/gdb/stabsread.c b/gdb/stabsread.c
index 4a6ccda..ec88be1 100644
--- a/gdb/stabsread.c
+++ b/gdb/stabsread.c
@@ -989,7 +989,7 @@ define_symbol (valu, string, desc, type, objfile)
{
struct symbol *prev_sym;
prev_sym = local_symbols->symbol[local_symbols->nsyms - 1];
- if (SYMBOL_CLASS (prev_sym) == LOC_ARG
+ if (SYMBOL_CLASS (prev_sym) == LOC_REF_ARG
&& STREQ (SYMBOL_NAME (prev_sym), SYMBOL_NAME(sym)))
{
SYMBOL_CLASS (prev_sym) = LOC_REGPARM;
@@ -1181,6 +1181,14 @@ define_symbol (valu, string, desc, type, objfile)
|| (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)))
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
+ /* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th and
+ subsequent arguments on the sparc, for example). */
+ if (SYMBOL_CLASS (sym) == LOC_ARG
+ && REG_STRUCT_HAS_ADDR (processing_gcc_compilation)
+ && ((TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT)
+ || (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_UNION)))
+ SYMBOL_CLASS (sym) = LOC_REF_ARG;
+
return sym;
}