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* stabsread.c (define_symbol): If REG_STRUCT_HAS_ADDR, also

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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.
This commit is contained in:
Jim Kingdon 1994-03-10 18:21:02 +00:00
parent 27677e75f4
commit f261371068
2 changed files with 10 additions and 4 deletions
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4
gdb/config/sparc/tm-sparc.h
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@ -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

10
gdb/stabsread.c
View File

@ -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;
}