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authorJim Kingdon <jkingdon@engr.sgi.com>1993-04-22 22:27:25 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1993-04-22 22:27:25 +0000
commit5afa2040f45d3772e759c2e148ad8bf33115c80a (patch)
tree1daadfad56d3ec827d2fe2e70f97b98abafb2117 /gdb/config/sparc
parent4365c36c9b87e20565b20c52809c781c50831a18 (diff)
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Thu Apr 22 14:50:05 1993 Jim Kingdon (kingdon@cygnus.com)
* symtab.h: Fix LOC_REF_ARG comment. Wed Apr 22 20:21:30 1993 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) and Jim Kingdon (kingdon@cygnus.com) * stabsread.c (define_symbol): Combine a 'p', 'r' arg pair to a LOC_REGPARM symbol. * config/sparc/tm-sparc.h (REG_STRUCT_HAS_ADDR): Revise comments. symfile.c (compare_symbols): Don't check first character; STRCMP does that. * stabsread.c (define_symbol): Generate a LOC_REGPARM_ADDR for structures that are passed by address in a register. * symtab.h (enum address_class): Add LOC_REGPARM_ADDR. * findvar.c (read_var_value), printcmd.c (address_info, print_frame_args), stack.c (print_frame_arg_vars), symmisc.c (print_{,partial_}symbol), * symtab.c (lookup_block_symbol): Deal with it.
Diffstat (limited to 'gdb/config/sparc')
-rw-r--r--gdb/config/sparc/tm-sparc.h12
1 files changed, 4 insertions, 8 deletions
diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h
index 9dcc7a4..d4acb9a 100644
--- a/gdb/config/sparc/tm-sparc.h
+++ b/gdb/config/sparc/tm-sparc.h
@@ -25,18 +25,14 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#define IEEE_FLOAT
/* When passing a structure to a function, Sun cc passes the address
- in a register, not the structure itself. It (under SunOS4) creates
- two symbols, so we get a LOC_ARG saying the address is on the stack
- (a lie, and a serious one since we don't know which register to
- use), and a LOC_REGISTER saying that the struct is in a register
- (sort of a lie, but fixable with REG_STRUCT_HAS_ADDR). 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.
+ 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.
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)
-#define STRUCT_ARG_SYM_GARBAGE(gcc_p) (gcc_p != 1)
/* If Pcc says that a parameter is a short, it's a short. This is
because the parameter does get passed in in a register as an int,