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| author | Zdenek Radouch <radouch@cygnus> | 1999-01-15 22:17:00 +0000 |
|---|---|---|
| committer | Zdenek Radouch <radouch@cygnus> | 1999-01-15 22:17:00 +0000 |
| commit | 517b49896ac8e19c24f896903ac9b0e4560de610 (patch) | |
| tree | 2123f1856c6130071d0b1f2ca11353f7280610be | |
| parent | 93b84526e8cb07325f5221c73c30806599a436cf (diff) | |
| download | gdb-517b49896ac8e19c24f896903ac9b0e4560de610.zip gdb-517b49896ac8e19c24f896903ac9b0e4560de610.tar.gz gdb-517b49896ac8e19c24f896903ac9b0e4560de610.tar.bz2 | |
Changed ABI to match a GCC change. Structs passed by value are always
passed using a pointer.
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/config/fr30/tm-fr30.h | 15 |
2 files changed, 19 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index df444e8..8e52b1f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ + +Fri Jan 15 17:11:48 EST 1999 Zdenek Radouch (radouch@cygnus.com) + + * config/fr30/tm-fr30.h: Changed ABI to match GCC change + (always use pointer for structs passed by value). + 1999-01-15 Fernando Nasser <fnasser@totem.to.cygnus.com> * target.h: added entry for target queries (to_query) diff --git a/gdb/config/fr30/tm-fr30.h b/gdb/config/fr30/tm-fr30.h index 3870f88..ea32792 100644 --- a/gdb/config/fr30/tm-fr30.h +++ b/gdb/config/fr30/tm-fr30.h @@ -213,9 +213,20 @@ fr30_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp, #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) -/* always pass struct by value as a pointer */ -/* XXX Z.R. GCC does not do that today */ +/* Fujitsu's ABI requires all structs to be passed using a pointer. + That is obviously not very efficient, so I am leaving the definitions + to make gdb work with GCC style struct passing, in case we decide + to go for better performance, rather than for compatibility with + Fujitsu (just change STRUCT_ALWAYS_BY_ADDR to 0) */ + +#define STRUCT_ALWAYS_BY_ADDR 1 + +#if(STRUCT_ALWAYS_BY_ADDR) +#define REG_STRUCT_HAS_ADDR(gcc_p,type) 1 +#else +/* more standard GCC (optimized) */ #define REG_STRUCT_HAS_ADDR(gcc_p,type) \ ((TYPE_LENGTH(type) > 4) && (TYPE_LENGTH(type) & 0x3)) +#endif /* alway return struct by value by input pointer */ #define USE_STRUCT_CONVENTION(GCC_P, TYPE) 1 |