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* config/mn10200/tm-mn10200.h (STORE_STRUCT_RETURN): Fix.

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* mn10200-tdep.c (mn10200_store_struct_return): New function.
        (REG_STRUCT_HAS_ADDR): Tweak.
Fixes most of the structs.exp tests.
This commit is contained in:
Jeff Law
1997-02-12 00:48:47 +00:00
parent 380c32d50d
commit d601a41faa
3 changed files with 32 additions and 4 deletions
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4
gdb/ChangeLog
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@ -8,6 +8,10 @@ Tue Feb 11 15:36:31 1997 Doug Evans <dje@canuck.cygnus.com>
end-sanitize-m32r end-sanitize-m32r
Tue Feb 11 12:28:09 1997 Jeffrey A Law (law@cygnus.com) Tue Feb 11 12:28:09 1997 Jeffrey A Law (law@cygnus.com)
* config/mn10200/tm-mn10200.h (STORE_STRUCT_RETURN): Fix.
* mn10200-tdep.c (mn10200_store_struct_return): New function.
(REG_STRUCT_HAS_ADDR): Tweak.
* config/mn10200/tm-mn10200.h (EXTRACT_RETURN_VALUE): Fix case when * config/mn10200/tm-mn10200.h (EXTRACT_RETURN_VALUE): Fix case when
extracting a return value from a register pair. extracting a return value from a register pair.

8
gdb/config/mn10200/tm-mn10200.h
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@ -154,8 +154,8 @@ extern CORE_ADDR mn10200_frame_saved_pc PARAMS ((struct frame_info *));
} \ } \
} }
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) write_register (0, STRUCT_ADDR); #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
(SP) = mn10200_store_struct_return (STRUCT_ADDR, SP)
extern CORE_ADDR mn10200_skip_prologue PARAMS ((CORE_ADDR)); extern CORE_ADDR mn10200_skip_prologue PARAMS ((CORE_ADDR));
#define SKIP_PROLOGUE(pc) pc = mn10200_skip_prologue (pc) #define SKIP_PROLOGUE(pc) pc = mn10200_skip_prologue (pc)
@ -190,8 +190,8 @@ mn10200_push_arguments PARAMS ((int, struct value **, CORE_ADDR,
#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
#define REG_STRUCT_HAS_ADDR(gcc_p,type) \ #define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \
(TYPE_LENGTH (type) > 8) (TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 8)
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \ #define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
(TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 8) (TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 8)

24
gdb/mn10200-tdep.c
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@ -595,6 +595,30 @@ mn10200_push_return_address (pc, sp)
return sp - 4; return sp - 4;
} }
/* Function: store_struct_return (addr,sp)
Store the structure value return address for an inferior function
call. */
CORE_ADDR
mn10200_store_struct_return (addr, sp)
CORE_ADDR addr;
CORE_ADDR sp;
{
unsigned char buf1[4];
unsigned char buf2[4];
/* Get the saved PC and hold onto it. */
target_read_memory (sp, buf1, 4);
/* Now push the structure value address. */
store_unsigned_integer (buf2, 4, addr);
write_memory (sp, buf2, 4);
/* Now push the saved PC back onto the stack. */
target_write_memory (sp - 4, buf1, 4);
return sp - 4;
}
/* Function: frame_saved_pc /* Function: frame_saved_pc
Find the caller of this frame. We do this by seeing if RP_REGNUM Find the caller of this frame. We do this by seeing if RP_REGNUM
is saved in the stack anywhere, otherwise we get it from the is saved in the stack anywhere, otherwise we get it from the