diff options
Diffstat (limited to 'gdb/config/mips/tm-mips.h')
| -rw-r--r-- | gdb/config/mips/tm-mips.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h index 3b8330fb0e8..244e35a0352 100644 --- a/gdb/config/mips/tm-mips.h +++ b/gdb/config/mips/tm-mips.h @@ -58,7 +58,7 @@ struct value; #endif /* Floating point is IEEE compliant */ -#define IEEE_FLOAT +#define IEEE_FLOAT (1) /* The name of the usual type of MIPS processor that is in the target system. */ @@ -185,10 +185,8 @@ extern char *mips_register_name PARAMS ((int regnr)); #define A0_REGNUM 4 /* Loc of first arg during a subr call */ #if MIPS_EABI #define MIPS_LAST_ARG_REGNUM 11 /* EABI uses R4 through R11 for args */ -#define MIPS_NUM_ARG_REGS 8 #else #define MIPS_LAST_ARG_REGNUM 7 /* old ABI uses R4 through R7 for args */ -#define MIPS_NUM_ARG_REGS 4 #endif #define T9_REGNUM 25 /* Contains address of callee in PIC */ #define SP_REGNUM 29 /* Contains address of top of stack */ @@ -203,10 +201,8 @@ extern char *mips_register_name PARAMS ((int regnr)); #define FPA0_REGNUM (FP0_REGNUM+12) /* First float argument register */ #if MIPS_EABI /* EABI uses F12 through F19 for args */ #define MIPS_LAST_FP_ARG_REGNUM (FP0_REGNUM+19) -#define MIPS_NUM_FP_ARG_REGS 8 #else /* old ABI uses F12 through F15 for args */ #define MIPS_LAST_FP_ARG_REGNUM (FP0_REGNUM+15) -#define MIPS_NUM_FP_ARG_REGS 4 #endif #define FCRCS_REGNUM 70 /* FP control/status */ #define FCRIR_REGNUM 71 /* FP implementation/revision */ @@ -430,8 +426,10 @@ extern void mips_pop_frame PARAMS ((void)); #define CALL_DUMMY_BREAKPOINT_OFFSET (0) -/* On Irix, $t9 ($25) contains the address of the callee (used for PIC). - It doesn't hurt to do this on other systems; $t9 will be ignored. */ +/* When calling functions on Irix 5 (or any MIPS SVR4 ABI compliant + platform), $t9 ($25) (Dest_Reg) contains the address of the callee + (used for PIC). It doesn't hurt to do this on other systems; $t9 + will be ignored. */ #define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p) \ write_register(T9_REGNUM, fun) |