diff options
Diffstat (limited to 'gdb/config/mips/tm-mips.h')
| -rw-r--r-- | gdb/config/mips/tm-mips.h | 87 |
1 files changed, 49 insertions, 38 deletions
diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h index 3deb7b6..87fbfe6 100644 --- a/gdb/config/mips/tm-mips.h +++ b/gdb/config/mips/tm-mips.h @@ -27,6 +27,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define TARGET_BYTE_ORDER LITTLE_ENDIAN #endif +#if !defined (GDB_TARGET_IS_MIPS64) +#define GDB_TARGET_IS_MIPS64 0 +#endif + /* Floating point is IEEE compliant */ #define IEEE_FLOAT @@ -344,50 +348,57 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *)); /* Insert the specified number of args and function address into a call sequence of the above form stored at DUMMYNAME. */ -#if TARGET_BYTE_ORDER == BIG_ENDIAN && ! defined (GDB_TARGET_IS_MIPS64) /* For big endian mips machines we need to switch the order of the words with a floating-point value (it was already coerced to a double by mips_push_arguments). */ #define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p) \ - do { \ - ((int*)(dummyname))[11] |= ((unsigned long)(fun)) >> 16; \ - ((int*)(dummyname))[12] |= (unsigned short)(fun); \ - if (! mips_fpu) { \ - ((int *) (dummyname))[3] = 0; ((int *) (dummyname))[4] = 0; \ - ((int *) (dummyname))[5] = 0; ((int *) (dummyname))[6] = 0; \ - } else { \ - if (nargs > 0 && \ - TYPE_CODE(VALUE_TYPE(args[0])) == TYPE_CODE_FLT) { \ - if (TYPE_LENGTH(VALUE_TYPE(args[0])) > 8) \ - error ("Can't pass floating point value of more than 8 bytes to a function"); \ - ((int *) (dummyname))[3] = MK_OP(OP_LDFPR,SP_REGNUM,12,4); \ - ((int *) (dummyname))[4] = MK_OP(OP_LDFPR,SP_REGNUM,13,0); \ - } \ - if (nargs > 1 && \ - TYPE_CODE(VALUE_TYPE(args[1])) == TYPE_CODE_FLT) { \ - if (TYPE_LENGTH(VALUE_TYPE(args[1])) > 8) \ - error ("Can't pass floating point value of more than 8 bytes to a function"); \ - ((int *) (dummyname))[5] = MK_OP(OP_LDFPR,SP_REGNUM,14,12); \ - ((int *) (dummyname))[6] = MK_OP(OP_LDFPR,SP_REGNUM,15,8); \ - } \ + do \ + { \ + store_unsigned_integer \ + (dummyname + 11 * 4, 4, \ + (extract_unsigned_integer (dummyname + 11 * 4, 4) \ + | (((fun) >> 16) & 0xffff))); \ + store_unsigned_integer \ + (dummyname + 12 * 4, 4, \ + (extract_unsigned_integer (dummyname + 12 * 4, 4) \ + | ((fun) & 0xffff))); \ + if (! mips_fpu) \ + { \ + store_unsigned_integer (dummyname + 3 * 4, 4, \ + (unsigned LONGEST) 0); \ + store_unsigned_integer (dummyname + 4 * 4, 4, \ + (unsigned LONGEST) 0); \ + store_unsigned_integer (dummyname + 5 * 4, 4, \ + (unsigned LONGEST) 0); \ + store_unsigned_integer (dummyname + 6 * 4, 4, \ + (unsigned LONGEST) 0); \ + } \ + else if (TARGET_BYTE_ORDER == BIG_ENDIAN \ + && ! GDB_TARGET_IS_MIPS64) \ + { \ + if (nargs > 0 \ + && TYPE_CODE (VALUE_TYPE (args[0])) == TYPE_CODE_FLT) \ + { \ + if (TYPE_LENGTH (VALUE_TYPE (args[0])) > 8) \ + error ("floating point value too large to pass to function");\ + store_unsigned_integer \ + (dummyname + 3 * 4, 4, MK_OP (OP_LDFPR, SP_REGNUM, 12, 4));\ + store_unsigned_integer \ + (dummyname + 4 * 4, 4, MK_OP (OP_LDFPR, SP_REGNUM, 13, 0));\ + } \ + if (nargs > 1 \ + && TYPE_CODE (VALUE_TYPE (args[1])) == TYPE_CODE_FLT) \ + { \ + if (TYPE_LENGTH (VALUE_TYPE (args[1])) > 8) \ + error ("floating point value too large to pass to function");\ + store_unsigned_integer \ + (dummyname + 5 * 4, 4, MK_OP (OP_LDFPR, SP_REGNUM, 14, 12));\ + store_unsigned_integer \ + (dummyname + 6 * 4, 4, MK_OP (OP_LDFPR, SP_REGNUM, 15, 8));\ + } \ + } \ } \ - } while (0) -#else -#define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p)\ - do \ - { \ - ((int*)(dummyname))[11] |= ((unsigned long)(fun)) >> 16; \ - ((int*)(dummyname))[12] |= (unsigned short)(fun); \ - if (! mips_fpu) \ - { \ - ((int *) (dummyname))[3] = 0; \ - ((int *) (dummyname))[4] = 0; \ - ((int *) (dummyname))[5] = 0; \ - ((int *) (dummyname))[6] = 0; \ - } \ - } \ while (0) -#endif /* There's a mess in stack frame creation. See comments in blockframe.c near reference to INIT_FRAME_PC_FIRST. */ |