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| author | Ian Lance Taylor <ian@airs.com> | 1993-01-15 23:20:27 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1993-01-15 23:20:27 +0000 |
| commit | 9dcfbb6781c465fa4bc3800265977c051229f432 (patch) | |
| tree | 229db46fa8ee2a8639d515f9822c523ad5c40f0a /include/coff/mips.h | |
| parent | 2aedd91ee1d5c6a551259dffe341e01ef6efbf19 (diff) | |
| download | gdb-9dcfbb6781c465fa4bc3800265977c051229f432.zip gdb-9dcfbb6781c465fa4bc3800265977c051229f432.tar.gz gdb-9dcfbb6781c465fa4bc3800265977c051229f432.tar.bz2 | |
Fri Jan 15 18:17:00 1993 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* ecoff-ext.h: Added prototypes for new ECOFF swapping functions.
(opt_ext): New structure.
* mips.h (ZMAGIC): Defined to be 0413.
(_LIB): Defined to be ".lib"
(external_reloc): MIPS ECOFF relocs are only 8 bytes. Added
macros to aid in swapping.
Diffstat (limited to 'include/coff/mips.h')
| -rw-r--r-- | include/coff/mips.h | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/include/coff/mips.h b/include/coff/mips.h index 594def0..5d15274 100644 --- a/include/coff/mips.h +++ b/include/coff/mips.h @@ -47,6 +47,7 @@ typedef struct external_aouthdr #define AOUTSZ (sizeof(AOUTHDR)) +#define ZMAGIC 0413 /* demand load format, eg normal ld output */ /********************** SECTION HEADER **********************/ @@ -77,6 +78,7 @@ struct external_scnhdr { #define _SBSS ".sbss" #define _LIT4 ".lit4" #define _LIT8 ".lit8" +#define _LIB ".lib" #define DEFAULT_DATA_SECTION_ALIGNMENT 4 #define DEFAULT_BSS_SECTION_ALIGNMENT 4 @@ -98,16 +100,38 @@ struct external_scnhdr { struct external_reloc { unsigned char r_vaddr[4]; - unsigned char r_symndx[4]; - unsigned char r_type[2]; - unsigned char pad[2]; + unsigned char r_bits[4]; }; +/* MIPS ECOFF uses a packed 8 byte format for relocs. These constants + are used to unpack the r_bits field. FIXME: Check these on a big + endian machine. */ + +#define RELOC_BITS0_SYMNDX_SH_LEFT_BIG 16 +#define RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE 0 + +#define RELOC_BITS1_SYMNDX_SH_LEFT_BIG 8 +#define RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE 8 + +#define RELOC_BITS2_SYMNDX_SH_LEFT_BIG 0 +#define RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE 16 + +#define RELOC_BITS3_TYPE_BIG 0x3C +#define RELOC_BITS3_TYPE_SH_BIG 2 +#define RELOC_BITS3_TYPE_LITTLE 0x78 +#define RELOC_BITS3_TYPE_SH_LITTLE 3 + +#define RELOC_BITS3_EXTERN_BIG 0x01 +#define RELOC_BITS3_EXTERN_LITTLE 0x80 + +/* We store the extern field in the r_offset field of a struct + internal_reloc. FIXME: Do this more sensibly. */ +#define r_extern r_offset /* Relevent values for r_type and ecoff. Would someone please document them */ #define RELOC struct external_reloc -#define RELSZ 12 +#define RELSZ 8 /* gcc uses mips-tfile to output type information in special stabs entries. These must match the corresponding definition in |