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.

diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog
index 50985ce..f1a832c 100644 (file)
--- a/include/coff/ChangeLog
+++ b/include/coff/ChangeLog
@@ -1,3 +1,12 @@
+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.
+
 Fri Jan  8 16:19:26 1993  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 
        * ecoff-ext.h: Added prototypes for ECOFF swapping functions.

diff --git a/include/coff/ecoff-ext.h b/include/coff/ecoff-ext.h
index bce6765..d47d369 100644 (file)
--- a/include/coff/ecoff-ext.h
+++ b/include/coff/ecoff-ext.h
@@ -300,14 +300,46 @@ struct rfd_ext {
   unsigned char        rfd[4];
 };
 
+/* Optimizer symbol external record */
+
+struct opt_ext {
+  unsigned char o_bits1[1];
+  unsigned char o_bits2[1];
+  unsigned char o_bits3[1];
+  unsigned char o_bits4[1];
+  struct rndx_ext o_rndx;
+  unsigned char o_offset[4];
+};
+
+#define OPT_BITS2_VALUE_SH_LEFT_BIG    16
+#define OPT_BITS2_VALUE_SH_LEFT_LITTLE 0
+
+#define OPT_BITS3_VALUE_SH_LEFT_BIG    8
+#define OPT_BITS3_VALUE_SH_LEFT_LITTLE 8
+
+#define OPT_BITS4_VALUE_SH_LEFT_BIG    0
+#define OPT_BITS4_VALUE_SH_LEFT_LITTLE 16
+
 /* Prototypes for the swapping functions.  These require that sym.h be
    included before this file.  */
 extern void ecoff_swap_hdr_in PARAMS ((bfd *, struct hdr_ext *, HDRR *));
+extern void ecoff_swap_hdr_out PARAMS ((bfd *, HDRR *, struct hdr_ext *));
 extern void ecoff_swap_fdr_in PARAMS ((bfd *, struct fdr_ext *, FDR *));
+extern void ecoff_swap_fdr_out PARAMS ((bfd *, FDR *, struct fdr_ext *));
 extern void ecoff_swap_pdr_in PARAMS ((bfd *, struct pdr_ext *, PDR *));
+extern void ecoff_swap_pdr_out PARAMS ((bfd *, PDR *, struct pdr_ext *));
 extern void ecoff_swap_sym_in PARAMS ((bfd *, struct sym_ext *, SYMR *));
+extern void ecoff_swap_sym_out PARAMS ((bfd *, SYMR *, struct sym_ext *));
 extern void ecoff_swap_ext_in PARAMS ((bfd *, struct ext_ext *, EXTR *));
+extern void ecoff_swap_ext_out PARAMS ((bfd *, EXTR *, struct ext_ext *));
+extern void ecoff_swap_dnr_in PARAMS ((bfd *, struct dnr_ext *, DNR *));
+extern void ecoff_swap_dnr_out PARAMS ((bfd *, DNR *, struct dnr_ext *));
 extern void ecoff_swap_tir_in PARAMS ((int bigend, struct tir_ext *, TIR *));
 extern void ecoff_swap_rndx_in PARAMS ((int bigend, struct rndx_ext *,
                                        RNDXR *));
+extern void ecoff_swap_rndx_out PARAMS ((int bigend, RNDXR *,
+                                        struct rndx_ext *));
 extern void ecoff_swap_rfd_in PARAMS ((bfd *, struct rfd_ext *, RFDT *));
+extern void ecoff_swap_rfd_out PARAMS ((bfd *, RFDT *, struct rfd_ext *));
+extern void ecoff_swap_opt_in PARAMS ((bfd *, struct opt_ext *, OPTR *));
+extern void ecoff_swap_opt_out PARAMS ((bfd *, OPTR *, struct opt_ext *));

diff --git a/include/coff/mips.h b/include/coff/mips.h
index 594def0..5d15274 100644 (file)
--- 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