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authorStan Shebs <shebs@codesourcery.com>1993-10-29 01:03:08 +0000
committerStan Shebs <shebs@codesourcery.com>1993-10-29 01:03:08 +0000
commit146ef671556d73f5cf29d46941049c3a7c553e4e (patch)
treeb36eeea928af575c7296cabc1e8cc672856b8472 /include/coff
parentd33ace2e2572f70f12a01be39407e4533460ac0c (diff)
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First cut at Sparc coff definition.
Diffstat (limited to 'include/coff')
-rw-r--r--include/coff/sparc.h214
1 files changed, 214 insertions, 0 deletions
diff --git a/include/coff/sparc.h b/include/coff/sparc.h
new file mode 100644
index 0000000..1b948e9
--- /dev/null
+++ b/include/coff/sparc.h
@@ -0,0 +1,214 @@
+/*** coff information for Sparc. */
+
+/* This file is an amalgamation of several standard include files that
+ define coff format, such as filehdr.h, aouthdr.h, and so forth. In
+ addition, all datatypes have been translated into character arrays of
+ (presumed) equivalent size. This is necessary so that this file can
+ be used with different systems while still yielding the same results. */
+
+/********************** FILE HEADER **********************/
+
+struct external_filehdr
+{
+ char f_magic[2]; /* magic number */
+ char f_nscns[2]; /* number of sections */
+ char f_timdat[4]; /* time & date stamp */
+ char f_symptr[4]; /* file pointer to symtab */
+ char f_nsyms[4]; /* number of symtab entries */
+ char f_opthdr[2]; /* sizeof(optional hdr) */
+ char f_flags[2]; /* flags */
+};
+
+#define F_RELFLG (0x0001) /* relocation info stripped */
+#define F_EXEC (0x0002) /* file is executable */
+#define F_LNNO (0x0004) /* line numbers stripped */
+#define F_LSYMS (0x0008) /* local symbols stripped */
+
+#define SPARCMAGIC (0540)
+
+/* This is Lynx's all-platform magic number for executables. */
+
+#define LYNXCOFFMAGIC (0415)
+
+#define FILHDR struct external_filehdr
+#define FILHSZ sizeof(FILHDR)
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+
+typedef struct
+{
+ char magic[2]; /* type of file */
+ char vstamp[2]; /* version stamp */
+ char tsize[4]; /* text size in bytes, padded to FW bdry*/
+ char dsize[4]; /* initialized data " " */
+ char bsize[4]; /* uninitialized data " " */
+ char entry[4]; /* entry pt. */
+ char text_start[4]; /* base of text used for this file */
+ char data_start[4]; /* base of data used for this file */
+}
+AOUTHDR;
+
+#define AOUTSZ (sizeof(AOUTHDR))
+
+#define OMAGIC 0404 /* object files, eg as output */
+#define ZMAGIC 0413 /* demand load format, eg normal ld output */
+#define STMAGIC 0401 /* target shlib */
+#define SHMAGIC 0443 /* host shlib */
+
+/********************** SECTION HEADER **********************/
+
+struct external_scnhdr
+{
+ char s_name[8]; /* section name */
+ char s_paddr[4]; /* physical address, aliased s_nlib */
+ char s_vaddr[4]; /* virtual address */
+ char s_size[4]; /* section size */
+ char s_scnptr[4]; /* file ptr to raw data for section */
+ char s_relptr[4]; /* file ptr to relocation */
+ char s_lnnoptr[4]; /* file ptr to line numbers */
+ char s_nreloc[2]; /* number of relocation entries */
+ char s_nlnno[2]; /* number of line number entries*/
+ char s_flags[4]; /* flags */
+};
+
+#define SCNHDR struct external_scnhdr
+#define SCNHSZ sizeof(SCNHDR)
+
+/* Names of "special" sections. */
+
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _TV ".tv"
+#define _INIT ".init"
+#define _FINI ".fini"
+#define _COMMENT ".comment"
+#define _LIB ".lib"
+
+/********************** LINE NUMBERS **********************/
+
+/* 1 line number entry for every "breakpointable" source line in a section.
+ Line numbers are grouped on a per function basis; first entry in a function
+ grouping will have l_lnno = 0 and in place of physical address will be the
+ symbol table index of the function name. */
+
+struct external_lineno
+{
+ union {
+ char l_symndx[4]; /* fn name symbol index, iff l_lnno == 0 */
+ char l_paddr[4]; /* (physical) address of line number */
+ } l_addr;
+ char l_lnno[2]; /* line number */
+};
+
+#define LINENO struct external_lineno
+#define LINESZ (6)
+
+/********************** SYMBOLS **********************/
+
+#define E_SYMNMLEN (8) /* # characters in a symbol name */
+#define E_FILNMLEN (14) /* # characters in a file name */
+#define E_DIMNUM (4) /* # array dimensions in auxiliary entry */
+
+struct external_syment
+{
+ union {
+ char e_name[E_SYMNMLEN];
+ struct {
+ char e_zeroes[4];
+ char e_offset[4];
+ } e;
+#if 0 /* of doubtful value */
+ char e_nptr[2][4];
+ struct {
+ char e_leading_zero[1];
+ char e_dbx_type[1];
+ char e_dbx_desc[2];
+ } e_dbx;
+#endif
+ } e;
+
+ char e_value[4];
+ char e_scnum[2];
+ char e_type[2];
+ char e_sclass[1];
+ char e_numaux[1];
+ char padding[2];
+};
+
+#define N_BTMASK (0xf)
+#define N_TMASK (0x30)
+#define N_BTSHFT (4)
+#define N_TSHIFT (2)
+
+union external_auxent
+{
+ struct {
+ char x_tagndx[4]; /* str, un, or enum tag indx */
+ union {
+ struct {
+ char x_lnno[2]; /* declaration line number */
+ char x_size[2]; /* str/union/array size */
+ } x_lnsz;
+ char x_fsize[4]; /* size of function */
+ } x_misc;
+ union {
+ struct { /* if ISFCN, tag, or .bb */
+ char x_lnnoptr[4]; /* ptr to fcn line # */
+ char x_endndx[4]; /* entry ndx past block end */
+ } x_fcn;
+ struct { /* if ISARY, up to 4 dimen. */
+ char x_dimen[E_DIMNUM][2];
+ } x_ary;
+ } x_fcnary;
+ char x_tvndx[2]; /* tv index */
+ } x_sym;
+
+ union {
+ char x_fname[E_FILNMLEN];
+ struct {
+ char x_zeroes[4];
+ char x_offset[4];
+ } x_n;
+ } x_file;
+
+ struct {
+ char x_scnlen[4]; /* section length */
+ char x_nreloc[2]; /* # relocation entries */
+ char x_nlinno[2]; /* # line numbers */
+ } x_scn;
+
+ struct {
+ char x_tvfill[4]; /* tv fill value */
+ char x_tvlen[2]; /* length of .tv */
+ char x_tvran[2][2]; /* tv range */
+ } x_tv; /* .tv section info (in auxent of sym .tv)) */
+
+ char x_fill[20]; /* forces to 20-byte size */
+};
+
+#define SYMENT struct external_syment
+#define SYMESZ 20
+#define AUXENT union external_auxent
+#define AUXESZ 20
+
+#define _ETEXT "etext"
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
+ char r_spare[2];
+ char r_addend[4];
+};
+
+#define RELOC struct external_reloc
+#define RELSZ 10
+
+#define DEFAULT_DATA_SECTION_ALIGNMENT 4
+#define DEFAULT_BSS_SECTION_ALIGNMENT 4
+#define DEFAULT_TEXT_SECTION_ALIGNMENT 4
+/* For new sections we havn't heard of before */
+#define DEFAULT_SECTION_ALIGNMENT 4