--- /dev/null
+/*** coff information for the powerpc. */
+
+
+/********************** 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 */
+};
+
+/* Bits for f_flags:
+ * F_RELFLG relocation info stripped from file
+ * F_EXEC file is executable (no unresolved external references)
+ * F_LNNO line numbers stripped from file
+ * F_LSYMS local symbols stripped from file
+ * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
+ */
+
+#define F_RELFLG (0x0001)
+#define F_EXEC (0x0002)
+#define F_LNNO (0x0004)
+#define F_LSYMS (0x0008)
+
+/* made this one up by looking at the .o on the ppc nt box */
+#define PPCMAGIC 0760
+
+/* extra NT defines */
+#define DOSMAGIC 0x5a4d
+#define NT_SIGNATURE 0x00004550
+
+#define PPCBADMAG(x) ((x).f_magic != PPCMAGIC)
+
+#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;
+
+
+/* Blindly imported from coff-i386.h (krk) */
+
+#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 */
+
+
+/* define some NT default values */
+/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
+#define NT_SECTION_ALIGNMENT 0x1000
+#define NT_FILE_ALIGNMENT 0x200 /* 0x1000 */ /* 0x200 */
+#define NT_DEF_RESERVE 0x100000
+#define NT_DEF_COMMIT 0x1000
+
+/********************** 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 _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]; /* function 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 */
+
+
+/* Allow the file name length to be overridden */
+#ifndef E_FILNMLEN
+#define E_FILNMLEN 14 /* # characters in a file name */
+#endif
+
+#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;
+ } e;
+ char e_value[4];
+ char e_scnum[2];
+ char e_type[2];
+ char e_sclass[1];
+ char e_numaux[1];
+};
+
+#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;
+};
+
+#define SYMENT struct external_syment
+#define SYMESZ 18
+#define AUXENT union external_auxent
+#define AUXESZ 18
+
+
+# define _ETEXT "etext"
+
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
+};
+
+
+#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
projects / binutils-gdb.git / commitdiff