054862cfa1
for internalcoff, separately from the various external coff's. * amdcoff.h, bcs88kcoff.h, i386coff.h, intel-coff.h, m68kcoff.h, m88k-bcs.h: Prefix SYMNMLEN, FILNMLEN, and DIMNUM with E_'s for the external struct definitions. * ecoff.h: Remove these #define's, kludge no longer needed.
96 lines
2.6 KiB
C
Executable File
96 lines
2.6 KiB
C
Executable File
/* Rudimentary ECOFF support on MIPS machines.
|
|
This lacks symbol information, normally provided on MIPS Unix systems
|
|
in the files <sym.h> and <symconst.h>. */
|
|
|
|
/********************** 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 */
|
|
};
|
|
|
|
|
|
/* Mips magics */
|
|
#define MIPS_MAGIC_1 0x0180
|
|
#define MIPS_MAGIC_2 0x0162
|
|
#define MIPS_MAGIC_3 0x0160
|
|
|
|
#define ECOFFBADMAG(x) (((x).f_magic!=MIPS_MAGIC_1) && \
|
|
((x).f_magic!=MIPS_MAGIC_2) &&\
|
|
((x).f_magic!=MIPS_MAGIC_3))
|
|
|
|
|
|
#define FILHDR struct external_filehdr
|
|
#define FILHSZ 20
|
|
|
|
/********************** AOUT "OPTIONAL HEADER" **********************/
|
|
|
|
|
|
typedef struct external_aouthdr
|
|
{
|
|
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;
|
|
|
|
/* compute size of a header */
|
|
|
|
#define AOUTSZ (sizeof(AOUTHDR))
|
|
|
|
|
|
/********************** 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 DEFAULT_DATA_SECTION_ALIGNMENT 4
|
|
#define DEFAULT_BSS_SECTION_ALIGNMENT 4
|
|
#define DEFAULT_TEXT_SECTION_ALIGNMENT 16
|
|
/* For new sections we havn't heard of before */
|
|
#define DEFAULT_SECTION_ALIGNMENT 4
|
|
|
|
/********************** RELOCATION DIRECTIVES **********************/
|
|
|
|
struct external_reloc {
|
|
char r_vaddr[4];
|
|
char r_symndx[4];
|
|
char r_type[2];
|
|
char pad[2];
|
|
};
|
|
|
|
|
|
/* Relevent values for r_type and ecoff. Would someone please document them */
|
|
|
|
#define RELOC struct external_reloc
|
|
#define RELSZ 12
|