26 Mar
2005
26 Mar
'05
10:19 a.m.
Added tools needed to build the ppc boot program.
Modified: trunk/reactos/tools/Makefile
Added: trunk/reactos/tools/hack-coff.c
Added: trunk/reactos/tools/ppc-le2be.c
Added: trunk/reactos/tools/rs6000.h
_____
Modified: trunk/reactos/tools/Makefile
--- trunk/reactos/tools/Makefile 2005-03-26 09:38:23 UTC (rev
14327)
+++ trunk/reactos/tools/Makefile 2005-03-26 10:19:48 UTC (rev
14328)
@@ -14,6 +14,8 @@
rsym$(EXE_POSTFIX) \
rtouch$(EXE_POSTFIX) \
mkflpimg$(EXE_POSTFIX) \
+ ppc-le2be$(EXE_POSTFIX) \
+ hack-coff$(EXE_POSTFIX) \
depends$(EXE_POSTFIX)
LIBS = lib_unicode lib_wpp
@@ -96,6 +98,24 @@
@$(HOST_CC) $(CFLAGS) -DDOS_PATHS mkflpimg.c -o
mkflpimg$(EXE_POSTFIX)
endif
+ifeq ($(HOST),mingw32-linux)
+hack-coff$(EXE_POSTFIX): hack-coff.c
+ @$(HOST_CC) $(CFLAGS) hack-coff.c -o hack-coff$(EXE_POSTFIX)
+endif
+ifeq ($(HOST),mingw32-windows)
+hack-coff$(EXE_POSTFIX): hack-coff.c
+ @$(HOST_CC) $(CFLAGS) hack-coff.c -o hack-coff$(EXE_POSTFIX)
+endif
+
+ifeq ($(HOST),mingw32-linux)
+ppc-le2be$(EXE_POSTFIX): ppc-le2be.c
+ @$(HOST_CC) $(CFLAGS) ppc-le2be.c -o ppc-le2be$(EXE_POSTFIX)
+endif
+ifeq ($(HOST),mingw32-windows)
+ppc-le2be$(EXE_POSTFIX): ppc-le2be.c
+ @$(HOST_CC) $(CFLAGS) ppc-le2be.c -o ppc-le2be$(EXE_POSTFIX)
+endif
+
depends$(EXE_POSTFIX): depends.c
@$(HOST_CC) $(CFLAGS) depends.c -o depends$(EXE_POSTFIX)
_____
Added: trunk/reactos/tools/hack-coff.c
--- trunk/reactos/tools/hack-coff.c 2005-03-26 09:38:23 UTC (rev
14327)
+++ trunk/reactos/tools/hack-coff.c 2005-03-26 10:19:48 UTC (rev
14328)
@@ -0,0 +1,83 @@
+/*
+ * hack-coff.c - hack the header of an xcoff file to fill in
+ * a few fields needed by the Open Firmware xcoff loader on
+ * Power Macs but not initialized by objcopy.
+ *
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include "rs6000.h"
+
+#define AOUT_MAGIC 0x010b
+
+#define get_16be(x) ((((unsigned char *)(x))[0] << 8) \
+ + ((unsigned char *)(x))[1])
+#define put_16be(x, v) (((unsigned char *)(x))[0] = (v) >> 8, \
+ ((unsigned char *)(x))[1] = (v) & 0xff)
+#define get_32be(x) ((((unsigned char *)(x))[0] << 24) \
+ + (((unsigned char *)(x))[1] << 16) \
+ + (((unsigned char *)(x))[2] << 8) \
+ + ((unsigned char *)(x))[3])
+
+int main(int ac, char **av)
+{
+ int fd;
+ int i, nsect;
+ int aoutsz;
+ struct external_filehdr fhdr;
+ AOUTHDR aout;
+ struct external_scnhdr shdr;
+
+ if (ac != 2) {
+ fprintf(stderr, "Usage: hack-coff coff-file\n");
+ exit(1);
+ }
+ if ((fd = open(av[1], 2)) == -1) {
+ perror(av[2]);
+ exit(1);
+ }
+ if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr))
+ goto readerr;
+ i = get_16be(fhdr.f_magic);
+ if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) {
+ fprintf(stderr, "%s: not an xcoff file\n", av[1]);
+ exit(1);
+ }
+ aoutsz = get_16be(fhdr.f_opthdr);
+ if (read(fd, &aout, aoutsz) != aoutsz)
+ goto readerr;
+ nsect = get_16be(fhdr.f_nscns);
+ for (i = 0; i < nsect; ++i) {
+ if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr))
+ goto readerr;
+ if (strcmp(shdr.s_name, ".text") == 0) {
+ put_16be(aout.o_snentry, i+1);
+ put_16be(aout.o_sntext, i+1);
+ } else if (strcmp(shdr.s_name, ".data") == 0) {
+ put_16be(aout.o_sndata, i+1);
+ } else if (strcmp(shdr.s_name, ".bss") == 0) {
+ put_16be(aout.o_snbss, i+1);
+ }
+ }
+ put_16be(aout.magic, AOUT_MAGIC);
+ if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1
+ || write(fd, &aout, aoutsz) != aoutsz) {
+ fprintf(stderr, "%s: write error\n", av[1]);
+ exit(1);
+ }
+ close(fd);
+ exit(0);
+
+readerr:
+ fprintf(stderr, "%s: read error or file too short\n", av[1]);
+ exit(1);
+}
_____
Added: trunk/reactos/tools/ppc-le2be.c
--- trunk/reactos/tools/ppc-le2be.c 2005-03-26 09:38:23 UTC (rev
14327)
+++ trunk/reactos/tools/ppc-le2be.c 2005-03-26 10:19:48 UTC (rev
14328)
@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+int main( int argc, char **argv ) {
+ char buf[8];
+ int rlen, i;
+ FILE *fin = NULL, *fout = NULL;
+
+ if( argc < 3 ) return 1;
+
+ fin = fopen( argv[1], "rb" );
+
+ if( fin )
+ fout = fopen( argv[2], "wb" );
+ if( !fout ) return 1;
+
+ do {
+ rlen = fread( buf, 1, 8, fin );
+ for( i = 7; rlen > 0 && i >= 0; i-- ) fputc( buf[i], fout );
+ }
+ while( rlen == 8 );
+
+ fclose( fout );
+
+ return 0;
+}
_____
Added: trunk/reactos/tools/rs6000.h
--- trunk/reactos/tools/rs6000.h 2005-03-26 09:38:23 UTC (rev
14327)
+++ trunk/reactos/tools/rs6000.h 2005-03-26 10:19:48 UTC (rev
14328)
@@ -0,0 +1,243 @@
+/* IBM RS/6000 "XCOFF" file definitions for BFD.
+ Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+ FIXME: Can someone provide a transliteration of this name into
ASCII?
+ Using the following chars caused a compiler warning on HIUX (so I
replaced
+ them with octal escapes), and isn't useful without an understanding
of what
+ character set it is.
+ Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM
+ and John Gilmore of Cygnus Support. */
+
+/********************** 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 */
+};
+
+ /* IBM RS/6000 */
+#define U802WRMAGIC 0730 /* writeable text segments **chh**
*/
+#define U802ROMAGIC 0735 /* readonly sharable text segments
*/
+#define U802TOCMAGIC 0737 /* readonly text segments and TOC
*/
+
+#define BADMAG(x) \
+ ((x).f_magic != U802ROMAGIC && (x).f_magic != U802WRMAGIC && \
+ (x).f_magic != U802TOCMAGIC)
+
+#define FILHDR struct external_filehdr
+#define FILHSZ 20
+
+
+/********************** AOUT "OPTIONAL HEADER" **********************/
+
+
+typedef struct
+{
+ unsigned char magic[2]; /* type of file
*/
+ unsigned char vstamp[2]; /* version stamp
*/
+ unsigned char tsize[4]; /* text size in bytes, padded to
FW bdry */
+ unsigned char dsize[4]; /* initialized data " "
*/
+ unsigned char bsize[4]; /* uninitialized data " "
*/
+ unsigned char entry[4]; /* entry pt.
*/
+ unsigned char text_start[4]; /* base of text used for this
file */
+ unsigned char data_start[4]; /* base of data used for this
file */
+ unsigned char o_toc[4]; /* address of TOC */
+ unsigned char o_snentry[2]; /* section number of entry point
*/
+ unsigned char o_sntext[2]; /* section number of .text
section */
+ unsigned char o_sndata[2]; /* section number of .data
section */
+ unsigned char o_sntoc[2]; /* section number of TOC */
+ unsigned char o_snloader[2]; /* section number of .loader
section */
+ unsigned char o_snbss[2]; /* section number of .bss
section */
+ unsigned char o_algntext[2]; /* .text alignment */
+ unsigned char o_algndata[2]; /* .data alignment */
+ unsigned char o_modtype[2]; /* module type (??) */
+ unsigned char o_cputype[2]; /* cpu type */
+ unsigned char o_maxstack[4]; /* max stack size (??) */
+ unsigned char o_maxdata[4]; /* max data size (??) */
+ unsigned char o_resv2[12]; /* reserved */
+}
+AOUTHDR;
+
+#define AOUTSZ 72
+#define SMALL_AOUTSZ (28)
+#define AOUTHDRSZ 72
+
+#define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data
writeable */
+#define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data
r/w */
+#define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both
page-aligned */
+
+
+/********************** 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
*/
+};
+
+/*
+ * names of "special" sections
+ */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _PAD ".pad"
+#define _LOADER ".loader"
+
+#define SCNHDR struct external_scnhdr
+#define SCNHSZ 40
+
+/* XCOFF uses a special .loader section with type STYP_LOADER. */
+#define STYP_LOADER 0x1000
+
+/* XCOFF uses a special .debug section with type STYP_DEBUG. */
+#define STYP_DEBUG 0x2000
+
+/* XCOFF handles line number or relocation overflow by creating
+ another section header with STYP_OVRFLO set. */
+#define STYP_OVRFLO 0x8000
+
+/********************** 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
*/
+#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;
+ } e;
+ char e_value[4];
+ char e_scnum[2];
+ char e_type[2];
+ char e_sclass[1];
+ char e_numaux[1];
+};
+
+
+
+#define N_BTMASK (017)
+#define N_TMASK (060)
+#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; /* info about .tv section (in auxent of symbol
.tv)) */
+
+ struct {
+ unsigned char x_scnlen[4];
+ unsigned char x_parmhash[4];
+ unsigned char x_snhash[2];
+ unsigned char x_smtyp[1];
+ unsigned char x_smclas[1];
+ unsigned char x_stab[4];
+ unsigned char x_snstab[2];
+ } x_csect;
+
+};
+
+#define SYMENT struct external_syment
+#define SYMESZ 18
+#define AUXENT union external_auxent
+#define AUXESZ 18
+#define DBXMASK 0x80 /* for dbx storage mask */
+#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK)
+
+
+
+/********************** RELOCATION DIRECTIVES **********************/
+
+
+struct external_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_size[1];
+ char r_type[1];
+};
+
+
+#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
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