mirror of
https://github.com/radareorg/radare2.git
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af0a865d9f
- Adds endian aware functions - Removes references to host endian - Uses binary detected endianness else tries LE and restricts by RAsmPlugin - Fixes gdb debugger endianness when debugging BE qemu gdbserver Signed-off-by: Damien Zammit <damien@zamaudio.com>
99 lines
2.0 KiB
C
99 lines
2.0 KiB
C
/* radare - LGPL - Copyright 2011-2015 pancake */
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#include <r_types.h>
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#include <r_util.h>
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#include <r_lib.h>
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#include <r_asm.h>
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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static int assemble(RAsm *a, RAsmOp *op, const char *buf) {
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char *ipath, *opath;
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int ifd, ofd;
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const char *syntaxstr = "";
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char asm_buf[R_ASM_BUFSIZE];
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int len = 0;
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ifd = r_file_mkstemp ("r_as", &ipath);
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if (ifd == -1)
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return -1;
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ofd = r_file_mkstemp ("r_as", &opath);
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if (ofd == -1) {
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free (ipath);
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return -1;
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}
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if (a->syntax == R_ASM_SYNTAX_INTEL)
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syntaxstr = ".intel_syntax noprefix\n";
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if (a->syntax == R_ASM_SYNTAX_ATT)
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syntaxstr = ".att_syntax\n";
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len = snprintf (asm_buf, sizeof (asm_buf),
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"%s.code%i\n" //.org 0x%"PFMT64x"\n"
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".ascii \"BEGINMARK\"\n"
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"%s\n"
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".ascii \"ENDMARK\"\n",
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syntaxstr, a->bits, buf); // a->pc ??
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write (ifd, asm_buf, len);
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//write (1, asm_buf, len);
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close (ifd);
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if (!r_sys_cmdf ("as %s -o %s", ipath, opath)) {
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const ut8 *begin, *end;
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close (ofd);
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ofd = open (opath, O_BINARY|O_RDONLY);
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if (ofd < 0) {
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free (ipath);
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free (opath);
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return -1;
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}
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len = read (ofd, op->buf, R_ASM_BUFSIZE);
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begin = r_mem_mem (op->buf, len, (const ut8*)"BEGINMARK", 9);
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end = r_mem_mem (op->buf, len, (const ut8*)"ENDMARK", 7);
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if (!begin || !end) {
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eprintf ("Cannot find water marks\n");
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len = 0;
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} else {
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len = (int)(size_t)(end-begin-9);
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if (len>0) memcpy (op->buf, begin+9, len);
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else len = 0;
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}
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} else {
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eprintf ("Error running: as %s -o %s", ipath, opath);
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len = 0;
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}
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close (ofd);
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unlink (ipath);
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unlink (opath);
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free (ipath);
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free (opath);
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op->size = len;
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return len;
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}
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RAsmPlugin r_asm_plugin_x86_as = {
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.name = "x86.as",
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.desc = "Intel X86 GNU Assembler",
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.arch = "x86",
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.license = "LGPL3",
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// NOTE: 64bits is not supported on OSX's nasm :(
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.bits = 16|32|64,
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.endian = R_SYS_ENDIAN_LITTLE,
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.assemble = &assemble,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_x86_as,
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.version = R2_VERSION
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};
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#endif
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