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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/* radare - LGPL - Copyright 2009-2014 - pancake */
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#include <r_core.h>
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typedef struct {
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RCore *core;
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char blockbuf[1024];
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char codebuf[1024];
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int oplen;
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ut8 buf[128];
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RAsmCode *acode;
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int blocklen;
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ut64 off;
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} RCoreVisualAsm;
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static int readline_callback(void *_a, const char *str) {
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RCoreVisualAsm *a = _a;
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int xlen;
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r_cons_clear00 ();
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r_cons_printf ("Write your favourite %s-%d opcode...\n\n",
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r_config_get (a->core->config, "asm.arch"),
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r_config_get_i (a->core->config, "asm.bits"));
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if (*str == '?') {
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r_cons_printf ("0> ?\n\n"
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"Visual assembler help:\n\n"
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" assemble input while typing using asm.arch, asm.bits and cfg.bigendian\n"
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" press enter to quit (prompt if there are bytes to be written)\n"
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" this assembler supports various directives like .hex ...\n"
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);
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} else {
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r_asm_code_free (a->acode);
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a->acode = r_asm_massemble (a->core->assembler, str);
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r_cons_printf ("%d> %s\n", a->acode? a->acode->len: 0, str);
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if (a->acode && a->acode->len)
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r_cons_printf ("* %s\n\n", a->acode->buf_hex);
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else r_cons_printf ("\n\n");
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if (a->acode) {
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xlen = strlen (a->acode->buf_hex);
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strcpy (a->codebuf, a->blockbuf);
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memcpy (a->codebuf, a->acode->buf_hex, xlen);
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}
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r_core_cmdf (a->core, "pd 7@b:%s @0x%"PFMT64x, a->codebuf, a->off);
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}
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r_cons_flush ();
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return 1;
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}
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R_API void r_core_visual_asm(RCore *core, ut64 off) {
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RCoreVisualAsm cva = {0};
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cva.core = core;
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cva.off = off;
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r_io_read_at (core->io, off, cva.buf, sizeof (cva.buf));
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cva.blocklen = r_hex_bin2str (cva.buf, sizeof (cva.buf), cva.blockbuf);
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r_line_readline_cb (readline_callback, &cva);
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if (cva.acode && cva.acode->len>0)
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if (r_cons_yesno ('y', "Save changes? (Y/n)"))
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r_core_cmdf (core, "wx %s @ 0x%"PFMT64x,
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cva.acode->buf_hex, off);
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r_asm_code_free (cva.acode);
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}
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