mirror of
https://github.com/radareorg/radare2.git
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307 lines
7.4 KiB
C
307 lines
7.4 KiB
C
/* radare - LGPL - Copyright 2008-2013 - pancake, nibble */
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#include "r_io.h"
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R_API void r_io_section_init(RIO *io) {
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io->next_section_id = 0;
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io->enforce_rwx = 0; // do not enforce RWX section permissions by default
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io->enforce_seek = 0; // do not limit seeks out of the file by default
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io->sections = r_list_new ();
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}
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#if 0
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static int cmpaddr (void *_a, void *_b) {
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RIOSection *a = _a, *b = _b;
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return (a->vaddr > b->vaddr);
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}
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#endif
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R_API RIOSection *r_io_section_get_name(RIO *io, const char *name) {
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RListIter *iter;
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RIOSection *s;
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if (name)
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r_list_foreach (io->sections, iter, s) {
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if (!strcmp (name, s->name))
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return s;
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}
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return NULL;
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}
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R_API void r_io_section_add(RIO *io, ut64 offset, ut64 vaddr, ut64 size, ut64 vsize, int rwx, const char *name) {
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int update = 0;
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RIOSection *s;
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if (size==0 || size>0xf0000000) {
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if (size>0 && size != UT64_MAX && size != UT32_MAX)
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eprintf ("Invalid size (0x%08"PFMT64x") for section '%s' at 0x%08"PFMT64x"\n",
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size, name, vaddr);
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return;
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}
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s = r_io_section_get_name (io, name);
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if (s == NULL) {
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s = R_NEW (RIOSection);
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s->id = io->next_section_id++;
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} else update = 1;
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s->offset = offset;
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s->vaddr = vaddr;
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s->size = size;
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s->vsize = vsize;
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s->rwx = rwx;
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s->arch = s->bits = 0;
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if (!update) {
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if (name) strncpy (s->name, name, sizeof (s->name)-4);
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else *s->name = '\0';
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r_list_append (io->sections, s);
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}
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}
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R_API RIOSection *r_io_section_get_i(RIO *io, int idx) {
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RListIter *iter;
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RIOSection *s;
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r_list_foreach (io->sections, iter, s) {
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if (s->id == idx)
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return s;
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}
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return NULL;
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}
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R_API int r_io_section_rm(RIO *io, int idx) {
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return r_list_del_n (io->sections, idx);
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}
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// TODO: implement as callback
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R_API void r_io_section_list(RIO *io, ut64 offset, int rad) {
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int i = 0;
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RListIter *iter;
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RIOSection *s;
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if (io->va || io->debug)
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offset = r_io_section_vaddr_to_offset (io, offset);
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r_list_foreach (io->sections, iter, s) {
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if (rad) {
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char *n = strdup (s->name);
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r_name_filter (n, strlen (n));
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io->printf ("f section.%s %"PFMT64d" 0x%"PFMT64x"\n",
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n, s->size, s->vaddr);
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io->printf ("S 0x%08"PFMT64x" 0x%08"PFMT64x" 0x%08"
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PFMT64x" 0x%08"PFMT64x" %s %s\n", s->offset,
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s->vaddr, s->size, s->vsize, n, r_str_rwx_i (s->rwx));
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} else {
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io->printf ("[%02d] %c 0x%08"PFMT64x" %s va=0x%08"PFMT64x
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" sz=0x%08"PFMT64x" vsz=%08"PFMT64x" %s",
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s->id, (offset>=s->offset && offset<s->offset+s->size)?'*':'.',
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s->offset, r_str_rwx_i (s->rwx), s->vaddr, s->size, s->vsize, s->name);
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if (s->arch && s->bits)
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io->printf (" ; %s %d\n", r_sys_arch_str (s->arch), s->bits);
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else io->printf ("\n");
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}
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i++;
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}
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}
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/* TODO: move to print ??? support pretty print of ranges following an array of offsetof */
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R_API void r_io_section_list_visual(RIO *io, ut64 seek, ut64 len) {
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RListIter *iter;
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RIOSection *s;
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ut64 min = -1;
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ut64 max = -1;
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ut64 mul;
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int j, i, width = 30; //config.width-30;
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seek = (io->va || io->debug) ? r_io_section_vaddr_to_offset (io, seek) : seek;
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r_list_foreach (io->sections, iter, s) {
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if (min == -1 || s->offset < min)
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min = s->offset;
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if (max == -1 || s->offset+s->size > max)
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max = s->offset+s->size;
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}
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mul = (max-min) / width;
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if (min != -1 && mul != 0) {
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i = 0;
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r_list_foreach (io->sections, iter, s) {
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io->printf ("%02d%c 0x%08"PFMT64x" |",
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i, (seek>=s->offset && seek<s->offset+s->size)?'*':' ', s->offset);
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for (j=0; j<width; j++) {
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ut64 pos = min + (j*mul);
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ut64 npos = min + ((j+1)*mul);
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if (s->offset <npos && (s->offset+s->size)>pos)
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io->printf ("#");
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else io->printf ("-");
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}
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io->printf ("| 0x%08"PFMT64x" %s %s\n", s->offset+s->size,
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r_str_rwx_i (s->rwx), s->name);
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i++;
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}
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/* current seek */
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if (i>0 && len != 0) {
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if (seek == UT64_MAX)
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seek = 0;
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//len = 8096;//r_io_size (io);
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io->printf ("=> 0x%08"PFMT64x" |", seek);
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for (j=0;j<width;j++) {
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io->printf (
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((j*mul)+min >= seek &&
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(j*mul)+min <= seek+len)
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?"^":"-");
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}
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io->printf ("| 0x%08"PFMT64x"\n", seek+len);
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}
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}
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}
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R_API RIOSection *r_io_section_vget(RIO *io, ut64 addr) {
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RListIter *iter;
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RIOSection *s;
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r_list_foreach (io->sections, iter, s) {
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if (addr >= s->vaddr && addr < s->vaddr + s->size)
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return s;
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}
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return NULL;
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}
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R_API RIOSection *r_io_section_getv(RIO *io, ut64 vaddr) {
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RListIter *iter;
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RIOSection *s;
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r_list_foreach (io->sections, iter, s) {
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if (vaddr >= s->vaddr && vaddr < s->vaddr + s->vsize)
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return s;
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}
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return NULL;
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}
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R_API RIOSection *r_io_section_get(RIO *io, ut64 addr) {
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RListIter *iter;
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RIOSection *s;
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//addr = r_io_section_vaddr_to_offset(io, addr);
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r_list_foreach (io->sections, iter, s) {
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if (addr >= s->offset && addr < s->offset + s->size) {
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return s;
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}
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}
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return NULL;
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}
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R_API ut64 r_io_section_get_offset(RIO *io, ut64 addr) {
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RIOSection *s = r_io_section_get(io, addr);
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return s? s->offset: -1;
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}
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R_API ut64 r_io_section_get_vaddr(RIO *io, ut64 offset) {
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RIOSection *s = r_io_section_get (io, offset);
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return s? s->vaddr: -1;
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}
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// TODO: deprecate
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R_API int r_io_section_get_rwx(RIO *io, ut64 offset) {
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RIOSection *s = r_io_section_get (io, offset);
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return s?s->rwx:R_IO_READ|R_IO_WRITE|R_IO_EXEC;
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}
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R_API int r_io_section_overlaps(RIO *io, RIOSection *s) {
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int i = 0;
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RListIter *iter;
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RIOSection *s2;
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r_list_foreach (io->sections, iter, s2) {
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if (s != s2) {
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if (s->offset >= s2->offset) {
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if (s2->offset+s2->size < s->offset)
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return i;
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} else {
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if (s->offset+s->size < s2->offset)
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return i;
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}
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}
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i++;
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}
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return -1;
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}
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R_API ut64 r_io_section_vaddr_to_offset(RIO *io, ut64 vaddr) {
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RListIter *iter;
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RIOSection *s;
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r_list_foreach (io->sections, iter, s) {
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if (vaddr >= s->vaddr && vaddr < s->vaddr + s->vsize) {
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/* XXX: Do we need this hack?
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if (s->vaddr == 0) // hack
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return vaddr;
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*/
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return (vaddr - s->vaddr + s->offset);
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}
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}
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return vaddr;
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}
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R_API ut64 r_io_section_offset_to_vaddr(RIO *io, ut64 offset) {
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RIOSection *s;
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RListIter *iter;
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r_list_foreach (io->sections, iter, s) {
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if (offset >= s->offset && offset < s->offset + s->size) {
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/* XXX: Do we need this hack?
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if (s->vaddr == 0) // hack
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return offset;
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*/
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io->section = s;
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return (s->vaddr + offset - s->offset);
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}
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}
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return UT64_MAX;
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}
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R_API ut64 r_io_section_next(RIO *io, ut64 o) {
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int oset = 0;
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ut64 newsec = 0LL;
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RListIter *iter;
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RIOSection *s;
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r_list_foreach (io->sections, iter, s) {
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ut64 addr = s->vaddr;
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if (o < addr) {
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if (newsec) {
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if (addr<newsec)
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newsec = addr;//s->offset;//addr;
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} else newsec = addr; //s->offset; //addr;
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}
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if (o >= s->offset && o < (s->offset + s->size)) {
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ut64 n = s->offset + s->size;
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if (n>o) {
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o = n;
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oset = 1;
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}
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}
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if (o >= s->vaddr && o < (s->vaddr + s->size)) {
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ut64 n = s->vaddr + s->size;
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if (n>o) {
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o = n;
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oset = 1;
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}
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}
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}
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//eprintf ("Newsec %d %llx\n", oset, newsec);
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if (oset) return o;
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return newsec? newsec: o;
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}
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R_API int r_io_section_set_archbits(RIO *io, ut64 addr, const char *arch, int bits) {
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RIOSection *s = r_io_section_getv (io, addr);
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if (!s) return R_FALSE;
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if (arch) {
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s->arch = r_sys_arch_id (arch);
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s->bits = bits;
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} else {
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s->arch = 0;
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s->bits = 0;
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}
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return R_TRUE;
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}
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R_API const char *r_io_section_get_archbits(RIO* io, ut64 addr, int *bits) {
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RIOSection *s = r_io_section_getv (io, addr);
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if (!s || !s->bits || !s->arch) return NULL;
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if (bits) *bits = s->bits;
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return r_sys_arch_str (s->arch);
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}
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