dont require phdr to link

1 files changed, 18 insertions, 32 deletions

diff --git a/mld/seg.c b/mld/seg.c
index 61c5296..61c337a 100644
--- a/mld/seg.c
+++ b/mld/seg.c
@@ -25,44 +25,30 @@ static int load_phdr(struct object *obj, struct segment *seg, size_t index)
  */
 static int load_shdr(struct object *obj, struct segment *seg, size_t index)
 {
-	bool found = false;
+	uint32_t shndx = obj->phdr_to_shdr_mapping[index];
+	Elf32_Shdr *hdr = &obj->shdr[shndx];
 
-	for (size_t i = 0; i < obj->shdr_len; i++) {
-		Elf32_Shdr *hdr = &obj->shdr[i];
-
-		// find shdr that matches  the offset in phdr
-		if (!PHDR_SHDR_MATCH(seg->phdr, hdr))
-			continue;
-
-		// get name
-		uint32_t name = B32(hdr->sh_name);
-		if (name >= obj->shstrtab->len) {
-			ERROR("section name index [%d] out of bounds", name);
-			return M_ERROR;
-		}
-		seg->name = &obj->shstrtab->data[name];
-
-		// map bytes
-		uint32_t len = B32(hdr->sh_size);
-		uint32_t off = B32(hdr->sh_offset);
-		seg->bytes = (unsigned char *) (obj->mapped + off);
-
-		if (BOUND_CHK(obj, len, off)) {
-			ERROR("cannot map seg %s:%d", seg->name, index);
-			return M_ERROR;
-		}
-
-		found = true;
-		seg->shdr = hdr;
-		seg->shdr_idx = i;
-		break;
+	// get name
+	uint32_t name = B32(hdr->sh_name);
+	if (name >= obj->shstrtab->len) {
+		ERROR("section name index [%d] out of bounds", name);
+		return M_ERROR;
 	}
+	seg->name = &obj->shstrtab->data[name];
 
-	if (!found) {
-		ERROR("cannot find shdr for segment [%d]", index);
+	// map bytes
+	uint32_t len = B32(hdr->sh_size);
+	uint32_t off = B32(hdr->sh_offset);
+	seg->bytes = (unsigned char *) (obj->mapped + off);
+
+	if (BOUND_CHK(obj, len, off)) {
+		ERROR("cannot map seg %s:%d", seg->name, index);
 		return M_ERROR;
 	}
 
+	seg->shdr = hdr;
+	seg->shdr_idx = shndx;
+
 	return M_SUCCESS;
 }