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-rw-r--r--contrib/elftoolchain/elfcopy/sections.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/contrib/elftoolchain/elfcopy/sections.c b/contrib/elftoolchain/elfcopy/sections.c
index 5848eab..1434138 100644
--- a/contrib/elftoolchain/elfcopy/sections.c
+++ b/contrib/elftoolchain/elfcopy/sections.c
@@ -343,7 +343,7 @@ create_scn(struct elfcopy *ecp)
GElf_Shdr ish;
size_t indx;
uint64_t oldndx, newndx;
- int elferr, sec_flags;
+ int elferr, sec_flags, reorder;
/*
* Insert a pseudo section that contains the ELF header
@@ -367,6 +367,7 @@ create_scn(struct elfcopy *ecp)
errx(EXIT_FAILURE, "elf_getshstrndx failed: %s",
elf_errmsg(-1));
+ reorder = 0;
is = NULL;
while ((is = elf_nextscn(ecp->ein, is)) != NULL) {
if (gelf_getshdr(is, &ish) == NULL)
@@ -482,8 +483,20 @@ create_scn(struct elfcopy *ecp)
/* create section header based on input object. */
if (strcmp(name, ".symtab") != 0 &&
strcmp(name, ".strtab") != 0 &&
- strcmp(name, ".shstrtab") != 0)
+ strcmp(name, ".shstrtab") != 0) {
copy_shdr(ecp, s, NULL, 0, sec_flags);
+ /*
+ * elfcopy puts .symtab, .strtab and .shstrtab
+ * sections in the end of the output object.
+ * If the input objects have more sections
+ * after any of these 3 sections, the section
+ * table will be reordered. section symbols
+ * should be regenerated for relocations.
+ */
+ if (reorder)
+ ecp->flags &= ~SYMTAB_INTACT;
+ } else
+ reorder = 1;
if (strcmp(name, ".symtab") == 0) {
ecp->flags |= SYMTAB_EXIST;
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