diff options
| author | norly <ny-git@enpas.org> | 2013-05-28 23:34:51 +0100 |
|---|---|---|
| committer | norly <ny-git@enpas.org> | 2013-05-28 23:34:51 +0100 |
| commit | eb5a1daba781013ccf168b95510d0f67f0b9c946 (patch) | |
| tree | 1737caa39931eaec818b992acc5df43bb02b1794 | |
| parent | 11bf2836351cdb0703506d9d24ebd72bb420d1df (diff) | |
Implement orphaned sections
Orphaned sections are not (fully) included in any LOAD PHDR and can thus
be moved and stripped at will without changing the memory image of the
program.
| -rw-r--r-- | include/libelfu/modeltypes.h | 1 | ||||
| -rw-r--r-- | src/model/dump.c | 9 | ||||
| -rw-r--r-- | src/model/fromFile.c | 3 |
3 files changed, 13 insertions, 0 deletions
diff --git a/include/libelfu/modeltypes.h b/include/libelfu/modeltypes.h index e8a9c01..bea9322 100644 --- a/include/libelfu/modeltypes.h +++ b/include/libelfu/modeltypes.h @@ -37,6 +37,7 @@ typedef struct { CIRCLEQ_HEAD(ScnList, ElfuScn) scnList; CIRCLEQ_HEAD(PhdrList, ElfuPhdr) phdrList; + CIRCLEQ_HEAD(OrphanScnList, ElfuScn) orphanScnList; ElfuScn *shstrtab; } ElfuElf; diff --git a/src/model/dump.c b/src/model/dump.c index 882ba0a..67a498a 100644 --- a/src/model/dump.c +++ b/src/model/dump.c @@ -209,6 +209,15 @@ void elfu_mDumpElf(ElfuElf *me) ELFU_INFO("\n"); + ELFU_INFO("Orphaned sections:\n"); + CIRCLEQ_FOREACH(ms, &me->orphanScnList, elemChildScn) { + ELFU_INFO(" * %-17s @ %8jx\n", + elfu_mScnName(me, ms), + ms->shdr.sh_addr); + } + ELFU_INFO("\n"); + + ELFU_INFO("Sections:\n"); ELFU_INFO(" # Name sh_type sh_addr sh_offset sh_size ES Fl Al sh_link sh_info \n"); ELFU_INFO(" | | | | | | | | | | \n"); diff --git a/src/model/fromFile.c b/src/model/fromFile.c index fd6aba0..cb09352 100644 --- a/src/model/fromFile.c +++ b/src/model/fromFile.c @@ -167,6 +167,7 @@ ElfuElf* elfu_mFromElf(Elf *e) /* General stuff */ CIRCLEQ_INIT(&me->scnList); CIRCLEQ_INIT(&me->phdrList); + CIRCLEQ_INIT(&me->orphanScnList); me->shstrtab = NULL; me->elfclass = gelf_getclass(e); @@ -286,6 +287,8 @@ ElfuElf* elfu_mFromElf(Elf *e) if (parent) { CIRCLEQ_INSERT_TAIL(&parent->childScnList, ms, elemChildScn); + } else { + CIRCLEQ_INSERT_TAIL(&me->orphanScnList, ms, elemChildScn); } } |