diff options
Diffstat (limited to 'src/elfops/first-section-in-segment.c')
-rw-r--r-- | src/elfops/first-section-in-segment.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/elfops/first-section-in-segment.c b/src/elfops/first-section-in-segment.c new file mode 100644 index 0000000..58065a5 --- /dev/null +++ b/src/elfops/first-section-in-segment.c @@ -0,0 +1,36 @@ +#include <stdlib.h> + +#include <libelf.h> +#include <gelf.h> + +#include <libelfu/libelfu.h> + + +/* + * Returns the section that starts at the same point in the file as + * the segment AND is wholly contained in the memory image. + * + * If no section fits, NULL is returned. + */ +Elf_Scn* elfu_firstSectionInSegment(Elf *e, GElf_Phdr *phdr) +{ + Elf_Scn *scn; + + scn = elf_getscn(e, 1); + while (scn) { + GElf_Shdr shdr; + + if (gelf_getshdr(scn, &shdr) != &shdr) { + return NULL; + } + + if (shdr.sh_offset == phdr->p_offset + && elfu_segmentContainsSection(phdr, &shdr)) { + return scn; + } + + scn = elf_nextscn(e, scn); + } + + return NULL; +} |