diff options
Diffstat (limited to 'libctf/ctf-archive.c')
| -rw-r--r-- | libctf/ctf-archive.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/libctf/ctf-archive.c b/libctf/ctf-archive.c index dc312d3..a74ab47 100644 --- a/libctf/ctf-archive.c +++ b/libctf/ctf-archive.c @@ -36,7 +36,8 @@ static off_t arc_write_one_ctf (ctf_dict_t * f, int fd, size_t threshold); static ctf_dict_t *ctf_dict_open_by_offset (const struct ctf_archive *arc, const ctf_sect_t *symsect, const ctf_sect_t *strsect, - size_t offset, int *errp); + size_t offset, int little_endian, + int *errp); static int sort_modent_by_name (const void *one, const void *two, void *n); static void *arc_mmap_header (int fd, size_t headersz); static void *arc_mmap_file (int fd, size_t size); @@ -378,10 +379,21 @@ ctf_new_archive_internal (int is_archive, int unmap_on_close, arci->ctfi_free_symsect = 0; arci->ctfi_free_strsect = 0; arci->ctfi_unmap_on_close = unmap_on_close; + arci->ctfi_symsect_little_endian = -1; return arci; } +/* Set the symbol-table endianness of an archive (defaulting the symtab + endianness of all ctf_file_t's opened from that archive). */ +void +ctf_arc_symsect_endianness (ctf_archive_t *arc, int little_endian) +{ + arc->ctfi_symsect_little_endian = !!little_endian; + if (!arc->ctfi_is_archive) + ctf_symsect_endianness (arc->ctfi_dict, arc->ctfi_symsect_little_endian); +} + /* Get the CTF preamble from data in a buffer, which may be either an archive or a CTF dict. If multiple dicts are present in an archive, the preamble comes from an arbitrary dict. The preamble is a pointer into the ctfsect passed @@ -536,7 +548,8 @@ static ctf_dict_t * ctf_dict_open_internal (const struct ctf_archive *arc, const ctf_sect_t *symsect, const ctf_sect_t *strsect, - const char *name, int *errp) + const char *name, int little_endian, + int *errp) { struct ctf_archive_modent *modent; const char *search_nametbl; @@ -564,7 +577,8 @@ ctf_dict_open_internal (const struct ctf_archive *arc, } return ctf_dict_open_by_offset (arc, symsect, strsect, - le64toh (modent->ctf_offset), errp); + le64toh (modent->ctf_offset), + little_endian, errp); } /* Return the ctf_dict_t with the given name, or NULL if none, setting 'err' if @@ -584,7 +598,8 @@ ctf_dict_open_sections (const ctf_archive_t *arc, { ctf_dict_t *ret; ret = ctf_dict_open_internal (arc->ctfi_archive, symsect, strsect, - name, errp); + name, arc->ctfi_symsect_little_endian, + errp); if (ret) { ret->ctf_archive = (ctf_archive_t *) arc; @@ -691,7 +706,7 @@ static ctf_dict_t * ctf_dict_open_by_offset (const struct ctf_archive *arc, const ctf_sect_t *symsect, const ctf_sect_t *strsect, size_t offset, - int *errp) + int little_endian, int *errp) { ctf_sect_t ctfsect; ctf_dict_t *fp; @@ -708,7 +723,11 @@ ctf_dict_open_by_offset (const struct ctf_archive *arc, ctfsect.cts_data = (void *) ((char *) arc + offset + sizeof (uint64_t)); fp = ctf_bufopen (&ctfsect, symsect, strsect, errp); if (fp) - ctf_setmodel (fp, le64toh (arc->ctfa_model)); + { + ctf_setmodel (fp, le64toh (arc->ctfa_model)); + if (little_endian >= 0) + ctf_symsect_endianness (fp, little_endian); + } return fp; } @@ -961,7 +980,9 @@ ctf_archive_iter_internal (const ctf_archive_t *wrapper, name = &nametbl[le64toh (modent[i].name_offset)]; if ((f = ctf_dict_open_internal (arc, symsect, strsect, - name, &rc)) == NULL) + name, + wrapper->ctfi_symsect_little_endian, + &rc)) == NULL) return rc; f->ctf_archive = (ctf_archive_t *) wrapper; |