diff options
Diffstat (limited to 'src/ld.c')
| -rw-r--r-- | src/ld.c | 96 |
1 files changed, 49 insertions, 47 deletions
@@ -277,7 +277,7 @@ main (int argc, char *argv[]) int err; /* Sanity check. We always want to use the LFS functionality. */ - if (sizeof (off_t) != sizeof (off64_t)) + if (sizeof (off_t) != 8) abort (); /* We use no threads here which can interfere with handling a stream. */ @@ -1049,6 +1049,53 @@ parse_B_option_2 (const char *arg) } +static inline int +try (int fd, Elf *elf) +{ + int result = 0; + + if (elf == NULL) + return 0; + + if (elf_kind (elf) == ELF_K_ELF) + { + /* We have an ELF file. We now can find out + what the output format should be. */ + XElf_Ehdr_vardef(ehdr); + + /* Get the ELF header of the object. */ + xelf_getehdr (elf, ehdr); + if (ehdr != NULL) + ld_state.ebl = + ebl_openbackend_machine (ehdr->e_machine); + + result = 1; + } + else if (elf_kind (elf) == ELF_K_AR) + { + /* Try the archive members. This could + potentially lead to wrong results if the + archive contains files for more than one + architecture. But this is the user's + problem. */ + Elf *subelf; + Elf_Cmd cmd = ELF_C_READ_MMAP; + + while ((subelf = elf_begin (fd, cmd, elf)) != NULL) + { + cmd = elf_next (subelf); + + if (try (fd, subelf) != 0) + break; + } + } + + elf_end (elf); + + return result; +} + + static void determine_output_format (void) { @@ -1078,52 +1125,7 @@ determine_output_format (void) int fd = open (runp->name, O_RDONLY); if (fd != -1) { - int try (Elf *elf) - { - int result = 0; - - if (elf == NULL) - return 0; - - if (elf_kind (elf) == ELF_K_ELF) - { - /* We have an ELF file. We now can find out - what the output format should be. */ - XElf_Ehdr_vardef(ehdr); - - /* Get the ELF header of the object. */ - xelf_getehdr (elf, ehdr); - if (ehdr != NULL) - ld_state.ebl = - ebl_openbackend_machine (ehdr->e_machine); - - result = 1; - } - else if (elf_kind (elf) == ELF_K_AR) - { - /* Try the archive members. This could - potentially lead to wrong results if the - archive contains files for more than one - architecture. But this is the user's - problem. */ - Elf *subelf; - Elf_Cmd cmd = ELF_C_READ_MMAP; - - while ((subelf = elf_begin (fd, cmd, elf)) != NULL) - { - cmd = elf_next (subelf); - - if (try (subelf) != 0) - break; - } - } - - elf_end (elf); - - return result; - } - - if (try (elf_begin (fd, ELF_C_READ_MMAP, NULL)) != 0) + if (try (fd, elf_begin (fd, ELF_C_READ_MMAP, NULL)) != 0) /* Found a file. */ break; } |