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author | Ulrich Drepper <drepper@redhat.com> | 2005-07-26 05:00:05 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-07-26 05:00:05 +0000 |
commit | b08d5a8fb42f4586d756068065186b5af7e48dad (patch) | |
tree | 9f05f86be7877ed461b4dc05f53b29ea4fc0d2a1 /tests/asm-tst1.c | |
download | elfutils-b08d5a8fb42f4586d756068065186b5af7e48dad.tar.gz |
Adjust for monotone.
Diffstat (limited to 'tests/asm-tst1.c')
-rw-r--r-- | tests/asm-tst1.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/tests/asm-tst1.c b/tests/asm-tst1.c new file mode 100644 index 00000000..b76930d0 --- /dev/null +++ b/tests/asm-tst1.c @@ -0,0 +1,239 @@ +/* Copyright (C) 2002 Red Hat, Inc. + Written by Ulrich Drepper <drepper@redhat.com>, 2002. + + This program is Open Source software; you can redistribute it and/or + modify it under the terms of the Open Software License version 1.0 as + published by the Open Source Initiative. + + You should have received a copy of the Open Software License along + with this program; if not, you may obtain a copy of the Open Software + License version 1.0 from http://www.opensource.org/licenses/osl.php or + by writing the Open Source Initiative c/o Lawrence Rosen, Esq., + 3001 King Ranch Road, Ukiah, CA 95482. */ + +#include <fcntl.h> +#include <libasm.h> +#include <libelf.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + + +static const char fname[] = "asm-tst1-out.o"; + + +static const GElf_Ehdr expected_ehdr = + { + .e_ident = { [EI_MAG0] = ELFMAG0, + [EI_MAG1] = ELFMAG1, + [EI_MAG2] = ELFMAG2, + [EI_MAG3] = ELFMAG3, + [EI_CLASS] = ELFCLASS32, + [EI_DATA] = ELFDATA2LSB, + [EI_VERSION] = EV_CURRENT }, + .e_type = ET_REL, + .e_machine = EM_386, + .e_version = EV_CURRENT, + .e_shoff = 88, + .e_ehsize = sizeof (Elf32_Ehdr), + .e_shentsize = sizeof (Elf32_Shdr), + .e_shnum = 4, + .e_shstrndx = 3 + }; + + +static const char *scnnames[4] = + { + [0] = "", + [1] = ".text", + [2] = ".data", + [3] = ".shstrtab" + }; + + +int +main (void) +{ + AsmCtx_t *ctx; + AsmScn_t *scn1; + AsmScn_t *scn2; + int fd; + Elf *elf; + GElf_Ehdr ehdr_mem; + GElf_Ehdr *ehdr; + int result = 0; + size_t cnt; + + elf_version (EV_CURRENT); + + ctx = asm_begin (fname, false, EM_386, ELFCLASS32, ELFDATA2LSB); + if (ctx == NULL) + { + printf ("cannot create assembler context: %s\n", asm_errmsg (-1)); + return 1; + } + + /* Create two sections. */ + scn1 = asm_newscn (ctx, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); + scn2 = asm_newscn (ctx, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); + if (scn1 == NULL || scn2 == NULL) + { + printf ("cannot create section in output file: %s\n", asm_errmsg (-1)); + asm_abort (ctx); + return 1; + } + + /* Special alignment for the .text section. */ + if (asm_align (scn1, 32) != 0) + { + printf ("cannot align .text section: %s\n", asm_errmsg (-1)); + result = 1; + } + + /* Create the output file. */ + if (asm_end (ctx) != 0) + { + printf ("cannot create output file: %s\n", asm_errmsg (-1)); + asm_abort (ctx); + return 1; + } + + /* Check the file. */ + fd = open (fname, O_RDONLY); + if (fd == -1) + { + printf ("cannot open generated file: %m\n"); + result = 1; + goto out; + } + + elf = elf_begin (fd, ELF_C_READ, NULL); + if (elf == NULL) + { + printf ("cannot create ELF descriptor: %s\n", elf_errmsg (-1)); + result = 1; + goto out_close; + } + if (elf_kind (elf) != ELF_K_ELF) + { + puts ("not a valid ELF file"); + result = 1; + goto out_close2; + } + + ehdr = gelf_getehdr (elf, &ehdr_mem); + if (ehdr == NULL) + { + printf ("cannot get ELF header: %s\n", elf_errmsg (-1)); + result = 1; + goto out_close2; + } + + if (memcmp (ehdr, &expected_ehdr, sizeof (GElf_Ehdr)) != 0) + { + puts ("ELF header does not match"); + result = 1; + goto out_close2; + } + + for (cnt = 1; cnt < 4; ++cnt) + { + Elf_Scn *scn; + GElf_Shdr shdr_mem; + GElf_Shdr *shdr; + + scn = elf_getscn (elf, cnt); + if (scn == NULL) + { + printf ("cannot get section %Zd: %s\n", cnt, elf_errmsg (-1)); + result = 1; + continue; + } + + shdr = gelf_getshdr (scn, &shdr_mem); + if (shdr == NULL) + { + printf ("cannot get section header for section %Zd: %s\n", + cnt, elf_errmsg (-1)); + result = 1; + continue; + } + + if (strcmp (elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name), + scnnames[cnt]) != 0) + { + printf ("section %Zd's name differs: %s vs %s\n", cnt, + elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name), + scnnames[cnt]); + result = 1; + } + + if (shdr->sh_type != (cnt == 3 ? SHT_STRTAB : SHT_PROGBITS)) + { + printf ("section %Zd's type differs\n", cnt); + result = 1; + } + + if ((cnt == 1 && shdr->sh_flags != (SHF_ALLOC | SHF_EXECINSTR)) + || (cnt == 2 && shdr->sh_flags != (SHF_ALLOC | SHF_WRITE)) + || (cnt == 3 && shdr->sh_flags != 0)) + { + printf ("section %Zd's flags differs\n", cnt); + result = 1; + } + + if (shdr->sh_addr != 0) + { + printf ("section %Zd's address differs\n", cnt); + result = 1; + } + + if (shdr->sh_offset != ((sizeof (Elf32_Ehdr) + 31) & ~31)) + { + printf ("section %Zd's offset differs\n", cnt); + result = 1; + } + + if ((cnt != 3 && shdr->sh_size != 0) + || (cnt == 3 && shdr->sh_size != 23)) + { + printf ("section %Zd's size differs\n", cnt); + result = 1; + } + + if (shdr->sh_link != 0) + { + printf ("section %Zd's link differs\n", cnt); + result = 1; + } + + if (shdr->sh_info != 0) + { + printf ("section %Zd's info differs\n", cnt); + result = 1; + } + + if ((cnt == 1 && shdr->sh_addralign != 32) + || (cnt != 1 && shdr->sh_addralign != 1)) + { + printf ("section %Zd's addralign differs\n", cnt); + result = 1; + } + + if (shdr->sh_entsize != 0) + { + printf ("section %Zd's entsize differs\n", cnt); + result = 1; + } + } + + out_close2: + elf_end (elf); + out_close: + close (fd); + out: + /* We don't need the file anymore. */ + unlink (fname); + + return result; +} |