1 /* Copyright (C) 2002, 2004 Red Hat, Inc. 2 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 3 4 This program is Open Source software; you can redistribute it and/or 5 modify it under the terms of the Open Software License version 1.0 as 6 published by the Open Source Initiative. 7 8 You should have received a copy of the Open Software License along 9 with this program; if not, you may obtain a copy of the Open Software 10 License version 1.0 from http://www.opensource.org/licenses/osl.php or 11 by writing the Open Source Initiative c/o Lawrence Rosen, Esq., 12 3001 King Ranch Road, Ukiah, CA 95482. */ 13 14 #include <libasm.h> 15 #include <libelf.h> 16 #include <stdio.h> 17 #include <stdlib.h> 18 #include <unistd.h> 19 #include <sys/wait.h> 20 21 #include <system.h> 22 23 24 static const char fname[] = "asm-tst6-out.o"; 25 26 27 int 28 main (void) 29 { 30 AsmCtx_t *ctx; 31 int result = 0; 32 size_t cnt; 33 34 elf_version (EV_CURRENT); 35 36 ctx = asm_begin (fname, false, EM_386, ELFCLASS32, ELFDATA2LSB); 37 if (ctx == NULL) 38 { 39 printf ("cannot create assembler context: %s\n", asm_errmsg (-1)); 40 return 1; 41 } 42 43 for (cnt = 0; cnt < 22000; ++cnt) 44 { 45 char buf[512]; 46 AsmScnGrp_t *grp; 47 AsmScn_t *scn; 48 AsmSym_t *sym; 49 50 snprintf (buf, sizeof (buf), ".grp%Zu", cnt); 51 grp = asm_newscngrp (ctx, buf, NULL, 0); 52 if (grp == NULL) 53 { 54 printf ("cannot section group %Zu: %s\n", cnt, asm_errmsg (-1)); 55 asm_abort (ctx); 56 return 1; 57 } 58 59 scn = asm_newscn_ingrp (ctx, ".data", SHT_PROGBITS, 60 SHF_ALLOC | SHF_WRITE, grp); 61 if (scn == NULL) 62 { 63 printf ("cannot data section for group %Zu: %s\n", 64 cnt, asm_errmsg (-1)); 65 asm_abort (ctx); 66 return 1; 67 } 68 69 /* Add a name. */ 70 snprintf (buf, sizeof (buf), "%Zu", cnt); 71 sym = asm_newsym (scn, buf, sizeof (uint32_t), STT_OBJECT, 72 STB_GLOBAL); 73 if (sym == NULL) 74 { 75 printf ("cannot create symbol \"%s\": %s\n", buf, asm_errmsg (-1)); 76 asm_abort (ctx); 77 return 1; 78 } 79 80 /* Add some content. */ 81 if (asm_adduint32 (scn, cnt) != 0) 82 { 83 printf ("cannot create content of section \"%s\": %s\n", 84 buf, asm_errmsg (-1)); 85 asm_abort (ctx); 86 return 1; 87 } 88 89 /* Now we have a symbol, use it as the signature. */ 90 if (asm_scngrp_newsignature (grp, sym) != 0) 91 { 92 printf ("cannot set signature for section group %Zu: %s\n", 93 cnt, asm_errmsg (-1)); 94 asm_abort (ctx); 95 return 1; 96 } 97 98 /* Create a phony debug info section. */ 99 scn = asm_newscn_ingrp (ctx, ".stab", SHT_PROGBITS, 0, grp); 100 if (scn == NULL) 101 { 102 printf ("cannot stab section for group %Zu: %s\n", 103 cnt, asm_errmsg (-1)); 104 asm_abort (ctx); 105 return 1; 106 } 107 108 /* Add some content. */ 109 if (asm_adduint32 (scn, cnt) != 0) 110 { 111 printf ("cannot create content of section \"%s\": %s\n", 112 buf, asm_errmsg (-1)); 113 asm_abort (ctx); 114 return 1; 115 } 116 } 117 118 /* Create the output file. */ 119 if (asm_end (ctx) != 0) 120 { 121 printf ("cannot create output file: %s\n", asm_errmsg (-1)); 122 asm_abort (ctx); 123 return 1; 124 } 125 126 if (result == 0) 127 result = WEXITSTATUS (system ("\ 128 env LD_LIBRARY_PATH=../libelf ../src/elflint -q asm-tst6-out.o")); 129 130 /* We don't need the file anymore. */ 131 unlink (fname); 132 133 return result; 134 } 135
