tests/asm-tst9.c - platform/external/elfutils - Gitiles

 /* Copyright (C) 2002, 2005 Red Hat, Inc.
    This file is part of Red Hat elfutils.
    Written by Ulrich Drepper <drepper@redhat.com>, 2002.

    Red Hat elfutils is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by the
    Free Software Foundation; version 2 of the License.

    Red Hat elfutils is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with Red Hat elfutils; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.

    Red Hat elfutils is an included package of the Open Invention Network.
    An included package of the Open Invention Network is a package for which
    Open Invention Network licensees cross-license their patents.  No patent
    license is granted, either expressly or impliedly, by designation as an
    included package.  Should you wish to participate in the Open Invention
    Network licensing program, please visit www.openinventionnetwork.com
    <http://www.openinventionnetwork.com>.  */

 #ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif

 #include <fcntl.h>
 #include <inttypes.h>
 #include ELFUTILS_HEADER(asm)
 #include <libelf.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>


 static const char fname[] = "asm-tst9-out.o";


 static int32_t input[] =
   {
     0, 1, 129, 510, 2000, 33000, 0x7ffffff, 0x7fffffff
   };
 #define ninput (sizeof (input) / sizeof (input[0]))


 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 = 180,
     .e_ehsize = sizeof (Elf32_Ehdr),
     .e_shentsize = sizeof (Elf32_Shdr),
     .e_shnum = 3,
     .e_shstrndx = 2
   };


 static const char *scnnames[3] =
   {
     [0] = "",
     [1] = ".data",
     [2] = ".shstrtab"
   };


 static const char expecteddata[] =
   {
     0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x7f,
     0x81, 0x01, 0x81, 0x01, 0xff, 0xfe, 0xff, 0xff, 0x0f, 0xff, 0x7e, 0xfe,
     0x03, 0xfe, 0x03, 0x82, 0xfc, 0xff, 0xff, 0x0f, 0x82, 0x7c, 0xd0, 0x0f,
     0xd0, 0x0f, 0xb0, 0xf0, 0xff, 0xff, 0x0f, 0xb0, 0x70, 0xe8, 0x81, 0x02,
     0xe8, 0x81, 0x02, 0x98, 0xfe, 0xfd, 0xff, 0x0f, 0x98, 0xfe, 0x7d, 0xff,
     0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0x3f, 0x81, 0x80, 0x80, 0xc0, 0x0f,
     0x81, 0x80, 0x80, 0x40, 0xff, 0xff, 0xff, 0xff, 0x07, 0xff, 0xff, 0xff,
     0xff, 0x07, 0x81, 0x80, 0x80, 0x80, 0x08, 0x81, 0x80, 0x80, 0x80, 0x78
   };


 int
 main (void)
 {
   AsmCtx_t *ctx;
   AsmScn_t *scn;
   int result = 0;
   int fd;
   Elf *elf;
   GElf_Ehdr ehdr_mem;
   GElf_Ehdr *ehdr;
   size_t cnt;

   elf_version (EV_CURRENT);

   Ebl *ebl = ebl_openbackend_machine (EM_386);
   if (ebl == NULL)
     {
       puts ("cannot open backend library");
       return 1;
     }

   ctx = asm_begin (fname, ebl, false);
   if (ctx == NULL)
     {
       printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
       return 1;
     }

   /* Create two sections.  */
   scn = asm_newscn (ctx, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
   if (scn == 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 (scn, 16) != 0)
     {
       printf ("cannot align .text section: %s\n", asm_errmsg (-1));
       result = 1;
     }

   /* Add a few ULEB128 and SLEB128 numbers.  */
   for (cnt = 0; cnt < ninput; ++cnt)
     {
       if (asm_adduleb128 (scn, input[cnt]) != 0)
 	{
 	  printf ("cannot insert uleb %" PRIu32 ": %s\n",
 		  (uint32_t) input[cnt], asm_errmsg (-1));
 	  result = 1;
 	}

       if (asm_addsleb128 (scn, input[cnt]) != 0)
 	{
 	  printf ("cannot insert sleb %" PRId32 ": %s\n",
 		  input[cnt], asm_errmsg (-1));
 	  result = 1;
 	}

       if (asm_adduleb128 (scn, -input[cnt]) != 0)
 	{
 	  printf ("cannot insert uleb %" PRIu32 ": %s\n",
 		  (uint32_t) -input[cnt], asm_errmsg (-1));
 	  result = 1;
 	}

       if (asm_addsleb128 (scn, -input[cnt]) != 0)
 	{
 	  printf ("cannot insert sleb %" PRId32 ": %s\n",
 		  -input[cnt], 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 < 3; ++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 == 2 ? SHT_STRTAB : SHT_PROGBITS))
 	{
 	  printf ("section %Zd's type differs\n", cnt);
 	  result = 1;
 	}

       if ((cnt == 1 && shdr->sh_flags != (SHF_ALLOC | SHF_WRITE))
 	  || (cnt == 2 && 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 ((cnt == 1 && shdr->sh_offset != ((sizeof (Elf32_Ehdr) + 15) & ~15))
 	  || (cnt == 2
 	      && shdr->sh_offset != (((sizeof (Elf32_Ehdr) + 15) & ~15)
 				     + sizeof (expecteddata))))
 	{
 	  printf ("section %Zd's offset differs\n", cnt);
 	  result = 1;
 	}

       if ((cnt == 1 && shdr->sh_size != sizeof (expecteddata))
 	  || (cnt == 2 && shdr->sh_size != 17))
 	{
 	  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 != 16)
 	  || (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;
 	}

       if (cnt == 1)
 	{
 	  Elf_Data *data = elf_getdata (scn, NULL);

 	  if (data == NULL)
 	    {
 	      printf ("cannot get data of section %Zd\n", cnt);
 	      result = 1;
 	    }
 	  else
 	    {
 	      if (data->d_size != sizeof (expecteddata))
 		{
 		  printf ("data block size of section %Zd wrong: got %Zd, "
 			  "expected 96\n", cnt, data->d_size);
 		  result = 1;
 		}

 	      if (memcmp (data->d_buf, expecteddata, sizeof (expecteddata))
 		  != 0)
 		{
 		  printf ("data block content of section %Zd wrong\n", cnt);
 		  result = 1;
 		}
 	    }
 	}
     }

  out_close2:
   elf_end (elf);
  out_close:
   close (fd);
  out:
   /* We don't need the file anymore.  */
   unlink (fname);

   ebl_closebackend (ebl);

   return result;
 }
	/* Copyright (C) 2002, 2005 Red Hat, Inc.
	This file is part of Red Hat elfutils.
	Written by Ulrich Drepper <drepper@redhat.com>, 2002.

	Red Hat elfutils is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by the
	Free Software Foundation; version 2 of the License.

	Red Hat elfutils is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License along
	with Red Hat elfutils; if not, write to the Free Software Foundation,
	Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.

	Red Hat elfutils is an included package of the Open Invention Network.
	An included package of the Open Invention Network is a package for which
	Open Invention Network licensees cross-license their patents. No patent
	license is granted, either expressly or impliedly, by designation as an
	included package. Should you wish to participate in the Open Invention
	Network licensing program, please visit www.openinventionnetwork.com
	<http://www.openinventionnetwork.com>. */

	#ifdef HAVE_CONFIG_H
	# include <config.h>
	#endif

	#include <fcntl.h>
	#include <inttypes.h>
	#include ELFUTILS_HEADER(asm)
	#include <libelf.h>
	#include <stdio.h>
	#include <string.h>
	#include <unistd.h>


	static const char fname[] = "asm-tst9-out.o";


	static int32_t input[] =
	{
	0, 1, 129, 510, 2000, 33000, 0x7ffffff, 0x7fffffff
	};
	#define ninput (sizeof (input) / sizeof (input[0]))


	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 = 180,
	.e_ehsize = sizeof (Elf32_Ehdr),
	.e_shentsize = sizeof (Elf32_Shdr),
	.e_shnum = 3,
	.e_shstrndx = 2
	};


	static const char *scnnames[3] =
	{
	[0] = "",
	[1] = ".data",
	[2] = ".shstrtab"
	};


	static const char expecteddata[] =
	{
	0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x7f,
	0x81, 0x01, 0x81, 0x01, 0xff, 0xfe, 0xff, 0xff, 0x0f, 0xff, 0x7e, 0xfe,
	0x03, 0xfe, 0x03, 0x82, 0xfc, 0xff, 0xff, 0x0f, 0x82, 0x7c, 0xd0, 0x0f,
	0xd0, 0x0f, 0xb0, 0xf0, 0xff, 0xff, 0x0f, 0xb0, 0x70, 0xe8, 0x81, 0x02,
	0xe8, 0x81, 0x02, 0x98, 0xfe, 0xfd, 0xff, 0x0f, 0x98, 0xfe, 0x7d, 0xff,
	0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0x3f, 0x81, 0x80, 0x80, 0xc0, 0x0f,
	0x81, 0x80, 0x80, 0x40, 0xff, 0xff, 0xff, 0xff, 0x07, 0xff, 0xff, 0xff,
	0xff, 0x07, 0x81, 0x80, 0x80, 0x80, 0x08, 0x81, 0x80, 0x80, 0x80, 0x78
	};


	int
	main (void)
	{
	AsmCtx_t *ctx;
	AsmScn_t *scn;
	int result = 0;
	int fd;
	Elf *elf;
	GElf_Ehdr ehdr_mem;
	GElf_Ehdr *ehdr;
	size_t cnt;

	elf_version (EV_CURRENT);

	Ebl *ebl = ebl_openbackend_machine (EM_386);
	if (ebl == NULL)
	{
	puts ("cannot open backend library");
	return 1;
	}

	ctx = asm_begin (fname, ebl, false);
	if (ctx == NULL)
	{
	printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
	return 1;
	}

	/* Create two sections. */
	scn = asm_newscn (ctx, ".data", SHT_PROGBITS, SHF_ALLOC \| SHF_WRITE);
	if (scn == 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 (scn, 16) != 0)
	{
	printf ("cannot align .text section: %s\n", asm_errmsg (-1));
	result = 1;
	}

	/* Add a few ULEB128 and SLEB128 numbers. */
	for (cnt = 0; cnt < ninput; ++cnt)
	{
	if (asm_adduleb128 (scn, input[cnt]) != 0)
	{
	printf ("cannot insert uleb %" PRIu32 ": %s\n",
	(uint32_t) input[cnt], asm_errmsg (-1));
	result = 1;
	}

	if (asm_addsleb128 (scn, input[cnt]) != 0)
	{
	printf ("cannot insert sleb %" PRId32 ": %s\n",
	input[cnt], asm_errmsg (-1));
	result = 1;
	}

	if (asm_adduleb128 (scn, -input[cnt]) != 0)
	{
	printf ("cannot insert uleb %" PRIu32 ": %s\n",
	(uint32_t) -input[cnt], asm_errmsg (-1));
	result = 1;
	}

	if (asm_addsleb128 (scn, -input[cnt]) != 0)
	{
	printf ("cannot insert sleb %" PRId32 ": %s\n",
	-input[cnt], 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 < 3; ++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 == 2 ? SHT_STRTAB : SHT_PROGBITS))
	{
	printf ("section %Zd's type differs\n", cnt);
	result = 1;
	}

	if ((cnt == 1 && shdr->sh_flags != (SHF_ALLOC \| SHF_WRITE))
	\|\| (cnt == 2 && 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 ((cnt == 1 && shdr->sh_offset != ((sizeof (Elf32_Ehdr) + 15) & ~15))
	\|\| (cnt == 2
	&& shdr->sh_offset != (((sizeof (Elf32_Ehdr) + 15) & ~15)
	+ sizeof (expecteddata))))
	{
	printf ("section %Zd's offset differs\n", cnt);
	result = 1;
	}

	if ((cnt == 1 && shdr->sh_size != sizeof (expecteddata))
	\|\| (cnt == 2 && shdr->sh_size != 17))
	{
	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 != 16)
	\|\| (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;
	}

	if (cnt == 1)
	{
	Elf_Data *data = elf_getdata (scn, NULL);

	if (data == NULL)
	{
	printf ("cannot get data of section %Zd\n", cnt);
	result = 1;
	}
	else
	{
	if (data->d_size != sizeof (expecteddata))
	{
	printf ("data block size of section %Zd wrong: got %Zd, "
	"expected 96\n", cnt, data->d_size);
	result = 1;
	}

	if (memcmp (data->d_buf, expecteddata, sizeof (expecteddata))
	!= 0)
	{
	printf ("data block content of section %Zd wrong\n", cnt);
	result = 1;
	}
	}
	}
	}

	out_close2:
	elf_end (elf);
	out_close:
	close (fd);
	out:
	/* We don't need the file anymore. */
	unlink (fname);

	ebl_closebackend (ebl);

	return result;
	}