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/* Object file "section" support for the BFD library.
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/* Object file "section" support for the BFD library.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Written by Cygnus Support.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This file is part of BFD, the Binary File Descriptor library.
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Line 341... |
. {* Conditionally link this section; do not link if there are no
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. {* Conditionally link this section; do not link if there are no
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. references found to any symbol in the section. This is for TI
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. references found to any symbol in the section. This is for TI
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. TMS320C54X only. *}
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. TMS320C54X only. *}
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.#define SEC_TIC54X_CLINK 0x20000000
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.#define SEC_TIC54X_CLINK 0x20000000
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.
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.
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. {* Indicate that section has the no read flag set. This happens
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. when memory read flag isn't set. *}
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.#define SEC_COFF_NOREAD 0x40000000
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.
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. {* End of section flags. *}
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. {* End of section flags. *}
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.
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.
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. {* Some internal packed boolean fields. *}
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. {* Some internal packed boolean fields. *}
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.
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.
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. {* See the vma field. *}
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. {* See the vma field. *}
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Line 384... |
. these fields. *}
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. these fields. *}
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.
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.
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. {* Nonzero if this section has TLS related relocations. *}
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. {* Nonzero if this section has TLS related relocations. *}
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. unsigned int has_tls_reloc:1;
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. unsigned int has_tls_reloc:1;
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.
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.
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. {* Nonzero if this section has a call to __tls_get_addr. *}
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. unsigned int has_tls_get_addr_call:1;
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.
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. {* Nonzero if this section has a gp reloc. *}
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. {* Nonzero if this section has a gp reloc. *}
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. unsigned int has_gp_reloc:1;
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. unsigned int has_gp_reloc:1;
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.
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.
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. {* Nonzero if this section needs the relax finalize pass. *}
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. {* Nonzero if this section needs the relax finalize pass. *}
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. unsigned int need_finalize_relax:1;
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. unsigned int need_finalize_relax:1;
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Line 426... |
. targets), and thus the original size needs to be kept to read the
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. targets), and thus the original size needs to be kept to read the
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. section multiple times. For output sections, rawsize holds the
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. section multiple times. For output sections, rawsize holds the
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. section size calculated on a previous linker relaxation pass. *}
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. section size calculated on a previous linker relaxation pass. *}
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. bfd_size_type rawsize;
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. bfd_size_type rawsize;
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.
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.
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. {* Relaxation table. *}
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. struct relax_table *relax;
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.
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. {* Count of used relaxation table entries. *}
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. int relax_count;
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.
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.
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. {* If this section is going to be output, then this value is the
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. {* If this section is going to be output, then this value is the
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. offset in *bytes* into the output section of the first byte in the
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. offset in *bytes* into the output section of the first byte in the
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. input section (byte ==> smallest addressable unit on the
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. input section (byte ==> smallest addressable unit on the
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. target). In most cases, if this was going to start at the
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. target). In most cases, if this was going to start at the
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. 100th octet (8-bit quantity) in the output section, this value
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. 100th octet (8-bit quantity) in the output section, this value
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. struct bfd_link_order *link_order;
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. struct bfd_link_order *link_order;
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. struct bfd_section *s;
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. struct bfd_section *s;
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. } map_head, map_tail;
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. } map_head, map_tail;
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.} asection;
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.} asection;
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.
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.
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.{* Relax table contains information about instructions which can
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. be removed by relaxation -- replacing a long address with a
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. short address. *}
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.struct relax_table {
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. {* Address where bytes may be deleted. *}
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. bfd_vma addr;
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.
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. {* Number of bytes to be deleted. *}
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. int size;
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.};
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.
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.{* These sections are global, and are managed by BFD. The application
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.{* These sections are global, and are managed by BFD. The application
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. and target back end are not permitted to change the values in
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. and target back end are not permitted to change the values in
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. these sections. New code should use the section_ptr macros rather
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. these sections. New code should use the section_ptr macros rather
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. than referring directly to the const sections. The const sections
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. than referring directly to the const sections. The const sections
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. may eventually vanish. *}
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. may eventually vanish. *}
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Line 665... |
. 0, 0, 1, \
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. 0, 0, 1, \
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. \
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. \
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. {* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, *} \
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. {* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, *} \
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. 0, 0, 0, 0, \
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. 0, 0, 0, 0, \
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. \
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. \
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. {* has_gp_reloc, need_finalize_relax, reloc_done, *} \
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. {* has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, *} \
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. 0, 0, 0, \
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. 0, 0, 0, \
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. \
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. \
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. {* vma, lma, size, rawsize *} \
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. {* reloc_done, vma, lma, size, rawsize, relax, relax_count, *} \
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. 0, 0, 0, 0, \
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. 0, 0, 0, 0, 0, 0, 0, \
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. \
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. \
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. {* output_offset, output_section, alignment_power, *} \
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. {* output_offset, output_section, alignment_power, *} \
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. 0, (struct bfd_section *) &SEC, 0, \
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. 0, (struct bfd_section *) &SEC, 0, \
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. \
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. \
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. {* relocation, orelocation, reloc_count, filepos, rel_filepos, *} \
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. {* relocation, orelocation, reloc_count, filepos, rel_filepos, *} \
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Line 935... |
int num;
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int num;
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unsigned int len;
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unsigned int len;
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char *sname;
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char *sname;
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len = strlen (templat);
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len = strlen (templat);
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sname = bfd_malloc (len + 8);
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sname = (char *) bfd_malloc (len + 8);
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if (sname == NULL)
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if (sname == NULL)
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return NULL;
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return NULL;
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memcpy (sname, templat, len);
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memcpy (sname, templat, len);
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num = 1;
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num = 1;
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if (count != NULL)
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if (count != NULL)
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Line 1452... |
return TRUE;
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return TRUE;
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}
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}
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if ((section->flags & SEC_IN_MEMORY) != 0)
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if ((section->flags & SEC_IN_MEMORY) != 0)
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{
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{
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if (section->contents == NULL)
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{
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/* This can happen because of errors earlier on in the linking process.
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We do not want to seg-fault here, so clear the flag and return an
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error code. */
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section->flags &= ~ SEC_IN_MEMORY;
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bfd_set_error (bfd_error_invalid_operation);
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return FALSE;
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}
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memcpy (location, section->contents + offset, (size_t) count);
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memcpy (location, section->contents + offset, (size_t) count);
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return TRUE;
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return TRUE;
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}
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}
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return BFD_SEND (abfd, _bfd_get_section_contents,
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return BFD_SEND (abfd, _bfd_get_section_contents,
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Line 1493... |
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*buf = p;
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*buf = p;
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if (sz == 0)
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if (sz == 0)
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return TRUE;
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return TRUE;
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p = bfd_malloc (sec->rawsize > sec->size ? sec->rawsize : sec->size);
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p = (bfd_byte *)
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bfd_malloc (sec->rawsize > sec->size ? sec->rawsize : sec->size);
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if (p == NULL)
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if (p == NULL)
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return FALSE;
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return FALSE;
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*buf = p;
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*buf = p;
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return bfd_get_section_contents (abfd, sec, p, 0, sz);
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return bfd_get_section_contents (abfd, sec, p, 0, sz);
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