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1999-08-08 Mark Elbrecht <snowball3@bigfoot.com>

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* libcoff-in.h (struct coff_section_alignment_entry): Define.
	* coffcode.h (coff_set_custom_section_alignment): New static
	function.
	(coff_section_alignment_table): New static array.
	(coff_new_section_hook): Use coff_set_customer_section_alignment.
	* coff-go32.c (COFF_SECTION_ALIGNMENT_ENTRIES): Define.
	* coff-stgo32.c (COFF_SECTION_ALIGNMENT_ENTRIES): Define.
	* libcoff.h: Rebuild.
This commit is contained in:
Ian Lance Taylor
1999-08-09 02:56:16 +00:00
parent dc8bc5a62a
commit 5dccc1ddaa
6 changed files with 171 additions and 24 deletions
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37
bfd/libcoff.h
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@ -1,5 +1,5 @@
/* BFD COFF object file private structure.
Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 1998
Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999
Free Software Foundation, Inc.
Written by Cygnus Support.
@ -467,6 +467,41 @@ struct coff_final_link_info
struct internal_reloc *internal_relocs;
};
/* Most COFF variants have no way to record the alignment of a
section. This struct is used to set a specific alignment based on
the name of the section. */
struct coff_section_alignment_entry
{
/* The section name. */
const char *name;
/* This is either (unsigned int) -1, indicating that the section
name must match exactly, or it is the number of letters which
must match at the start of the name. */
unsigned int comparison_length;
/* These macros may be used to fill in the first two fields in a
structure initialization. */
#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1)
#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1)
/* Only use this entry if the default section alignment for this
target is at least that much (as a power of two). If this field
is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
unsigned int default_alignment_min;
/* Only use this entry if the default section alignment for this
target is no greater than this (as a power of two). If this
field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */
unsigned int default_alignment_max;
#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1)
/* The desired alignment for this section (as a power of two). */
unsigned int alignment_power;
};
extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
extern boolean _bfd_coff_link_hash_table_init