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* read.c (address_bytes): New function.
	(TC_ADDRESS_BYTES): Default for BSD_ASSEMBLER to address_bytes.
	(potable): Add "dc.a".
	(cons_worker): Handle "dc.a".
	* doc/internals.texi (TC_ADDRESS_BYTES): Document.
ld/testsuite/
	* ld-elf/exclude1.s: Use ".dc.a".
	* ld-elfvsb/hidden2.s: Likewise.
This commit is contained in:
Alan Modra
2005-02-21 08:39:53 +00:00
parent 2562953678
commit cc1bc22af7
6 changed files with 46 additions and 2 deletions
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8
gas/ChangeLog
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@ -1,3 +1,11 @@
2005-02-21 Alan Modra <amodra@bigpond.net.au>
* read.c (address_bytes): New function.
(TC_ADDRESS_BYTES): Default for BSD_ASSEMBLER to address_bytes.
(potable): Add "dc.a".
(cons_worker): Handle "dc.a".
* doc/internals.texi (TC_ADDRESS_BYTES): Document.
2005-02-21 Alan Modra <amodra@bigpond.net.au> 2005-02-21 Alan Modra <amodra@bigpond.net.au>
* input-file.c (input_file_open): Rearrange to avoid warning. * input-file.c (input_file_open): Rearrange to avoid warning.

5
gas/doc/internals.texi
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@ -1114,6 +1114,11 @@ pseudo-op.
@cindex TC_CONS_FIX_NEW @cindex TC_CONS_FIX_NEW
You may define this macro to generate a fixup for a data allocation pseudo-op. You may define this macro to generate a fixup for a data allocation pseudo-op.
@item TC_ADDRESS_BYTES
@cindex TC_ADDRESS_BYTES
Define this macro to specify the number of bytes used to store an address.
Used to implement @code{dc.a}. The target must have a reloc for this size.
@item TC_INIT_FIX_DATA (@var{fixp}) @item TC_INIT_FIX_DATA (@var{fixp})
@cindex TC_INIT_FIX_DATA @cindex TC_INIT_FIX_DATA
A C statement to initialize the target specific fields of fixup @var{fixp}. A C statement to initialize the target specific fields of fixup @var{fixp}.

26
gas/read.c
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@ -243,6 +243,24 @@ read_begin (void)
lex_type['?'] = 3; lex_type['?'] = 3;
} }
#ifndef TC_ADDRESS_BYTES
#ifdef BFD_ASSEMBLER
#define TC_ADDRESS_BYTES address_bytes
static inline int
address_bytes (void)
{
/* Choose smallest of 1, 2, 4, 8 bytes that is large enough to
contain an address. */
int n = (stdoutput->arch_info->bits_per_address - 1) / 8;
n |= n >> 1;
n |= n >> 2;
n += 1;
return n;
}
#endif
#endif
/* Set up pseudo-op tables. */ /* Set up pseudo-op tables. */
static struct hash_control *po_hash; static struct hash_control *po_hash;
@ -263,6 +281,9 @@ static const pseudo_typeS potable[] = {
{"common.s", s_mri_common, 1}, {"common.s", s_mri_common, 1},
{"data", s_data, 0}, {"data", s_data, 0},
{"dc", cons, 2}, {"dc", cons, 2},
#ifdef TC_ADDRESS_BYTES
{"dc.a", cons, 0},
#endif
{"dc.b", cons, 1}, {"dc.b", cons, 1},
{"dc.d", float_cons, 'd'}, {"dc.d", float_cons, 'd'},
{"dc.l", cons, 4}, {"dc.l", cons, 4},
@ -3335,6 +3356,11 @@ cons_worker (register int nbytes, /* 1=.byte, 2=.word, 4=.long. */
return; return;
} }
#ifdef TC_ADDRESS_BYTES
if (nbytes == 0)
nbytes = TC_ADDRESS_BYTES ();
#endif
#ifdef md_cons_align #ifdef md_cons_align
md_cons_align (nbytes); md_cons_align (nbytes);
#endif #endif

5
ld/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2005-02-21 Alan Modra <amodra@bigpond.net.au>
* ld-elf/exclude1.s: Use ".dc.a".
* ld-elfvsb/hidden2.s: Likewise.
2005-02-21 Alan Modra <amodra@bigpond.net.au> 2005-02-21 Alan Modra <amodra@bigpond.net.au>
* ld-elf/warn1.d: Specify -Ttext. * ld-elf/warn1.d: Specify -Ttext.

2
ld/testsuite/ld-elf/exclude1.s
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@ -1,4 +1,4 @@
.globl include_sym .globl include_sym
.data .data
include_sym: include_sym:
.long exclude_sym .dc.a exclude_sym

2
ld/testsuite/ld-elfvsb/hidden2.s
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@ -1,4 +1,4 @@
.data .data
.hidden foo .hidden foo
.global foo .global foo
.long foo .dc.a foo