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* cgen.c (gas_cgen_pcrel_r_type): New function.

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(gas_cgen_tc_gen_reloc): Check for GAS_CGEN_PCREL_R_TYPE.
	* cgen.h (gas_cgen_pcrel_r_type): Declare.
This commit is contained in:
Nick Clifton 2011-09-08 16:07:11 +00:00
parent 103ae312ba
commit 32425e36f3
3 changed files with 39 additions and 7 deletions
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6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
2011-09-08 Joern Rennecke <joern.rennecke@embecosm.com>
* cgen.c (gas_cgen_pcrel_r_type): New function.
(gas_cgen_tc_gen_reloc): Check for GAS_CGEN_PCREL_R_TYPE.
* cgen.h (gas_cgen_pcrel_r_type): Declare.
2011-09-08 Richard Sandiford <rdsandiford@googlemail.com>
PR gas/13167

27
gas/cgen.c
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@ -1,6 +1,6 @@
/* GAS interface for targets using CGEN: Cpu tools GENerator.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2009, 2010 Free Software Foundation, Inc.
2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -1018,6 +1018,22 @@ gas_cgen_md_apply_fix (fixP, valP, seg)
fixP->fx_addnumber = value;
}
bfd_reloc_code_real_type
gas_cgen_pcrel_r_type (bfd_reloc_code_real_type r)
{
switch (r)
{
case BFD_RELOC_8: r = BFD_RELOC_8_PCREL; break;
case BFD_RELOC_16: r = BFD_RELOC_16_PCREL; break;
case BFD_RELOC_24: r = BFD_RELOC_24_PCREL; break;
case BFD_RELOC_32: r = BFD_RELOC_32_PCREL; break;
case BFD_RELOC_64: r = BFD_RELOC_64_PCREL; break;
default:
break;
}
return r;
}
/* Translate internal representation of relocation info to BFD target format.
FIXME: To what extent can we get all relevant targets to use this? */
@ -1027,10 +1043,17 @@ gas_cgen_tc_gen_reloc (section, fixP)
asection * section ATTRIBUTE_UNUSED;
fixS * fixP;
{
bfd_reloc_code_real_type r_type = fixP->fx_r_type;
arelent *reloc;
reloc = (arelent *) xmalloc (sizeof (arelent));
reloc->howto = bfd_reloc_type_lookup (stdoutput, fixP->fx_r_type);
#ifdef GAS_CGEN_PCREL_R_TYPE
if (fixP->fx_pcrel)
r_type = GAS_CGEN_PCREL_R_TYPE (r_type);
#endif
reloc->howto = bfd_reloc_type_lookup (stdoutput, r_type);
if (reloc->howto == (reloc_howto_type *) NULL)
{
as_bad_where (fixP->fx_file, fixP->fx_line,

13
gas/cgen.h
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@ -1,5 +1,5 @@
/* GAS cgen support.
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2011
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -32,8 +32,9 @@ extern CGEN_CPU_DESC gas_cgen_cpu_desc;
#endif
/* Struct defining result of gas_cgen_finish_insn. */
typedef struct {
/* frag containing the insn */
typedef struct
{
/* Frag containing the insn */
fragS * frag;
/* Address of insn in frag. */
char * addr;
@ -80,10 +81,12 @@ extern fixS * gas_cgen_record_fixup_exp (fragS *, int, const CGEN_INSN *,
int, const CGEN_OPERAND *, int,
expressionS *);
/* md_apply_fix handler */
extern bfd_reloc_code_real_type gas_cgen_pcrel_r_type (bfd_reloc_code_real_type);
/* md_apply_fix handler. */
extern void gas_cgen_md_apply_fix (fixS *, valueT *, segT);
/* tc_gen_reloc handler */
/* tc_gen_reloc handler. */
extern arelent *gas_cgen_tc_gen_reloc (asection *, fixS *);
/* Target supplied routine to lookup a reloc. */