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2003-12-19 Alexandre Oliva <aoliva@redhat.com> 

* config/tc-frv.h (md_apply_fix3): Don't define.
* config/tc-frv.c (md_apply_fix3): New.  Shift/truncate %hi/%lo
operands.
* config/tc-frv.h (TC_FORCE_RELOCATION_SUB_LOCAL): Define.
2003-10-07  Alexandre Oliva  <aoliva@redhat.com>
* config/tc-frv.c (line_separator_chars): Add `!'.
2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
* config/tc-frv.c (md_assemble): Clear insn upfront.
2003-09-18  Alexandre Oliva  <aoliva@redhat.com>
* config/tc-frv.c (OPTION_FDPIC): New macro.
(md_longopts): Add mfdpic.
(md_parse_option): Handle it.
2003-08-04  Alexandre Oliva  <aoliva@redhat.com>
* config/tc-frv.c (md_cgen_lookup_reloc) <FRV_OPERAND_D12,
FRV_OPERAND_S12>: Use reloc type encoded in fix-up.
(frv_pic_ptr): Parse funcdesc.
This commit is contained in:
Alexandre Oliva 2004-01-06 19:19:18 +00:00
parent fee5fcc505
commit 99d09cdbd4
3 changed files with 77 additions and 5 deletions
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20
gas/ChangeLog
View File

@ -1,3 +1,23 @@
2004-01-06 Alexandre Oliva <aoliva@redhat.com>
2003-12-19 Alexandre Oliva <aoliva@redhat.com>
* config/tc-frv.h (md_apply_fix3): Don't define.
* config/tc-frv.c (md_apply_fix3): New. Shift/truncate %hi/%lo
operands.
* config/tc-frv.h (TC_FORCE_RELOCATION_SUB_LOCAL): Define.
2003-10-07 Alexandre Oliva <aoliva@redhat.com>
* config/tc-frv.c (line_separator_chars): Add `!'.
2003-09-19 Alexandre Oliva <aoliva@redhat.com>
* config/tc-frv.c (md_assemble): Clear insn upfront.
2003-09-18 Alexandre Oliva <aoliva@redhat.com>
* config/tc-frv.c (OPTION_FDPIC): New macro.
(md_longopts): Add mfdpic.
(md_parse_option): Handle it.
2003-08-04 Alexandre Oliva <aoliva@redhat.com>
* config/tc-frv.c (md_cgen_lookup_reloc) <FRV_OPERAND_D12,
FRV_OPERAND_S12>: Use reloc type encoded in fix-up.
(frv_pic_ptr): Parse funcdesc.
2004-01-05 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
* doc/as.texinfo: Let texi2pod parse asconfig.texi and

55
gas/config/tc-frv.c
View File

@ -115,7 +115,7 @@ static struct vliw_insn_list *current_vliw_insn;
const char comment_chars[] = ";";
const char line_comment_chars[] = "#";
const char line_separator_chars[] = "";
const char line_separator_chars[] = "!";
const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD";
@ -218,6 +218,7 @@ const char * md_shortopts = FRV_SHORTOPTS;
#define OPTION_TOMCAT_STATS (OPTION_MD_BASE + 18)
#define OPTION_PACK (OPTION_MD_BASE + 19)
#define OPTION_NO_PACK (OPTION_MD_BASE + 20)
#define OPTION_FDPIC (OPTION_MD_BASE + 21)
struct option md_longopts[] =
{
@ -243,6 +244,7 @@ struct option md_longopts[] =
{ "mtomcat-stats", no_argument, NULL, OPTION_TOMCAT_STATS },
{ "mpack", no_argument, NULL, OPTION_PACK },
{ "mno-pack", no_argument, NULL, OPTION_NO_PACK },
{ "mfdpic", no_argument, NULL, OPTION_FDPIC },
{ NULL, no_argument, NULL, 0 },
};
@ -406,6 +408,11 @@ md_parse_option (c, arg)
g_switch_value = 0;
break;
case OPTION_FDPIC:
frv_flags |= EF_FRV_FDPIC;
frv_pic_flag = "-mfdpic";
break;
case OPTION_TOMCAT_DEBUG:
tomcat_debug = 1;
break;
@ -1050,6 +1057,8 @@ md_assemble (str)
/* Initialize GAS's cgen interface for a new instruction. */
gas_cgen_init_parse ();
memset (&insn, 0, sizeof (insn));
insn.insn = frv_cgen_assemble_insn
(gas_cgen_cpu_desc, str, & insn.fields, insn.buffer, &errmsg);
@ -1312,6 +1321,9 @@ md_cgen_lookup_reloc (insn, operand, fixP)
case FRV_OPERAND_D12:
case FRV_OPERAND_S12:
if (fixP->fx_cgen.opinfo != 0)
return fixP->fx_cgen.opinfo;
return BFD_RELOC_FRV_GPREL12;
case FRV_OPERAND_U12:
@ -1338,6 +1350,30 @@ frv_force_relocation (fix)
return generic_force_reloc (fix);
}
/* Apply a fixup that could be resolved within the assembler. */
void
md_apply_fix3 (fixP, valP, seg)
fixS * fixP;
valueT * valP;
segT seg;
{
if (fixP->fx_addsy == 0)
switch (fixP->fx_cgen.opinfo)
{
case BFD_RELOC_FRV_HI16:
*valP >>= 16;
/* Fall through. */
case BFD_RELOC_FRV_LO16:
*valP &= 0xffff;
break;
}
gas_cgen_md_apply_fix3 (fixP, valP, seg);
return;
}
/* Write a value out to the object file, using the appropriate endianness. */
@ -1483,12 +1519,25 @@ frv_pic_ptr (nbytes)
do
{
expression (&exp);
bfd_reloc_code_real_type reloc_type = BFD_RELOC_CTOR;
if (strncasecmp (input_line_pointer, "funcdesc(", 9) == 0)
{
input_line_pointer += 9;
expression (&exp);
if (*input_line_pointer == ')')
input_line_pointer++;
else
as_bad ("missing ')'");
reloc_type = BFD_RELOC_FRV_FUNCDESC;
}
else
expression (&exp);
p = frag_more (4);
memset (p, 0, 4);
fix_new_exp (frag_now, p - frag_now->fr_literal, 4, &exp, 0,
BFD_RELOC_CTOR);
reloc_type);
}
while (*input_line_pointer++ == ',');

7
gas/config/tc-frv.h
View File

@ -45,8 +45,6 @@
/* Values passed to md_apply_fix3 don't include the symbol value. */
#define MD_APPLY_SYM_VALUE(FIX) 0
#define md_apply_fix3 gas_cgen_md_apply_fix3
extern void frv_tomcat_workaround PARAMS ((void));
#define md_cleanup frv_tomcat_workaround
@ -63,6 +61,11 @@ extern bfd_boolean frv_fix_adjustable PARAMS ((struct fix *));
#define TC_FORCE_RELOCATION(fix) frv_force_relocation (fix)
extern int frv_force_relocation PARAMS ((struct fix *));
/* If we simplify subtractions that aren't SUB_SAME or SUB_ABS, we end
up with PCrel fixups, but since we don't have any PCrel relocs, we
crash. Preventing simplification gets us a good, early error. */
#define TC_FORCE_RELOCATION_SUB_LOCAL(fixP) 1
#undef GAS_CGEN_MAX_FIXUPS
#define GAS_CGEN_MAX_FIXUPS 1