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2013-03-08 Chung-Lin Tang <cltang@codesourcery.com>

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* write.h (struct fix): Add fx_dot_frag field.
	(dot_frag): Declare.
	* write.c (dot_frag): New variable.
	(fix_new_internal): Set fx_dot_frag field with dot_frag.
	(fixup_segment): Base calculation of fx_offset with fx_dot_frag.
	* expr.c (expr): Save value of frag_now in dot_frag when setting
	dot_value.
	* read.c (emit_expr): Likewise. Delete comments.
This commit is contained in:
Chung-Lin Tang 2013-03-08 10:17:00 +00:00
parent 12afa43e27
commit 8e723a1045
5 changed files with 25 additions and 4 deletions
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11
gas/ChangeLog
View file

@ -1,3 +1,14 @@
2013-03-08 Chung-Lin Tang <cltang@codesourcery.com>
* write.h (struct fix): Add fx_dot_frag field.
(dot_frag): Declare.
* write.c (dot_frag): New variable.
(fix_new_internal): Set fx_dot_frag field with dot_frag.
(fixup_segment): Base calculation of fx_offset with fx_dot_frag.
* expr.c (expr): Save value of frag_now in dot_frag when setting
dot_value.
* read.c (emit_expr): Likewise. Delete comments.
2013-03-07 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (flag_code_names): Removed.

5
gas/expr.c
View file

@ -1735,7 +1735,10 @@ expr (int rankarg, /* Larger # is higher rank. */
/* Save the value of dot for the fixup code. */
if (rank == 0)
dot_value = frag_now_fix ();
{
dot_value = frag_now_fix ();
dot_frag = frag_now;
}
retval = operand (resultP, mode);

3
gas/read.c
View file

@ -4087,10 +4087,9 @@ emit_expr (expressionS *exp, unsigned int nbytes)
if (need_pass_2)
return;
/* Grow the current frag now so that dot_value does not get invalidated
if the frag were to fill up in the frag_more() call below. */
frag_grow (nbytes);
dot_value = frag_now_fix ();
dot_frag = frag_now;
#ifndef NO_LISTING
#ifdef OBJ_ELF

6
gas/write.c
View file

@ -122,6 +122,9 @@ symbolS *abs_section_sym;
/* Remember the value of dot when parsing expressions. */
addressT dot_value;
/* The frag that dot_value is based from. */
fragS *dot_frag;
/* Relocs generated by ".reloc" pseudo. */
struct reloc_list* reloc_list;
@ -169,6 +172,7 @@ fix_new_internal (fragS *frag, /* Which frag? */
fixP->fx_subsy = sub_symbol;
fixP->fx_offset = offset;
fixP->fx_dot_value = dot_value;
fixP->fx_dot_frag = dot_frag;
fixP->fx_pcrel = pcrel;
fixP->fx_r_type = r_type;
fixP->fx_im_disp = 0;
@ -977,7 +981,7 @@ fixup_segment (fixS *fixP, segT this_segment)
{
add_number -= S_GET_VALUE (fixP->fx_subsy);
fixP->fx_offset = (add_number + fixP->fx_dot_value
+ fixP->fx_frag->fr_address);
+ fixP->fx_dot_frag->fr_address);
/* Make it pc-relative. If the back-end code has not
selected a pc-relative reloc, cancel the adjustment

4
gas/write.h
View file

@ -88,6 +88,9 @@ struct fix
/* The value of dot when the fixup expression was parsed. */
addressT fx_dot_value;
/* The frag fx_dot_value is based on. */
fragS *fx_dot_frag;
/* Next fixS in linked list, or NULL. */
struct fix *fx_next;
@ -162,6 +165,7 @@ struct reloc_list
extern int finalize_syms;
extern symbolS *abs_section_sym;
extern addressT dot_value;
extern fragS *dot_frag;
extern struct reloc_list* reloc_list;
extern void append (char **charPP, char *fromP, unsigned long length);