#endif
#ifndef MANY_SEGMENTS
-static struct frag *text_frag_root;
-static struct frag *data_frag_root;
-static struct frag *bss_frag_root;
+struct frag *text_frag_root;
+struct frag *data_frag_root;
+struct frag *bss_frag_root;
-static struct frag *text_last_frag; /* Last frag in segment. */
-static struct frag *data_last_frag; /* Last frag in segment. */
+struct frag *text_last_frag; /* Last frag in segment. */
+struct frag *data_last_frag; /* Last frag in segment. */
static struct frag *bss_last_frag; /* Last frag in segment. */
#endif
int magic_number_for_object_file = DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE;
-/* static long length; JF unused */ /* String length, including trailing '\0'. */
-
-
-#if __STDC__ == 1
-
-static int is_dnrange(struct frag *f1, struct frag *f2);
-static long fixup_segment(fixS *fixP, segT this_segment_type);
-static relax_addressT relax_align(relax_addressT address, long alignment);
-void relax_segment(struct frag *segment_frag_root, segT segment_type);
-
-#else
-
-static int is_dnrange();
-static long fixup_segment();
-static relax_addressT relax_align();
-void relax_segment();
-
-#endif /* not __STDC__ */
+static int is_dnrange PARAMS ((struct frag *f1, struct frag *f2));
+static long fixup_segment PARAMS ((fixS *fixP, segT this_segment_type));
+static relax_addressT relax_align PARAMS ((relax_addressT addr, long align));
+void relax_segment PARAMS ((struct frag *seg_frag_root, segT seg_type));
/*
* fix_new()
comparing to older versions of gas that have relocs
reverse sorted, it is convenient to have this compile
time option. xoxorich. */
-
+
#ifdef REVERSE_SORT_RELOCS
fixP->fx_next = *seg_fix_rootP;
register fragS * fragP; /* Track along all frags. */
register struct frchain * next_frchainP;
register fragS * * prev_fragPP;
- /* register char * name; */
- /* symbolS *symbolP; */
- /* register symbolS ** symbolPP; */
- /* register fixS * fixP; JF unused */
unsigned int data_siz;
long object_file_size;
VMS_Check_For_Main();
#endif /* VMS */
/*
- * After every sub-segment, we fake an ".align ...". This conforms to BSD4.2
- * brane-damage. We then fake ".fill 0" because that is the kind of frag
- * that requires least thought. ".align" frags like to have a following
- * frag since that makes calculating their intended length trivial.
+ * After every sub-segment, we fake an ".align ...". This conforms to
+ * BSD4.2 brane-damage. We then fake ".fill 0" because that is the
+ * kind of frag that requires least thought. ".align" frags like to
+ * have a following frag since that makes calculating their intended
+ * length trivial.
*/
#define SUB_SEGMENT_ALIGN (2)
for (frchainP = frchain_root; frchainP; frchainP = frchainP->frch_next) {
/*
* From now on, we don't care about sub-segments.
* Build one frag chain for each segment. Linked thru fr_next.
- * We know that there is at least 1 text frchain & at least 1 data frchain.
+ * We know that there is at least 1 text frchain & at least 1 data
+ * frchain.
*/
remove_subsegs(frchain_root, SEG_TEXT, &text_frag_root, &text_last_frag);
bss_address_frag.fr_address = (H_GET_TEXT_SIZE(&headers) +
H_GET_DATA_SIZE(&headers));
+
/* Slide all the frags */
if (bss_frag_root)
{
}
#endif
- H_SET_BSS_SIZE(&headers,local_bss_counter + bss_last_frag ? bss_last_frag->fr_address: 0);
+if(bss_last_frag) {
+local_bss_counter += bss_last_frag->fr_address - bss_frag_root->fr_address;
+}
+ H_SET_BSS_SIZE(&headers,local_bss_counter );
/*
*
switch (fragP->fr_type) {
case rs_align:
case rs_org:
+#ifdef HANDLE_ALIGN
+ HANDLE_ALIGN (fragP);
+#endif
fragP->fr_type = rs_fill;
know(fragP->fr_var == 1);
know(fragP->fr_next != NULL);
* Scan every FixS performing fixups. We had to wait until now to do
* this because md_convert_frag() may have made some fixSs.
*/
-
- H_SET_RELOCATION_SIZE(&headers,
- md_reloc_size * fixup_segment(text_fix_root, SEG_TEXT),
- md_reloc_size * fixup_segment(data_fix_root, SEG_DATA));
-
-
+ int trsize, drsize;
+
+ subseg_change (SEG_TEXT, 0);
+ trsize = md_reloc_size * fixup_segment (text_fix_root,
+ SEG_TEXT);
+ subseg_change (SEG_DATA, 0);
+ drsize = md_reloc_size * fixup_segment (data_fix_root,
+ SEG_DATA);
+ H_SET_RELOCATION_SIZE (&headers, trsize, drsize);
+
/* FIXME move this stuff into the pre-write-hook */
H_SET_MAGIC_NUMBER(&headers, magic_number_for_object_file);
H_SET_ENTRY_POINT(&headers, 0);
{
register struct frag * fragP;
register relax_addressT address;
- /* register relax_addressT old_address; JF unused */
- /* register relax_addressT new_address; JF unused */
#ifndef MANY_SEGMENTS
- know(segment == SEG_DATA || segment == SEG_TEXT || segment == SEG_BSS) ;
+ know(segment == SEG_DATA || segment == SEG_TEXT || segment == SEG_BSS);
#endif
/* In case md_estimate_size_before_relax() wants to make fixSs. */
subseg_change(segment, 0);
/*
- * For each frag in segment: count and store (a 1st guess of) fr_address.
+ * For each frag in segment: count and store (a 1st guess of)
+ * fr_address.
*/
address = 0;
for (fragP = segment_frag_root; fragP; fragP = fragP->fr_next) {
case rs_org:
/*
- * Assume .org is nugatory. It will grow with 1st relax.
+ * Assume .org is nugatory. It will grow with 1st
+ * relax.
*/
break;
if (symbolP) {
#ifdef MANY_SEGMENTS
#else
- know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (S_GET_SEGMENT(symbolP) == SEG_DATA) || (S_GET_SEGMENT(symbolP) == SEG_TEXT));
+ know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (S_GET_SEGMENT(symbolP) == SEG_DATA) || (S_GET_SEGMENT(symbolP) == SEG_TEXT) || S_GET_SEGMENT(symbolP) == SEG_BSS);
know(symbolP->sy_frag);
know(!(S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (symbolP->sy_frag == &zero_address_frag));
#endif
if (symbolP) {
#ifndef MANY_SEGMENTS
- know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (S_GET_SEGMENT(symbolP) == SEG_DATA) || (S_GET_SEGMENT(symbolP) == SEG_TEXT));
+ know((S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || (S_GET_SEGMENT(symbolP) == SEG_DATA)|| (S_GET_SEGMENT(symbolP) == SEG_BSS) || (S_GET_SEGMENT(symbolP) == SEG_TEXT));
#endif
know(symbolP->sy_frag);
know(!(S_GET_SEGMENT(symbolP) == SEG_ABSOLUTE) || symbolP->sy_frag==&zero_address_frag );
*/
/* How many addresses does the .align take? */
-static relax_addressT relax_align(address, alignment)
-register relax_addressT address; /* Address now. */
-register long alignment; /* Alignment (binary). */
+static relax_addressT
+relax_align(address, alignment)
+ register relax_addressT address; /* Address now. */
+ register long alignment; /* Alignment (binary). */
{
- relax_addressT mask;
- relax_addressT new_address;
-
- mask = ~ ( (~0) << alignment );
- new_address = (address + mask) & (~ mask);
- return (new_address - address);
+ relax_addressT mask;
+ relax_addressT new_address;
+
+ mask = ~ ( (~0) << alignment );
+ new_address = (address + mask) & (~ mask);
+ if (linkrelax)
+ /* We must provide lots of padding, so the linker can discard it
+ when needed. The linker will not add extra space, ever. */
+ new_address += (1 << alignment);
+ return (new_address - address);
} /* relax_align() */
/* fixup_segment()
handle the remaining fixS's that we couldn't completely handle here.
These will be output later by emit_relocations(). */
-static long fixup_segment(fixP, this_segment_type)
-register fixS * fixP;
-segT this_segment_type; /* N_TYPE bits for segment. */
+static long
+fixup_segment(fixP, this_segment_type)
+ register fixS *fixP;
+ segT this_segment_type; /* N_TYPE bits for segment. */
{
register long seg_reloc_count;
register symbolS *add_symbolP;
/* FIXME: remove this line */ /* fixS *orig = fixP; */
seg_reloc_count = 0;
-
+#ifdef TC_I960
+ /* If the linker is doing the relaxing, we must not do any fixups */
+ if (linkrelax) {
+ for ( ; fixP ; fixP = fixP->fx_next) {
+ seg_reloc_count++;
+ }
+ }
+ else
+#endif
for ( ; fixP; fixP = fixP->fx_next) {
fragP = fixP->fx_frag;
know(fragP);
if (!fixP->fx_bit_fixP) {
if ((size==1 &&
- (add_number& ~0xFF) && (add_number&~0xFF!=(-1&~0xFF))) ||
+ (add_number& ~0xFF) && ((add_number&~0xFF)!=(-1&~0xFF))) ||
(size==2 &&
- (add_number& ~0xFFFF) && (add_number&~0xFFFF!=(-1&~0xFFFF)))) {
+ (add_number& ~0xFFFF) && ((add_number&~0xFFFF)!=(-1&~0xFFFF)))) {
as_bad("Value of %d too large for field of %d bytes at 0x%x",
add_number, size, fragP->fr_address + where);
} /* generic error checking */
projects / deliverable / binutils-gdb.git / blobdiff