aboutsummaryrefslogtreecommitdiff
path: root/gas/subsegs.c
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2005-08-11 01:25:29 +0000
committerAlan Modra <amodra@gmail.com>2005-08-11 01:25:29 +0000
commit7be1c4891a2036c31e706908d43f33f7f59ae5a9 (patch)
tree14d7dd4e6c2294b9caad043708967bfc01fdfd8a /gas/subsegs.c
parentf7348dad420052e467f39c9f80cbb396c7b8942e (diff)
downloadgdb-7be1c4891a2036c31e706908d43f33f7f59ae5a9.zip
gdb-7be1c4891a2036c31e706908d43f33f7f59ae5a9.tar.gz
gdb-7be1c4891a2036c31e706908d43f33f7f59ae5a9.tar.bz2
* README-vms: Delete.
* config-gas.com: Delete. * makefile.vms: Delete. * vmsconf.sh: Delete. * config/atof-tahoe.c: Delete. * config/m88k-opcode.h: Delete. * config/obj-bout.c: Delete. * config/obj-bout.h: Delete. * config/obj-hp300.c: Delete. * config/obj-hp300.h: Delete. * config/tc-a29k.c: Delete. * config/tc-a29k.h: Delete. * config/tc-h8500.c: Delete. * config/tc-h8500.h: Delete. * config/tc-m88k.c: Delete. * config/tc-m88k.h: Delete. * config/tc-tahoe.c: Delete. * config/tc-tahoe.h: Delete. * config/tc-tic80.c: Delete. * config/tc-tic80.h: Delete. * config/tc-w65.c: Delete. * config/tc-w65.h: Delete. * config/te-aux.h: Delete. * config/te-delt88.h: Delete. * config/te-delta.h: Delete. * config/te-dpx2.h: Delete. * config/te-hp300.h: Delete. * config/te-ic960.h: Delete. * config/vms-a-conf.h: Delete. * doc/c-a29k.texi: Delete. * doc/c-h8500.texi: Delete. * doc/c-m88k.texi: Delete. * README: Remove obsolete examples, and list of supported targets. * Makefile.am: Remove a29k, h8500, m88k, tahoe, tic80, w65, bout and hp300 support. (DEP_FLAGS): Don't define BFD_ASSEMBLER. * configure.in: Remove --enable-bfd-assembler, need_bfd, primary_bfd_gas. * configure.tgt: Remove a29k, h8300-coff, h8500-*, i960 non-elf, m68k non bfd, m88k, or32-coff, tic80-*, vax non-bfd, w65k-*, *-nindy. * as.c: Remove all non-BFD_ASSEMBLER code, support for above targets. * as.h: Likewise. * dw2gencfi.c: Likewise. * dwarf2dbg.c: Likewise. * ehopt.c: Likewise. * input-file.c: Likewise. * listing.c: Likewise. * literal.c: Likewise. * messages.c: Likewise. * obj.h: Likewise. * output-file.c: Likewise. * read.c: Likewise. * stabs.c: Likewise. * struc-symbol.h: Likewise. * subsegs.c: Likewise. * subsegs.h: Likewise. * symbols.c: Likewise. * symbols.h: Likewise. * tc.h: Likewise. * write.c: Likewise. * write.h: Likewise. * config/aout_gnu.h: Likewise. * config/obj-aout.c: Likewise. * config/obj-aout.h: Likewise. * config/obj-coff.c: Likewise. * config/obj-coff.h: Likewise. * config/obj-evax.h: Likewise. * config/obj-ieee.h: Likewise. * config/tc-arm.c: Likewise. * config/tc-arm.h: Likewise. * config/tc-avr.c: Likewise. * config/tc-avr.h: Likewise. * config/tc-crx.h: Likewise. * config/tc-d10v.h: Likewise. * config/tc-d30v.h: Likewise. * config/tc-dlx.h: Likewise. * config/tc-fr30.h: Likewise. * config/tc-frv.h: Likewise. * config/tc-h8300.c: Likewise. * config/tc-h8300.h: Likewise. * config/tc-hppa.h: Likewise. * config/tc-i370.h: Likewise. * config/tc-i386.c: Likewise. * config/tc-i386.h: Likewise. * config/tc-i860.h: Likewise. * config/tc-i960.c: Likewise. * config/tc-i960.h: Likewise. * config/tc-ip2k.h: Likewise. * config/tc-iq2000.h: Likewise. * config/tc-m32c.h: Likewise. * config/tc-m32r.h: Likewise. * config/tc-m68hc11.h: Likewise. * config/tc-m68k.c: Likewise. * config/tc-m68k.h: Likewise. * config/tc-maxq.c: Likewise. * config/tc-maxq.h: Likewise. * config/tc-mcore.c: Likewise. * config/tc-mcore.h: Likewise. * config/tc-mn10200.h: Likewise. * config/tc-mn10300.c: Likewise. * config/tc-mn10300.h: Likewise. * config/tc-ms1.h: Likewise. * config/tc-msp430.c: Likewise. * config/tc-msp430.h: Likewise. * config/tc-ns32k.c: Likewise. * config/tc-ns32k.h: Likewise. * config/tc-openrisc.h: Likewise. * config/tc-or32.c: Likewise. * config/tc-or32.h: Likewise. * config/tc-ppc.c: Likewise. * config/tc-ppc.h: Likewise. * config/tc-s390.h: Likewise. * config/tc-sh.c: Likewise. * config/tc-sh.h: Likewise. * config/tc-sparc.c: Likewise. * config/tc-tic30.c: Likewise. * config/tc-tic30.h: Likewise. * config/tc-tic4x.c: Likewise. * config/tc-tic4x.h: Likewise. * config/tc-tic54x.c: Likewise. * config/tc-tic54x.h: Likewise. * config/tc-v850.h: Likewise. * config/tc-vax.c: Likewise. * config/tc-vax.h: Likewise. * config/tc-xstormy16.h: Likewise. * config/tc-xtensa.h: Likewise. * config/tc-z8k.c: Likewise. * config/tc-z8k.h: Likewise. * config/vms-a-conf.h * doc/Makefile.am: Likewise. * doc/all.texi: Likewise. * doc/as.texinfo: Likewise. * doc/Makefile.in: Regenerate. * Makefile.in: Regenerate. * configure: Regenerate. * config.in: Regenerate. * po/POTFILES.in: Regenerate.
Diffstat (limited to 'gas/subsegs.c')
-rw-r--r--gas/subsegs.c249
1 files changed, 20 insertions, 229 deletions
diff --git a/gas/subsegs.c b/gas/subsegs.c
index 50343b6..b1cb8e4 100644
--- a/gas/subsegs.c
+++ b/gas/subsegs.c
@@ -31,45 +31,11 @@ frchainS *frchain_root, *frchain_now;
static struct obstack frchains;
-#ifndef BFD_ASSEMBLER
-#ifdef MANY_SEGMENTS
-segment_info_type segment_info[SEG_MAXIMUM_ORDINAL];
-
-#else
-/* Commented in "subsegs.h". */
-frchainS *data0_frchainP, *bss0_frchainP;
-
-#endif /* MANY_SEGMENTS */
-char const *const seg_name[] = {
- "absolute",
-#ifdef MANY_SEGMENTS
- "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9",
- "e10", "e11", "e12", "e13", "e14", "e15", "e16", "e17", "e18", "e19",
- "e20", "e21", "e22", "e23", "e24", "e25", "e26", "e27", "e28", "e29",
- "e30", "e31", "e32", "e33", "e34", "e35", "e36", "e37", "e38", "e39",
-#else
- "text",
- "data",
- "bss",
-#endif /* MANY_SEGMENTS */
- "unknown",
- "ASSEMBLER-INTERNAL-LOGIC-ERROR!",
- "expr",
- "debug",
- "transfert vector preload",
- "transfert vector postload",
- "register",
- "",
-}; /* Used by error reporters, dumpers etc. */
-#else /* BFD_ASSEMBLER */
-
/* Gas segment information for bfd_abs_section_ptr and
bfd_und_section_ptr. */
static segment_info_type *abs_seg_info;
static segment_info_type *und_seg_info;
-#endif /* BFD_ASSEMBLER */
-
static void subseg_set_rest (segT, subsegT);
static fragS dummy_frag;
@@ -79,22 +45,6 @@ static frchainS absolute_frchain;
void
subsegs_begin (void)
{
- /* Check table(s) seg_name[], seg_N_TYPE[] is in correct order */
-#if !defined (MANY_SEGMENTS) && !defined (BFD_ASSEMBLER)
- know (SEG_ABSOLUTE == 0);
- know (SEG_TEXT == 1);
- know (SEG_DATA == 2);
- know (SEG_BSS == 3);
- know (SEG_UNKNOWN == 4);
- know (SEG_GOOF == 5);
- know (SEG_EXPR == 6);
- know (SEG_DEBUG == 7);
- know (SEG_NTV == 8);
- know (SEG_PTV == 9);
- know (SEG_REGISTER == 10);
- know (SEG_MAXIMUM_ORDINAL == SEG_REGISTER);
-#endif
-
obstack_begin (&frchains, chunksize);
#if __GNUC__ >= 2
obstack_alignment_mask (&frchains) = __alignof__ (frchainS) - 1;
@@ -105,32 +55,9 @@ subsegs_begin (void)
frag_now = &dummy_frag;
-#ifndef BFD_ASSEMBLER
- now_subseg = 42; /* Lie for 1st call to subseg_new. */
-#ifdef MANY_SEGMENTS
- {
- int i;
- for (i = SEG_E0; i < SEG_UNKNOWN; i++)
- {
- subseg_set (i, 0);
- segment_info[i].frchainP = frchain_now;
- }
- }
-#else
- subseg_set (SEG_DATA, 0); /* .data 0 */
- data0_frchainP = frchain_now;
-
- subseg_set (SEG_BSS, 0);
- bss0_frchainP = frchain_now;
-
-#endif /* ! MANY_SEGMENTS */
-#endif /* ! BFD_ASSEMBLER */
-
absolute_frchain.frch_seg = absolute_section;
absolute_frchain.frch_subseg = 0;
-#ifdef BFD_ASSEMBLER
absolute_frchain.fix_root = absolute_frchain.fix_tail = 0;
-#endif
absolute_frchain.frch_frag_now = &zero_address_frag;
absolute_frchain.frch_root = absolute_frchain.frch_last = &zero_address_frag;
}
@@ -150,54 +77,27 @@ subseg_change (register segT seg, register int subseg)
{
now_seg = seg;
now_subseg = subseg;
+ segment_info_type *seginfo;
if (now_seg == absolute_section)
return;
-#ifdef BFD_ASSEMBLER
- {
- segment_info_type *seginfo;
- seginfo = (segment_info_type *) bfd_get_section_userdata (stdoutput, seg);
- if (! seginfo)
- {
- seginfo = (segment_info_type *) xmalloc (sizeof (*seginfo));
- memset ((PTR) seginfo, 0, sizeof (*seginfo));
- seginfo->fix_root = NULL;
- seginfo->fix_tail = NULL;
- seginfo->bfd_section = seg;
- seginfo->sym = 0;
- if (seg == bfd_abs_section_ptr)
- abs_seg_info = seginfo;
- else if (seg == bfd_und_section_ptr)
- und_seg_info = seginfo;
- else
- bfd_set_section_userdata (stdoutput, seg, (PTR) seginfo);
- }
- }
-#else
-#ifdef MANY_SEGMENTS
- seg_fix_rootP = &segment_info[seg].fix_root;
- seg_fix_tailP = &segment_info[seg].fix_tail;
-#else
- if (seg == SEG_DATA)
- {
- seg_fix_rootP = &data_fix_root;
- seg_fix_tailP = &data_fix_tail;
- }
- else if (seg == SEG_TEXT)
- {
- seg_fix_rootP = &text_fix_root;
- seg_fix_tailP = &text_fix_tail;
- }
- else
+ seginfo = (segment_info_type *) bfd_get_section_userdata (stdoutput, seg);
+ if (! seginfo)
{
- know (seg == SEG_BSS);
- seg_fix_rootP = &bss_fix_root;
- seg_fix_tailP = &bss_fix_tail;
+ seginfo = (segment_info_type *) xmalloc (sizeof (*seginfo));
+ memset ((PTR) seginfo, 0, sizeof (*seginfo));
+ seginfo->fix_root = NULL;
+ seginfo->fix_tail = NULL;
+ seginfo->bfd_section = seg;
+ seginfo->sym = 0;
+ if (seg == bfd_abs_section_ptr)
+ abs_seg_info = seginfo;
+ else if (seg == bfd_und_section_ptr)
+ und_seg_info = seginfo;
+ else
+ bfd_set_section_userdata (stdoutput, seg, (PTR) seginfo);
}
-
-#endif
-#endif
}
static void
@@ -274,13 +174,13 @@ subseg_set_rest (segT seg, subsegT subseg)
/*
* This should be the only code that creates a frchainS.
*/
+ segment_info_type *seginfo;
+
newP = (frchainS *) obstack_alloc (&frchains, sizeof (frchainS));
newP->frch_subseg = subseg;
newP->frch_seg = seg;
-#ifdef BFD_ASSEMBLER
newP->fix_root = NULL;
newP->fix_tail = NULL;
-#endif
obstack_begin (&newP->frch_obstack, chunksize);
#if __GNUC__ >= 2
obstack_alignment_mask (&newP->frch_obstack) = __alignof__ (fragS) - 1;
@@ -293,14 +193,9 @@ subseg_set_rest (segT seg, subsegT subseg)
*lastPP = newP;
newP->frch_next = frcP; /* perhaps NULL */
-#ifdef BFD_ASSEMBLER
- {
- segment_info_type *seginfo;
- seginfo = seg_info (seg);
- if (seginfo && seginfo->frchainP == frcP)
- seginfo->frchainP = newP;
- }
-#endif
+ seginfo = seg_info (seg);
+ if (seginfo && seginfo->frchainP == frcP)
+ seginfo->frchainP = newP;
frcP = newP;
}
@@ -329,73 +224,6 @@ subseg_set_rest (segT seg, subsegT subseg)
* Frchain_root updated if needed.
*/
-#ifndef BFD_ASSEMBLER
-
-segT
-subseg_new (segname, subseg)
- const char *segname;
- subsegT subseg;
-{
- int i;
-
- for (i = 0; i < (int) SEG_MAXIMUM_ORDINAL; i++)
- {
- const char *s;
-
- s = segment_name ((segT) i);
- if (strcmp (segname, s) == 0
- || (segname[0] == '.'
- && strcmp (segname + 1, s) == 0))
- {
- subseg_set ((segT) i, subseg);
- return (segT) i;
- }
-#ifdef obj_segment_name
- s = obj_segment_name ((segT) i);
- if (strcmp (segname, s) == 0
- || (segname[0] == '.'
- && strcmp (segname + 1, s) == 0))
- {
- subseg_set ((segT) i, subseg);
- return (segT) i;
- }
-#endif
- }
-
-#ifdef obj_add_segment
- {
- segT new_seg;
- new_seg = obj_add_segment (segname);
- subseg_set (new_seg, subseg);
- return new_seg;
- }
-#else
- as_bad (_("attempt to switch to nonexistent segment \"%s\""), segname);
- return now_seg;
-#endif
-}
-
-void
-subseg_set (seg, subseg) /* begin assembly for a new sub-segment */
- register segT seg; /* SEG_DATA or SEG_TEXT */
- register subsegT subseg;
-{
-#ifndef MANY_SEGMENTS
- know (seg == SEG_DATA
- || seg == SEG_TEXT
- || seg == SEG_BSS
- || seg == SEG_ABSOLUTE);
-#endif
-
- if (seg != now_seg || subseg != now_subseg)
- { /* we just changed sub-segments */
- subseg_set_rest (seg, subseg);
- }
- mri_common_symbol = NULL;
-}
-
-#else /* BFD_ASSEMBLER */
-
segT
subseg_get (const char *segname, int force_new)
{
@@ -550,49 +378,12 @@ section_symbol (segT sec)
return s;
}
-#endif /* BFD_ASSEMBLER */
-
/* Return whether the specified segment is thought to hold text. */
-#ifndef BFD_ASSEMBLER
-const char * const nontext_section_names[] = {
- ".eh_frame",
- ".gcc_except_table",
-#ifdef OBJ_COFF
-#ifndef COFF_LONG_SECTION_NAMES
- ".eh_fram",
- ".gcc_exc",
-#endif
-#endif
- NULL
-};
-#endif /* ! BFD_ASSEMBLER */
-
int
subseg_text_p (segT sec)
{
-#ifdef BFD_ASSEMBLER
return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
-#else /* ! BFD_ASSEMBLER */
- const char * const *p;
-
- if (sec == data_section || sec == bss_section || sec == absolute_section)
- return 0;
-
- for (p = nontext_section_names; *p != NULL; ++p)
- {
- if (strcmp (segment_name (sec), *p) == 0)
- return 0;
-
-#ifdef obj_segment_name
- if (strcmp (obj_segment_name (sec), *p) == 0)
- return 0;
-#endif
- }
-
- return 1;
-
-#endif /* ! BFD_ASSEMBLER */
}
/* Return non zero if SEC has at least one byte of data. It is