1999-05-03 15:29:11 +08:00
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/* subsegs.c - subsegments -
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2019-01-01 18:31:27 +08:00
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Copyright (C) 1987-2019 Free Software Foundation, Inc.
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1999-05-03 15:29:11 +08:00
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 19:01:12 +08:00
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the Free Software Foundation; either version 3, or (at your option)
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1999-05-03 15:29:11 +08:00
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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2005-05-05 17:13:19 +08:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-05-03 15:29:11 +08:00
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2000-11-07 09:18:45 +08:00
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/* Segments & sub-segments. */
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1999-05-03 15:29:11 +08:00
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#include "as.h"
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#include "subsegs.h"
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#include "obstack.h"
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2006-05-04 07:52:15 +08:00
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frchainS *frchain_now;
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1999-05-03 15:29:11 +08:00
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static struct obstack frchains;
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static fragS dummy_frag;
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void
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2003-12-03 11:39:58 +08:00
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subsegs_begin (void)
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1999-05-03 15:29:11 +08:00
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{
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obstack_begin (&frchains, chunksize);
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#if __GNUC__ >= 2
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obstack_alignment_mask (&frchains) = __alignof__ (frchainS) - 1;
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#endif
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2000-09-12 11:56:22 +08:00
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frchain_now = NULL; /* Warn new_subseg() that we are booting. */
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1999-05-03 15:29:11 +08:00
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frag_now = &dummy_frag;
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}
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/*
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* subseg_change()
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*
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* Change the subsegment we are in, BUT DO NOT MAKE A NEW FRAG for the
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* subsegment. If we are already in the correct subsegment, change nothing.
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* This is used eg as a worker for subseg_set [which does make a new frag_now]
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* and for changing segments after we have read the source. We construct eg
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* fixSs even after the source file is read, so we do have to keep the
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* segment context correct.
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*/
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void
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Don't use register keyword
* expr.c (expr_symbol_where): Don't use register keyword.
* app.c (app_push, app_pop, do_scrub_chars): Likewise.
* ecoff.c (add_string, add_ecoff_symbol, add_aux_sym_symint,
add_aux_sym_rndx, add_aux_sym_tir, add_procedure, add_file,
ecoff_build_lineno, ecoff_setup_ext, allocate_cluster.
allocate_scope, allocate_vlinks, allocate_shash,
allocate_thash, allocate_tag, allocate_forward, allocate_thead,
allocate_lineno_list): Likewise.
* frags.c (frag_more, frag_var, frag_variant, frag_wane): Likewise.
* input-file.c (input_file_push, input_file_pop): Likewise.
* input-scrub.c (input_scrub_push, input_scrub_next_buffer): Likewise.
* subsegs.c (subseg_change): Likewise.
* symbols.c (colon, symbol_table_insert, symbol_find_or_make)
(dollar_label_name, fb_label_name): Likewise.
* write.c (relax_align): Likewise.
* config/tc-alpha.c (s_alpha_pdesc): Likewise.
* config/tc-bfin.c (bfin_s_bss): Likewise.
* config/tc-i860.c (md_estimate_size_before_relax): Likewise.
* config/tc-m68hc11.c (md_convert_frag): Likewise.
* config/tc-m68k.c (m68k_ip, crack_operand): Likewise.
(md_convert_frag_1, s_even): Likewise.
* config/tc-mips.c (mips_clear_insn_labels): Likewise.
* config/tc-mn10200.c (md_begin): Likewise.
* config/tc-s390.c (s390_setup_opcodes, md_begin): Likewise.
* config/tc-sh.c (sh_elf_cons): Likewise.
* config/tc-tic4x.c (tic4x_cons, tic4x_stringer): Likewise.
* config/m68k-parse.y (m68k_reg_parse): Likewise. Convert from K&R.
(yylex, m68k_ip_op, yyerror): Convert from K&R.
2014-11-04 13:01:09 +08:00
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subseg_change (segT seg, int subseg)
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1999-05-03 15:29:11 +08:00
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{
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2006-05-04 07:52:15 +08:00
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segment_info_type *seginfo = seg_info (seg);
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1999-05-03 15:29:11 +08:00
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now_seg = seg;
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now_subseg = subseg;
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* 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.
2005-08-11 09:25:29 +08:00
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if (! seginfo)
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1999-05-03 15:29:11 +08:00
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{
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2016-04-07 04:26:46 +08:00
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seginfo = XCNEW (segment_info_type);
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* 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.
2005-08-11 09:25:29 +08:00
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seginfo->bfd_section = seg;
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2007-02-16 11:40:17 +08:00
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bfd_set_section_userdata (stdoutput, seg, seginfo);
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1999-05-03 15:29:11 +08:00
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}
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}
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static void
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2003-12-03 11:39:58 +08:00
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subseg_set_rest (segT seg, subsegT subseg)
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1999-05-03 15:29:11 +08:00
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{
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2006-05-04 07:52:15 +08:00
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frchainS *frcP; /* crawl frchain chain */
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frchainS **lastPP; /* address of last pointer */
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1999-05-03 15:29:11 +08:00
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frchainS *newP; /* address of new frchain */
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2006-05-04 07:52:15 +08:00
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segment_info_type *seginfo;
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1999-05-03 15:29:11 +08:00
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mri_common_symbol = NULL;
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if (frag_now && frchain_now)
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frchain_now->frch_frag_now = frag_now;
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* gas/app, gas/as.c, gas/as.h, gas/atof-generic.c, gas/cgen.c,
gas/config/atof-ieee.c, gas/config/obj-aout.c,
gas/config/obj-coff.c, gas/config/obj-ecoff.c,
gas/config/obj-elf.c, gas/config/obj-som.c, gas/config/tc-alpha.c,
gas/config/tc-arc.c, gas/config/tc-arm.c, gas/config/tc-cr16.c,
gas/config/tc-cris.c, gas/config/tc-crx.c, gas/config/tc-d30v.c,
gas/config/tc-dlx.c, gas/config/tc-hppa.c, gas/config/tc-i370.c,
gas/config/tc-i386-intel.c, gas/config/tc-i386.c,
gas/config/tc-i860.c, gas/config/tc-i960.c, gas/config/tc-ia64.c,
gas/config/tc-iq2000.c, gas/config/tc-m32c.c,
gas/config/tc-m32r.c, gas/config/tc-m68hc11.c,
gas/config/tc-m68k.c, gas/config/tc-maxq.c, gas/config/tc-mcore.c,
gas/config/tc-mep.c, gas/config/tc-mips.c, gas/config/tc-mmix.c,
gas/config/tc-mn10300.c, gas/config/tc-moxie.c,
gas/config/tc-ns32k.c, gas/config/tc-pj.c, gas/config/tc-ppc.c,
gas/config/tc-s390.c, gas/config/tc-score.c,
gas/config/tc-score7.c, gas/config/tc-sh.c, gas/config/tc-sparc.c,
gas/config/tc-spu.c, gas/config/tc-tic30.c, gas/config/tc-vax.c,
gas/config/tc-xtensa.c, gas/config/xtensa-relax.c,
gas/dw2gencfi.c, gas/dwarf2dbg.c, gas/ehopt.c, gas/expr.c,
gas/frags.c, gas/input-file.c, gas/read.c, gas/sb.c,
gas/subsegs.c, gas/symbols.c, gas/write.c: Change the name of the
gas macro `assert' to `gas_assert'.
2009-06-23 01:56:02 +08:00
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gas_assert (frchain_now == 0
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1999-05-03 15:29:11 +08:00
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|| frchain_now->frch_last == frag_now);
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subseg_change (seg, (int) subseg);
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2006-05-04 07:52:15 +08:00
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seginfo = seg_info (seg);
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1999-05-03 15:29:11 +08:00
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2006-05-04 07:52:15 +08:00
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/* Attempt to find or make a frchain for that subsection.
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We keep the list sorted by subsection number. */
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for (frcP = *(lastPP = &seginfo->frchainP);
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frcP != NULL;
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1999-05-03 15:29:11 +08:00
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frcP = *(lastPP = &frcP->frch_next))
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2006-05-04 07:52:15 +08:00
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if (frcP->frch_subseg >= subseg)
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break;
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|
|
if (frcP == NULL || frcP->frch_subseg != subseg)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2006-05-04 07:52:15 +08:00
|
|
|
|
/* This should be the only code that creates a frchainS. */
|
* 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.
2005-08-11 09:25:29 +08:00
|
|
|
|
|
2009-09-11 23:27:38 +08:00
|
|
|
|
newP = (frchainS *) obstack_alloc (&frchains, sizeof (frchainS));
|
1999-05-03 15:29:11 +08:00
|
|
|
|
newP->frch_subseg = subseg;
|
|
|
|
|
newP->fix_root = NULL;
|
|
|
|
|
newP->fix_tail = NULL;
|
|
|
|
|
obstack_begin (&newP->frch_obstack, chunksize);
|
|
|
|
|
#if __GNUC__ >= 2
|
|
|
|
|
obstack_alignment_mask (&newP->frch_obstack) = __alignof__ (fragS) - 1;
|
|
|
|
|
#endif
|
|
|
|
|
newP->frch_frag_now = frag_alloc (&newP->frch_obstack);
|
|
|
|
|
newP->frch_frag_now->fr_type = rs_fill;
|
2006-12-03 00:24:37 +08:00
|
|
|
|
newP->frch_cfi_data = NULL;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
newP->frch_root = newP->frch_last = newP->frch_frag_now;
|
|
|
|
|
|
|
|
|
|
*lastPP = newP;
|
2006-05-04 07:52:15 +08:00
|
|
|
|
newP->frch_next = frcP;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
frcP = newP;
|
|
|
|
|
}
|
2006-05-04 07:52:15 +08:00
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
frchain_now = frcP;
|
|
|
|
|
frag_now = frcP->frch_frag_now;
|
|
|
|
|
|
* gas/app, gas/as.c, gas/as.h, gas/atof-generic.c, gas/cgen.c,
gas/config/atof-ieee.c, gas/config/obj-aout.c,
gas/config/obj-coff.c, gas/config/obj-ecoff.c,
gas/config/obj-elf.c, gas/config/obj-som.c, gas/config/tc-alpha.c,
gas/config/tc-arc.c, gas/config/tc-arm.c, gas/config/tc-cr16.c,
gas/config/tc-cris.c, gas/config/tc-crx.c, gas/config/tc-d30v.c,
gas/config/tc-dlx.c, gas/config/tc-hppa.c, gas/config/tc-i370.c,
gas/config/tc-i386-intel.c, gas/config/tc-i386.c,
gas/config/tc-i860.c, gas/config/tc-i960.c, gas/config/tc-ia64.c,
gas/config/tc-iq2000.c, gas/config/tc-m32c.c,
gas/config/tc-m32r.c, gas/config/tc-m68hc11.c,
gas/config/tc-m68k.c, gas/config/tc-maxq.c, gas/config/tc-mcore.c,
gas/config/tc-mep.c, gas/config/tc-mips.c, gas/config/tc-mmix.c,
gas/config/tc-mn10300.c, gas/config/tc-moxie.c,
gas/config/tc-ns32k.c, gas/config/tc-pj.c, gas/config/tc-ppc.c,
gas/config/tc-s390.c, gas/config/tc-score.c,
gas/config/tc-score7.c, gas/config/tc-sh.c, gas/config/tc-sparc.c,
gas/config/tc-spu.c, gas/config/tc-tic30.c, gas/config/tc-vax.c,
gas/config/tc-xtensa.c, gas/config/xtensa-relax.c,
gas/dw2gencfi.c, gas/dwarf2dbg.c, gas/ehopt.c, gas/expr.c,
gas/frags.c, gas/input-file.c, gas/read.c, gas/sb.c,
gas/subsegs.c, gas/symbols.c, gas/write.c: Change the name of the
gas macro `assert' to `gas_assert'.
2009-06-23 01:56:02 +08:00
|
|
|
|
gas_assert (frchain_now->frch_last == frag_now);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* subseg_set(segT, subsegT)
|
|
|
|
|
*
|
|
|
|
|
* If you attempt to change to the current subsegment, nothing happens.
|
|
|
|
|
*
|
|
|
|
|
* In: segT, subsegT code for new subsegment.
|
|
|
|
|
* frag_now -> incomplete frag for current subsegment.
|
|
|
|
|
* If frag_now==NULL, then there is no old, incomplete frag, so
|
|
|
|
|
* the old frag is not closed off.
|
|
|
|
|
*
|
|
|
|
|
* Out: now_subseg, now_seg updated.
|
|
|
|
|
* Frchain_now points to the (possibly new) struct frchain for this
|
|
|
|
|
* sub-segment.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
segT
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subseg_get (const char *segname, int force_new)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
segT secptr;
|
|
|
|
|
segment_info_type *seginfo;
|
|
|
|
|
const char *now_seg_name = (now_seg
|
|
|
|
|
? bfd_get_section_name (stdoutput, now_seg)
|
|
|
|
|
: 0);
|
|
|
|
|
|
|
|
|
|
if (!force_new
|
|
|
|
|
&& now_seg_name
|
|
|
|
|
&& (now_seg_name == segname
|
|
|
|
|
|| !strcmp (now_seg_name, segname)))
|
|
|
|
|
return now_seg;
|
|
|
|
|
|
|
|
|
|
if (!force_new)
|
|
|
|
|
secptr = bfd_make_section_old_way (stdoutput, segname);
|
|
|
|
|
else
|
|
|
|
|
secptr = bfd_make_section_anyway (stdoutput, segname);
|
|
|
|
|
|
|
|
|
|
seginfo = seg_info (secptr);
|
|
|
|
|
if (! seginfo)
|
|
|
|
|
{
|
2006-05-04 07:52:15 +08:00
|
|
|
|
secptr->output_section = secptr;
|
2016-04-07 04:26:46 +08:00
|
|
|
|
seginfo = XCNEW (segment_info_type);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
seginfo->bfd_section = secptr;
|
2007-02-16 11:40:17 +08:00
|
|
|
|
bfd_set_section_userdata (stdoutput, secptr, seginfo);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
return secptr;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
segT
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subseg_new (const char *segname, subsegT subseg)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
segT secptr;
|
|
|
|
|
|
|
|
|
|
secptr = subseg_get (segname, 0);
|
|
|
|
|
subseg_set_rest (secptr, subseg);
|
|
|
|
|
return secptr;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Like subseg_new, except a new section is always created, even if
|
|
|
|
|
a section with that name already exists. */
|
|
|
|
|
segT
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subseg_force_new (const char *segname, subsegT subseg)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
segT secptr;
|
|
|
|
|
|
|
|
|
|
secptr = subseg_get (segname, 1);
|
|
|
|
|
subseg_set_rest (secptr, subseg);
|
|
|
|
|
return secptr;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subseg_set (segT secptr, subsegT subseg)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
if (! (secptr == now_seg && subseg == now_subseg))
|
|
|
|
|
subseg_set_rest (secptr, subseg);
|
|
|
|
|
mri_common_symbol = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifndef obj_sec_sym_ok_for_reloc
|
|
|
|
|
#define obj_sec_sym_ok_for_reloc(SEC) 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
symbolS *
|
2003-12-03 11:39:58 +08:00
|
|
|
|
section_symbol (segT sec)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
segment_info_type *seginfo = seg_info (sec);
|
|
|
|
|
symbolS *s;
|
|
|
|
|
|
|
|
|
|
if (seginfo == 0)
|
|
|
|
|
abort ();
|
|
|
|
|
if (seginfo->sym)
|
|
|
|
|
return seginfo->sym;
|
|
|
|
|
|
|
|
|
|
#ifndef EMIT_SECTION_SYMBOLS
|
|
|
|
|
#define EMIT_SECTION_SYMBOLS 1
|
|
|
|
|
#endif
|
|
|
|
|
|
2002-09-05 08:01:18 +08:00
|
|
|
|
if (! EMIT_SECTION_SYMBOLS || symbol_table_frozen)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
/* Here we know it won't be going into the symbol table. */
|
2002-12-08 11:47:57 +08:00
|
|
|
|
s = symbol_create (sec->symbol->name, sec, 0, &zero_address_frag);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2004-07-20 03:15:43 +08:00
|
|
|
|
segT seg;
|
2005-04-19 23:05:09 +08:00
|
|
|
|
s = symbol_find (sec->symbol->name);
|
2004-05-11 23:53:47 +08:00
|
|
|
|
/* We have to make sure it is the right symbol when we
|
|
|
|
|
have multiple sections with the same section name. */
|
2004-07-20 03:15:43 +08:00
|
|
|
|
if (s == NULL
|
|
|
|
|
|| ((seg = S_GET_SEGMENT (s)) != sec
|
|
|
|
|
&& seg != undefined_section))
|
2002-12-08 11:47:57 +08:00
|
|
|
|
s = symbol_new (sec->symbol->name, sec, 0, &zero_address_frag);
|
2004-07-20 03:15:43 +08:00
|
|
|
|
else if (seg == undefined_section)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2004-07-20 03:15:43 +08:00
|
|
|
|
S_SET_SEGMENT (s, sec);
|
|
|
|
|
symbol_set_frag (s, &zero_address_frag);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
S_CLEAR_EXTERNAL (s);
|
|
|
|
|
|
|
|
|
|
/* Use the BFD section symbol, if possible. */
|
|
|
|
|
if (obj_sec_sym_ok_for_reloc (sec))
|
Add support for storing local symbols in a small structure to save
memory when assembling large files.
* as.h: Don't include struc-symbol.h.
(symbolS): Add typedef.
* symbols.c: Include struc-symbol.h.
(local_hash): New static variable.
(save_symbol_name): New static function, from symbol_create.
(symbol_create): Call save_symbol_name.
(local_symbol_count): New static variable.
(local_symbol_conversion_count): Likewise.
(LOCAL_SYMBOL_CHECK): Define.
(local_symbol_make): New static function.
(local_symbol_convert): New static function.
(colon): Handle local symbols. Create local symbol for local
label name.
(symbol_table_insert): Handle local symbols.
(symbol_find_or_make): Create local symbol for local label name.
(symbol_find_base): Check for local symbol.
(symbol_append, symbol_insert): Check for local symbols.
(symbol_clear_list_pointers, symbol_remove): Likewise.
(verify_symbol_chain): Likewise.
(copy_symbol_attributes): Likewise.
(resolve_symbol_value): Handle local symbols.
(resolve_local_symbol): New static function.
(resolve_local_symbol_values): New function.
(S_GET_VALUE, S_SET_VALUE): Handle local symbols.
(S_IS_FUNCTION, S_IS_EXTERNAL, S_IS_WEAK, S_IS_COMMON): Likewise.
(S_IS_DEFINED, S_IS_DEBUG, S_IS_LOCAL, S_GET_NAME): Likewise.
(S_GET_SEGMENT, S_SET_SEGMENT, S_SET_EXTERNAL): Likewise.
(S_CLEAR_EXTERNAL, S_SET_WEAK, S_SET_NAME): Likewise.
(symbol_previous, symbol_next): New functions.
(symbol_get_value_expression): Likewise.
(symbol_set_value_expression): Likewise.
(symbol_set_frag, symbol_get_frag): Likewise.
(symbol_mark_used, symbol_clear_used, symbol_used_p): Likewise.
(symbol_mark_used_in_reloc): Likewise.
(symbol_clear_used_in_reloc, symbol_used_in_reloc_p): Likewise.
(symbol_mark_mri_common, symbol_clear_mri_common): Likewise.
(symbol_mri_common_p): Likewise.
(symbol_mark_written, symbol_clear_written): Likewise.
(symbol_written_p): Likewise.
(symbol_mark_resolved, symbol_resolved_p): Likewise.
(symbol_section_p, symbol_equated_p): Likewise.
(symbol_constant_p): Likewise.
(symbol_get_bfdsym, symbol_set_bfdsym): Likewise.
(symbol_get_obj, symbol_set_obj): Likewise.
(symbol_get_tc, symbol_set_tc): Likewise.
(symbol_begin): Initialize local_hash.
(print_symbol_value_1): Handle local symbols.
(symbol_print_statistics): Print local symbol statistics.
* symbols.h: Include "struc-symbol.h" if not BFD_ASSEMBLER.
Declare new symbols.c functions. Move many declarations here from
struc-symbol.h.
(SYMBOLS_NEED_BACKPOINTERS): Define if needed.
* struc-symbol.h (SYMBOLS_NEED_BACKPOINTERS): Don't set.
(struct symbol): Move bsym to make it clearly the first field.
Remove TARGET_SYMBOL_FIELDS.
(symbolS): Don't typedef.
(struct broken_word): Remove.
(N_TYPE_seg, seg_N_TYPE): Move to symbol.h.
(SEGMENT_TO_SYMBOL_TYPE, N_REGISTER): Likewise.
(symbol_clear_list_pointers): Likewise.
(symbol_insert, symbol_remove): Likewise.
(symbol_previous, symbol_append): Likewise.
(verify_symbol_chain, verify_symbol_chain_2): Likewise.
(struct local_symbol): Define.
(local_symbol_converted_p, local_symbol_mark_converted): Define.
(local_symbol_resolved_p, local_symbol_mark_resolved): Define.
(local_symbol_get_frag, local_symbol_set_frag): Define.
(local_symbol_get_real_symbol): Define.
(local_symbol_set_real_symbol): Define.
Define.
* write.c (write_object_file): Call resolve_local_symbol_values.
* config/obj-ecoff.h (OBJ_SYMFIELD_TYPE): Define.
(TARGET_SYMBOL_FIELDS): Don't define.
* config/obj-elf.h (OBJ_SYMFIELD_TYPE): Add local field. If
ECOFF_DEBUGGING, add ECOFF fields.
(ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define.
* config/obj-multi.h (struct elf_obj_sy): Add local field. If
ECOFF_DEBUGGING, add ECOFF fields.
(ELF_TARGET_SYMBOL_FIELDS, TARGET_SYMBOL_FIELDS): Don't define.
(ECOFF_DEBUG_TARGET_SYMBOL_FIELDS): Don't define.
* config/tc-mcore.h: Don't include struc-symbol.h.
(TARGET_SYMBOL_FIELDS): Don't define.
(struct mcore_tc_sy): Define.
(TC_SYMFIELD_TYPE): Define.
* Many files: Use symbolS instead of struct symbol. Use new
accessor functions rather than referring to symbolS fields
directly.
* read.c (s_mri_common): Don't add in value of line_label.
* config/tc-mips.c (md_apply_fix): Correct parenthesization when
checking for SEC_LINK_ONCE.
* config/tc-sh.h (sh_fix_adjustable): Declare.
1999-06-03 08:29:48 +08:00
|
|
|
|
symbol_set_bfdsym (s, sec->symbol);
|
2002-09-05 08:01:18 +08:00
|
|
|
|
else
|
|
|
|
|
symbol_get_bfdsym (s)->flags |= BSF_SECTION_SYM;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
|
seginfo->sym = s;
|
|
|
|
|
return s;
|
|
|
|
|
}
|
|
|
|
|
|
1999-06-13 00:49:51 +08:00
|
|
|
|
/* Return whether the specified segment is thought to hold text. */
|
|
|
|
|
|
|
|
|
|
int
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subseg_text_p (segT sec)
|
1999-06-13 00:49:51 +08:00
|
|
|
|
{
|
|
|
|
|
return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-01-28 00:33:47 +08:00
|
|
|
|
/* Return non zero if SEC has at least one byte of data. It is
|
|
|
|
|
possible that we'll return zero even on a non-empty section because
|
|
|
|
|
we don't know all the fragment types, and it is possible that an
|
|
|
|
|
fr_fix == 0 one still contributes data. Think of this as
|
|
|
|
|
seg_definitely_not_empty_p. */
|
|
|
|
|
|
2005-02-08 01:53:26 +08:00
|
|
|
|
int
|
2005-02-17 21:46:05 +08:00
|
|
|
|
seg_not_empty_p (segT sec ATTRIBUTE_UNUSED)
|
2005-01-28 00:33:47 +08:00
|
|
|
|
{
|
|
|
|
|
segment_info_type *seginfo = seg_info (sec);
|
|
|
|
|
frchainS *chain;
|
|
|
|
|
fragS *frag;
|
|
|
|
|
|
|
|
|
|
if (!seginfo)
|
|
|
|
|
return 0;
|
2013-01-11 03:51:55 +08:00
|
|
|
|
|
2005-01-28 00:33:47 +08:00
|
|
|
|
for (chain = seginfo->frchainP; chain; chain = chain->frch_next)
|
|
|
|
|
{
|
|
|
|
|
for (frag = chain->frch_root; frag; frag = frag->fr_next)
|
|
|
|
|
if (frag->fr_fix)
|
|
|
|
|
return 1;
|
|
|
|
|
if (obstack_next_free (&chain->frch_obstack)
|
|
|
|
|
!= chain->frch_last->fr_literal)
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
void
|
2003-12-03 11:39:58 +08:00
|
|
|
|
subsegs_print_statistics (FILE *file)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
|
|
|
|
frchainS *frchp;
|
2006-05-04 07:52:15 +08:00
|
|
|
|
asection *s;
|
|
|
|
|
|
2016-12-01 23:02:45 +08:00
|
|
|
|
/* PR 20897 - check to see if the output bfd was actually created. */
|
|
|
|
|
if (stdoutput == NULL)
|
|
|
|
|
return;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
|
fprintf (file, "frag chains:\n");
|
2006-05-04 07:52:15 +08:00
|
|
|
|
for (s = stdoutput->sections; s; s = s->next)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2006-05-04 07:52:15 +08:00
|
|
|
|
segment_info_type *seginfo;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
2006-05-04 07:52:15 +08:00
|
|
|
|
/* Skip gas-internal sections. */
|
|
|
|
|
if (segment_name (s)[0] == '*')
|
1999-05-03 15:29:11 +08:00
|
|
|
|
continue;
|
|
|
|
|
|
2006-05-04 07:52:15 +08:00
|
|
|
|
seginfo = seg_info (s);
|
|
|
|
|
if (!seginfo)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
continue;
|
|
|
|
|
|
2006-05-04 07:52:15 +08:00
|
|
|
|
for (frchp = seginfo->frchainP; frchp; frchp = frchp->frch_next)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
{
|
2006-05-04 07:52:15 +08:00
|
|
|
|
int count = 0;
|
|
|
|
|
fragS *fragp;
|
|
|
|
|
|
|
|
|
|
for (fragp = frchp->frch_root; fragp; fragp = fragp->fr_next)
|
|
|
|
|
count++;
|
|
|
|
|
|
|
|
|
|
fprintf (file, "\n");
|
|
|
|
|
fprintf (file, "\t%p %-10s\t%10d frags\n", (void *) frchp,
|
|
|
|
|
segment_name (s), count);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* end of subsegs.c */
|