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binutils-gdb/gas/subsegs.c

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/* subsegs.c - subsegments -
Copyright (C) 1987-2019 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
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/* Segments & sub-segments. */
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#include "as.h"
#include "subsegs.h"
#include "obstack.h"
frchainS *frchain_now;
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static struct obstack frchains;
static fragS dummy_frag;
void
subsegs_begin (void)
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{
obstack_begin (&frchains, chunksize);
#if __GNUC__ >= 2
obstack_alignment_mask (&frchains) = __alignof__ (frchainS) - 1;
#endif
frchain_now = NULL; /* Warn new_subseg() that we are booting. */
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frag_now = &dummy_frag;
}
/*
* subseg_change()
*
* Change the subsegment we are in, BUT DO NOT MAKE A NEW FRAG for the
* subsegment. If we are already in the correct subsegment, change nothing.
* This is used eg as a worker for subseg_set [which does make a new frag_now]
* and for changing segments after we have read the source. We construct eg
* fixSs even after the source file is read, so we do have to keep the
* segment context correct.
*/
void
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.
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subseg_change (segT seg, int subseg)
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{
segment_info_type *seginfo = seg_info (seg);
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now_seg = seg;
now_subseg = subseg;
* 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.
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if (! seginfo)
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{
use XNEW and related macros more Its a bit shorter and simpler than raw xmalloc. gas/ChangeLog: 2016-05-13 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * app.c (app_push): Use XNEW and related macros. * as.c (parse_args): Likewise. * cgen.c (make_right_shifted_expr): Likewise. (gas_cgen_tc_gen_reloc): Likewise. * config/bfin-defs.h: Likewise. * config/bfin-parse.y: Likewise. * config/obj-coff.c (stack_init): Likewise. (stack_push): Likewise. (coff_obj_symbol_new_hook): Likewise. (coff_obj_symbol_clone_hook): Likewise. (add_lineno): Likewise. (coff_frob_symbol): Likewise. * config/obj-elf.c (obj_elf_section_name): Likewise. (build_group_lists): Likewise. * config/obj-evax.c (evax_symbol_new_hook): Likewise. * config/obj-macho.c (obj_mach_o_indirect_symbol): Likewise. * config/tc-aarch64.c (insert_reg_alias): Likewise. (find_or_make_literal_pool): Likewise. (add_to_lit_pool): Likewise. (fill_instruction_hash_table): Likewise. * config/tc-alpha.c (load_expression): Likewise. (emit_jsrjmp): Likewise. (s_alpha_ent): Likewise. (s_alpha_end): Likewise. (s_alpha_linkage): Likewise. (md_begin): Likewise. (tc_gen_reloc): Likewise. * config/tc-arc.c (arc_insert_opcode): Likewise. (arc_extcorereg): Likewise. * config/tc-bfin.c: Likewise. * config/tc-cr16.c: Likewise. * config/tc-cris.c: Likewise. * config/tc-crx.c (preprocess_reglist): Likewise. * config/tc-d10v.c: Likewise. * config/tc-frv.c (frv_insert_vliw_insn): Likewise. (frv_tomcat_shuffle): Likewise. * config/tc-h8300.c: Likewise. * config/tc-i370.c (i370_macro): Likewise. * config/tc-i386.c (lex_got): Likewise. (md_parse_option): Likewise. * config/tc-ia64.c (alloc_record): Likewise. (set_imask): Likewise. (save_prologue_count): Likewise. (dot_proc): Likewise. (dot_endp): Likewise. (ia64_frob_label): Likewise. (add_qp_imply): Likewise. (add_qp_mutex): Likewise. (mark_resource): Likewise. (dot_alias): Likewise. * config/tc-m68hc11.c: Likewise. * config/tc-m68k.c (m68k_frob_label): Likewise. (s_save): Likewise. (mri_control_label): Likewise. (push_mri_control): Likewise. (build_mri_control_operand): Likewise. (s_mri_else): Likewise. (s_mri_break): Likewise. (s_mri_next): Likewise. (s_mri_for): Likewise. (s_mri_endw): Likewise. * config/tc-metag.c (create_mnemonic_htab): Likewise. * config/tc-microblaze.c: Likewise. * config/tc-mmix.c (s_loc): Likewise. * config/tc-nds32.c (nds32_relax_hint): Likewise. * config/tc-nios2.c (nios2_insn_reloc_new): Likewise. * config/tc-rl78.c: Likewise. * config/tc-rx.c (rx_include): Likewise. * config/tc-sh.c: Likewise. * config/tc-sh64.c (shmedia_frob_section_type): Likewise. * config/tc-sparc.c: Likewise. * config/tc-spu.c: Likewise. * config/tc-tic6x.c (static tic6x_unwind_info *tic6x_get_unwind): Likewise. (tic6x_start_unwind_section): Likewise. * config/tc-tilegx.c: Likewise. * config/tc-tilepro.c: Likewise. * config/tc-v850.c: Likewise. * config/tc-visium.c: Likewise. * config/tc-xgate.c: Likewise. * config/tc-xtensa.c (xtensa_translate_old_userreg_ops): Likewise. (new_resource_table): Likewise. (resize_resource_table): Likewise. (xtensa_create_trampoline_frag): Likewise. (xtensa_maybe_create_literal_pool_frag): Likewise. (cache_literal_section): Likewise. * config/xtensa-relax.c (append_transition): Likewise. (append_condition): Likewise. (append_value_condition): Likewise. (append_constant_value_condition): Likewise. (append_literal_op): Likewise. (append_label_op): Likewise. (append_constant_op): Likewise. (append_field_op): Likewise. (append_user_fn_field_op): Likewise. (enter_opname_n): Likewise. (enter_opname): Likewise. (split_string): Likewise. (parse_insn_templ): Likewise. (clone_req_or_option_list): Likewise. (clone_req_option_list): Likewise. (parse_option_cond): Likewise. (parse_insn_pattern): Likewise. (parse_insn_repl): Likewise. (build_transition): Likewise. (build_transition_table): Likewise. * dw2gencfi.c (alloc_fde_entry): Likewise. (alloc_cfi_insn_data): Likewise. (cfi_add_CFA_remember_state): Likewise. (dot_cfi_escape): Likewise. (dot_cfi_fde_data): Likewise. (select_cie_for_fde): Likewise. * dwarf2dbg.c (dwarf2_directive_loc): Likewise. * ecoff.c (ecoff_add_bytes): Likewise. (ecoff_build_debug): Likewise. * input-scrub.c (input_scrub_push): Likewise. (input_scrub_begin): Likewise. (input_scrub_next_buffer): Likewise. * itbl-ops.c (append_insns_as_macros): Likewise. (alloc_entry): Likewise. (alloc_field): Likewise. * listing.c (listing_newline): Likewise. (listing_listing): Likewise. * macro.c (get_any_string): Likewise. (delete_macro): Likewise. * stabs.c (generate_asm_file): Likewise. (stabs_generate_asm_lineno): Likewise. * subsegs.c (subseg_change): Likewise. (subseg_get): Likewise. * symbols.c (define_dollar_label): Likewise. (symbol_relc_make_sym): Likewise. * write.c (write_relocs): Likewise.
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seginfo = XCNEW (segment_info_type);
* 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.
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seginfo->bfd_section = seg;
bfd_set_section_userdata (stdoutput, seg, seginfo);
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}
}
static void
subseg_set_rest (segT seg, subsegT subseg)
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{
frchainS *frcP; /* crawl frchain chain */
frchainS **lastPP; /* address of last pointer */
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frchainS *newP; /* address of new frchain */
segment_info_type *seginfo;
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mri_common_symbol = NULL;
if (frag_now && frchain_now)
frchain_now->frch_frag_now = frag_now;
gas_assert (frchain_now == 0
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|| frchain_now->frch_last == frag_now);
subseg_change (seg, (int) subseg);
seginfo = seg_info (seg);
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/* Attempt to find or make a frchain for that subsection.
We keep the list sorted by subsection number. */
for (frcP = *(lastPP = &seginfo->frchainP);
frcP != NULL;
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frcP = *(lastPP = &frcP->frch_next))
if (frcP->frch_subseg >= subseg)
break;
if (frcP == NULL || frcP->frch_subseg != subseg)
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{
/* 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
* po/bfd.pot: Updated by the Translation project. * po/binutils.pot: Updated by the Translation project. * po/gold.pot: Updated by the Translation project. * po/gold.pot: Updated by the Translation project. * po/gprof.pot: Updated by the Translation project. * po/sv.po: Updated Swedish translation. * po/ld.pot: Updated by the Translation project. * po/fi.po: Updated Finnish translation. * po/ld.pot: Updated by the Translation project. * po/fi.po: Updated Finnish translation. Updated sources to compile cleanly with -Wc++-compat: * basic_blocks.c: Add casts. * cg_dfn.c: Add cast. * corefile.c: Add casts. * gmon_io.c: Add casts. * hist.c: Add cast. * source.c: Add cast. * sym_ids.c (struct match): Moved to top level. Updated soruces in ld/* to compile cleanly with -Wc++-compat: * ld.h (enum endian_enum,enum symbolic_enum,enum dynamic_list_enum): Move to top level. * ldcref.c: Add casts. * ldctor.c: Add casts. * ldexp.c * ldexp.h (enum node_tree_enum,enum phase_enum): Move to top level. * ldlang.c: Add casts. (lang_insert_orphan): Use enum name instead of integer. * ldlang.h (enum statement_enum): Move to top level. * ldmain.c: Add casts. * ldwrite.c: Add casts. * lexsup.c: Add casts. (enum control_enum): Move to top level. * mri.c: Add casts. (mri_draw_tree): Use enum name instead of integer. Updated sources to compile cleanly with -Wc++-compat: * basic_blocks.c: Add casts. * cg_dfn.c: Add cast. * corefile.c: Add casts. * gmon_io.c: Add casts. * hist.c: Add cast. * source.c: Add cast. * sym_ids.c (struct match): Moved to top level. * as.c (main): Call dwarf2_init. * config/obj-elf.c (struct group_list): New field. (build_group_lists): Use hash lookup. (free_section_idx): New function. (elf_frob_file): Adjust. * dwarf2dbg.c (all_segs_hash, last_seg_ptr): New variables. (get_line_subseg): Adjust. (dwarf2_init): New function. * dwarf2dbg.h (dwarf2_init): New declaration.
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newP = (frchainS *) obstack_alloc (&frchains, sizeof (frchainS));
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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;
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newP->frch_cfi_data = NULL;
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newP->frch_root = newP->frch_last = newP->frch_frag_now;
*lastPP = newP;
newP->frch_next = frcP;
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frcP = newP;
}
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frchain_now = frcP;
frag_now = frcP->frch_frag_now;
gas_assert (frchain_now->frch_last == frag_now);
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}
/*
* 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
subseg_get (const char *segname, int force_new)
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{
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)
{
secptr->output_section = secptr;
use XNEW and related macros more Its a bit shorter and simpler than raw xmalloc. gas/ChangeLog: 2016-05-13 Trevor Saunders <tbsaunde+binutils@tbsaunde.org> * app.c (app_push): Use XNEW and related macros. * as.c (parse_args): Likewise. * cgen.c (make_right_shifted_expr): Likewise. (gas_cgen_tc_gen_reloc): Likewise. * config/bfin-defs.h: Likewise. * config/bfin-parse.y: Likewise. * config/obj-coff.c (stack_init): Likewise. (stack_push): Likewise. (coff_obj_symbol_new_hook): Likewise. (coff_obj_symbol_clone_hook): Likewise. (add_lineno): Likewise. (coff_frob_symbol): Likewise. * config/obj-elf.c (obj_elf_section_name): Likewise. (build_group_lists): Likewise. * config/obj-evax.c (evax_symbol_new_hook): Likewise. * config/obj-macho.c (obj_mach_o_indirect_symbol): Likewise. * config/tc-aarch64.c (insert_reg_alias): Likewise. (find_or_make_literal_pool): Likewise. (add_to_lit_pool): Likewise. (fill_instruction_hash_table): Likewise. * config/tc-alpha.c (load_expression): Likewise. (emit_jsrjmp): Likewise. (s_alpha_ent): Likewise. (s_alpha_end): Likewise. (s_alpha_linkage): Likewise. (md_begin): Likewise. (tc_gen_reloc): Likewise. * config/tc-arc.c (arc_insert_opcode): Likewise. (arc_extcorereg): Likewise. * config/tc-bfin.c: Likewise. * config/tc-cr16.c: Likewise. * config/tc-cris.c: Likewise. * config/tc-crx.c (preprocess_reglist): Likewise. * config/tc-d10v.c: Likewise. * config/tc-frv.c (frv_insert_vliw_insn): Likewise. (frv_tomcat_shuffle): Likewise. * config/tc-h8300.c: Likewise. * config/tc-i370.c (i370_macro): Likewise. * config/tc-i386.c (lex_got): Likewise. (md_parse_option): Likewise. * config/tc-ia64.c (alloc_record): Likewise. (set_imask): Likewise. (save_prologue_count): Likewise. (dot_proc): Likewise. (dot_endp): Likewise. (ia64_frob_label): Likewise. (add_qp_imply): Likewise. (add_qp_mutex): Likewise. (mark_resource): Likewise. (dot_alias): Likewise. * config/tc-m68hc11.c: Likewise. * config/tc-m68k.c (m68k_frob_label): Likewise. (s_save): Likewise. (mri_control_label): Likewise. (push_mri_control): Likewise. (build_mri_control_operand): Likewise. (s_mri_else): Likewise. (s_mri_break): Likewise. (s_mri_next): Likewise. (s_mri_for): Likewise. (s_mri_endw): Likewise. * config/tc-metag.c (create_mnemonic_htab): Likewise. * config/tc-microblaze.c: Likewise. * config/tc-mmix.c (s_loc): Likewise. * config/tc-nds32.c (nds32_relax_hint): Likewise. * config/tc-nios2.c (nios2_insn_reloc_new): Likewise. * config/tc-rl78.c: Likewise. * config/tc-rx.c (rx_include): Likewise. * config/tc-sh.c: Likewise. * config/tc-sh64.c (shmedia_frob_section_type): Likewise. * config/tc-sparc.c: Likewise. * config/tc-spu.c: Likewise. * config/tc-tic6x.c (static tic6x_unwind_info *tic6x_get_unwind): Likewise. (tic6x_start_unwind_section): Likewise. * config/tc-tilegx.c: Likewise. * config/tc-tilepro.c: Likewise. * config/tc-v850.c: Likewise. * config/tc-visium.c: Likewise. * config/tc-xgate.c: Likewise. * config/tc-xtensa.c (xtensa_translate_old_userreg_ops): Likewise. (new_resource_table): Likewise. (resize_resource_table): Likewise. (xtensa_create_trampoline_frag): Likewise. (xtensa_maybe_create_literal_pool_frag): Likewise. (cache_literal_section): Likewise. * config/xtensa-relax.c (append_transition): Likewise. (append_condition): Likewise. (append_value_condition): Likewise. (append_constant_value_condition): Likewise. (append_literal_op): Likewise. (append_label_op): Likewise. (append_constant_op): Likewise. (append_field_op): Likewise. (append_user_fn_field_op): Likewise. (enter_opname_n): Likewise. (enter_opname): Likewise. (split_string): Likewise. (parse_insn_templ): Likewise. (clone_req_or_option_list): Likewise. (clone_req_option_list): Likewise. (parse_option_cond): Likewise. (parse_insn_pattern): Likewise. (parse_insn_repl): Likewise. (build_transition): Likewise. (build_transition_table): Likewise. * dw2gencfi.c (alloc_fde_entry): Likewise. (alloc_cfi_insn_data): Likewise. (cfi_add_CFA_remember_state): Likewise. (dot_cfi_escape): Likewise. (dot_cfi_fde_data): Likewise. (select_cie_for_fde): Likewise. * dwarf2dbg.c (dwarf2_directive_loc): Likewise. * ecoff.c (ecoff_add_bytes): Likewise. (ecoff_build_debug): Likewise. * input-scrub.c (input_scrub_push): Likewise. (input_scrub_begin): Likewise. (input_scrub_next_buffer): Likewise. * itbl-ops.c (append_insns_as_macros): Likewise. (alloc_entry): Likewise. (alloc_field): Likewise. * listing.c (listing_newline): Likewise. (listing_listing): Likewise. * macro.c (get_any_string): Likewise. (delete_macro): Likewise. * stabs.c (generate_asm_file): Likewise. (stabs_generate_asm_lineno): Likewise. * subsegs.c (subseg_change): Likewise. (subseg_get): Likewise. * symbols.c (define_dollar_label): Likewise. (symbol_relc_make_sym): Likewise. * write.c (write_relocs): Likewise.
2016-04-07 04:26:46 +08:00
seginfo = XCNEW (segment_info_type);
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seginfo->bfd_section = secptr;
bfd_set_section_userdata (stdoutput, secptr, seginfo);
1999-05-03 15:29:11 +08:00
}
return secptr;
}
segT
subseg_new (const char *segname, subsegT subseg)
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{
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
subseg_force_new (const char *segname, subsegT subseg)
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{
segT secptr;
secptr = subseg_get (segname, 1);
subseg_set_rest (secptr, subseg);
return secptr;
}
void
subseg_set (segT secptr, subsegT subseg)
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{
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 *
section_symbol (segT sec)
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{
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
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if (! EMIT_SECTION_SYMBOLS || symbol_table_frozen)
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{
/* Here we know it won't be going into the symbol table. */
s = symbol_create (sec->symbol->name, sec, 0, &zero_address_frag);
1999-05-03 15:29:11 +08:00
}
else
{
segT seg;
s = symbol_find (sec->symbol->name);
/* We have to make sure it is the right symbol when we
have multiple sections with the same section name. */
if (s == NULL
|| ((seg = S_GET_SEGMENT (s)) != sec
&& seg != undefined_section))
s = symbol_new (sec->symbol->name, sec, 0, &zero_address_frag);
else if (seg == undefined_section)
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{
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;
}
/* Return whether the specified segment is thought to hold text. */
int
subseg_text_p (segT sec)
{
return (bfd_get_section_flags (stdoutput, sec) & SEC_CODE) != 0;
}
/* 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. */
int
* tc.h (struct relax_type, relax_typeS): Move from here.. * as.h: ..to here. Make rlx_forward and rlx_backward an offsetT. * ecoff.c (ecoff_new_file): Add appfile param. * ecoff.h (ecoff_new_file): Likewise. * itbl-lex.h: New file. * itbl-lex.l: Include itbl-lex.h. * itbl-parse.y: Likewise. (insntbl_line, yyparse, yylex): Move to itbl-lex.h. * read.c (s_app_file_string): Mark appfile possibly unused. * subsegs.c (seg_not_empty_p): Make sec possibly unused. * subsegs.h (struct seg_info_trash): Delete. (seg_info): Use segment_info_type instead. * config/obj-coff.c (struct filename_list): Make filename const char *. * config/obj-ecoff.h (obj_app_file): Pass app to ecoff_new_file. * config/obj-elf.c (elf_file_symbol): Similarly. * config/tc-a29k.c (md_apply_fix3): Make val a valueT. Don't use signed right shift. * config/tc-arc.c (md_operand): Warning fix. * config/tc-arm.c (arm_parse_reloc): Only define when OBJ_ELF. (md_begin): Rearrange #if defined OBJ_COFF || defined OBJ_ELF. * config/tc-cris.h (TC_IMPLICIT_LCOMM_ALIGNMENT): Use do while. * config/tc-frv.c (frv_force_relocation): Warning fix. * config/tc-m68k.c (md_parse_option): Delete unused var. * config/tc-mcore.c (mylog2): Rename from log2 throughout. * config/tc-sparc.c: Likewise. (s_common): Warning fix. * config/tc-mips.c (append_insn): Use unsigned long long expressions. * config/tc-mmix.c (PUSHJSTUB_MAX, PUSHJSTUB_MIN): Define from addressT. * config/tc-s390.c (s390_insn): Delete test of unsigned >= 0. * config/tc-sh.c (sh_cfi_frame_initial_instructions, sh_regname_to_dw2regnum): Only define for OBJ_ELF. * config/tc-tic4x.c (tic4x_insert_reg): Use ISLOWER. (tic4x_do_align): Use TIC_NOP_OPCODE. * config/tc-tic4x.h (TIC_NOP_OPCODE): Rename from NOP_OPCODE. * config/tc-vax.c: Include netinet/in.h. (tc_headers_hook): Formatting. * config/tc-xstormy16.c (md_pcrel_from_section): Correct parens.
2005-02-17 21:46:05 +08:00
seg_not_empty_p (segT sec ATTRIBUTE_UNUSED)
{
segment_info_type *seginfo = seg_info (sec);
frchainS *chain;
fragS *frag;
if (!seginfo)
return 0;
2013-01-11 03:51:55 +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;
}
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void
subsegs_print_statistics (FILE *file)
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{
frchainS *frchp;
asection *s;
/* PR 20897 - check to see if the output bfd was actually created. */
if (stdoutput == NULL)
return;
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fprintf (file, "frag chains:\n");
for (s = stdoutput->sections; s; s = s->next)
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{
segment_info_type *seginfo;
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/* Skip gas-internal sections. */
if (segment_name (s)[0] == '*')
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continue;
seginfo = seg_info (s);
if (!seginfo)
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continue;
for (frchp = seginfo->frchainP; frchp; frchp = frchp->frch_next)
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{
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);
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}
}
}
/* end of subsegs.c */