gcc/libgcc/unwind-dw2-fde.h

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/* Subroutines needed for unwinding stack frames for exception handling. */
/* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009
Free Software Foundation, Inc.
Contributed by Jason Merrill <jason@cygnus.com>.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
This file is part of GCC.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
version.
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_UNWIND_DW2_FDE_H
#define GCC_UNWIND_DW2_FDE_H
#ifndef HIDE_EXPORTS
#pragma GCC visibility push(default)
#endif
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
struct fde_vector
{
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const void *orig_data;
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
size_t count;
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const struct dwarf_fde *array[];
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
};
struct object
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
{
void *pc_begin;
void *tbase;
void *dbase;
union {
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
const struct dwarf_fde *single;
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
struct dwarf_fde **array;
struct fde_vector *sort;
} u;
union {
struct {
unsigned long sorted : 1;
unsigned long from_array : 1;
unsigned long mixed_encoding : 1;
unsigned long encoding : 8;
/* ??? Wish there was an easy way to detect a 64-bit host here;
we've got 32 bits left to play with... */
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
unsigned long count : 21;
} b;
size_t i;
} s;
#ifdef DWARF2_OBJECT_END_PTR_EXTENSION
char *fde_end;
#endif
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
struct object *next;
};
/* This is the original definition of struct object. While the struct
itself was opaque to users, they did know how large it was, and
allocate one statically in crtbegin for each DSO. Keep this around
so that we're aware of the static size limitations for the new struct. */
struct old_object
{
void *pc_begin;
void *pc_end;
struct dwarf_fde *fde_begin;
struct dwarf_fde **fde_array;
size_t count;
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
struct old_object *next;
};
struct dwarf_eh_bases
{
void *tbase;
void *dbase;
void *func;
};
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
extern void __register_frame_info_bases (const void *, struct object *,
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
void *, void *);
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
extern void __register_frame_info (const void *, struct object *);
extern void __register_frame (void *);
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
extern void __register_frame_info_table_bases (void *, struct object *,
void *, void *);
extern void __register_frame_info_table (void *, struct object *);
extern void __register_frame_table (void *);
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
extern void *__deregister_frame_info (const void *);
extern void *__deregister_frame_info_bases (const void *);
extern void __deregister_frame (void *);
typedef int sword __attribute__ ((mode (SI)));
typedef unsigned int uword __attribute__ ((mode (SI)));
typedef unsigned int uaddr __attribute__ ((mode (pointer)));
typedef int saddr __attribute__ ((mode (pointer)));
typedef unsigned char ubyte;
/* Terminology:
CIE - Common Information Element
FDE - Frame Descriptor Element
There is one per function, and it describes where the function code
is located, and what the register lifetimes and stack layout are
within the function.
The data structures are defined in the DWARF specification, although
not in a very readable way (see LITERATURE).
Every time an exception is thrown, the code needs to locate the FDE
for the current function, and starts to look for exception regions
from that FDE. This works in a two-level search:
a) in a linear search, find the shared image (i.e. DLL) containing
the PC
b) using the FDE table for that shared object, locate the FDE using
binary search (which requires the sorting). */
/* The first few fields of a CIE. The CIE_id field is 0 for a CIE,
to distinguish it from a valid FDE. FDEs are aligned to an addressing
unit boundary, but the fields within are unaligned. */
struct dwarf_cie
{
uword length;
sword CIE_id;
ubyte version;
unsigned char augmentation[];
} __attribute__ ((packed, aligned (__alignof__ (void *))));
/* The first few fields of an FDE. */
struct dwarf_fde
{
uword length;
sword CIE_delta;
except.c (eh_data_format_name): Move to ... * except.c (eh_data_format_name): Move to ... * dwarf2asm.c: ... here. Use designated initializers if available. (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. * dwarf2asm.h: Update declarations. * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind ASM_PREFERRED_EH_DATA_FORMAT. (output_call_frame_info): Likewise. Use 'L' augmentation for the LSDA encoding. * unwind-dw2-fde.h (struct fde_vector): New. (struct old_object): Rename from struct object. (struct object): New. (__register_frame_info_bases): Declare. (__register_frame_info_table_bases): Declare. (struct dwarf_fde): Remove explicit pc_begin/pc_range members. * unwind-dw2-fde.c (objects): Remove. (unseen_objects, seen_objects): New. (__register_frame_info_bases): New. (__register_frame_info): Use it. (__register_frame_info_table_bases): New. (__register_frame_info_table): Use it. (__deregister_frame_info): Rewrite for changed object struct. (base_from_object, get_cie_encoding, get_fde_encoding): New. (fde_unencoded_compare): Rename from fde_compare; uninline. (fde_single_encoding_compare, fde_mixed_encoding_compare): New. (start_fde_sort): Adjust for new definition of fde_vector. (fde_insert): Likewise. (end_fde_sort): Likewise. Select comparison function based on properties of the object. (fde_split): Take object and fde_compare_t arguments. (frame_heapsort, fde_merge): Likewise. (classify_object_over_fdes): Rename from count_fdes. Handle encoded pointers. Collect encoding, mixed_encoding, and pc_begin for the object. (add_fdes): Handle encoded pointers. (init_object): Rename from frame_init. Update for new struct object. (linear_search_fdes): Rename from search_fdes. Handle encoded pointers. (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. (binary_search_single_encoding_fdes): New. (binary_search_mixed_encoding_fdes): New. (search_object): New. (_Unwind_Find_FDE): Update for new struct object. Fill in the dwarf_eh_bases. * unwind-dw2.c: Include unwind-pe.h. Constify all pointers iterating over EH data. (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add fde_encoding, lsda_encoding. (read_uleb128, read_sleb128): Remove. (read_encoded_pointer): Remove. All callers use read_encoded_value. (extract_cie_info): Set lsda_encoding from 'L' augmentation. (uw_frame_state_for): Don't set bases.func. Handle encoded fde pointers. * unwind-pe.h: Add "struct" to _Unwind_Context references. From-SVN: r42176
2001-05-17 00:42:36 +02:00
unsigned char pc_begin[];
} __attribute__ ((packed, aligned (__alignof__ (void *))));
typedef struct dwarf_fde fde;
/* Locate the CIE for a given FDE. */
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
static inline const struct dwarf_cie *
get_cie (const struct dwarf_fde *f)
{
return (const void *)&f->CIE_delta - f->CIE_delta;
}
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
static inline const fde *
next_fde (const fde *f)
{
return (const fde *) ((const char *) f + f->length + sizeof (f->length));
}
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
extern const fde * _Unwind_Find_FDE (void *, struct dwarf_eh_bases *);
static inline int
2003-10-31 Andreas Jaeger <aj@suse.de>, Zack Weinberg <zack@codesourcery.com> * crtstuff.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. * unwind-dw2-fde.h (struct fde_vector): Constify 'orig_data' and 'array' fields. (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments, return values, and casts of type fde *, struct dwarf_fde *, and struct dwarf_cie *. * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases) (__deregister_frame_info, __deregister_frame_info_bases): Constify void * argument. (get_cie_encoding, ): Constify struct dwarf_cie * argument. (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare) (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert) fde_split, SWAP, frame_downheap, frame_heapsort) (classify_object_over_fdes, add_fdes, linear_search_fdes, binary_search_unencoded_fdes, binary_search_single_encoding_fdes, binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE): Constify arguments, local variables, return values, and casts of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *. Use const pointer types in sizeof expressions, for clarity. * unwind-dw2-fde-glibc.c (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value. (struct unw_eh_callback_data): Constify 'ret' field. Co-Authored-By: Zack Weinberg <zack@codesourcery.com> From-SVN: r73155
2003-10-31 21:46:26 +01:00
last_fde (struct object *obj __attribute__ ((__unused__)), const fde *f)
{
#ifdef DWARF2_OBJECT_END_PTR_EXTENSION
return (char *)f == obj->fde_end || f->length == 0;
#else
return f->length == 0;
#endif
}
#ifndef HIDE_EXPORTS
#pragma GCC visibility pop
#endif
#endif /* unwind-dw2-fde.h */