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ruby/addr2line.h

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add #include guard hack According to MSVC manual (*1), cl.exe can skip including a header file when that: - contains #pragma once, or - starts with #ifndef, or - starts with #if ! defined. GCC has a similar trick (*2), but it acts more stricter (e. g. there must be _no tokens_ outside of #ifndef...#endif). Sun C lacked #pragma once for a looong time. Oracle Developer Studio 12.5 finally implemented it, but we cannot assume such recent version. This changeset modifies header files so that each of them include strictly one #ifndef...#endif. I believe this is the most portable way to trigger compiler optimizations. [Bug #16770] *1: https://docs.microsoft.com/en-us/cpp/preprocessor/once *2: https://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html
2020-04-10 08:11:40 +03:00
#ifndef RUBY_ADDR2LINE_H
#define RUBY_ADDR2LINE_H
* addr2line.c: added to show source filename and line number of functions in backtrace. [ruby-dev:42625] a patch from shinichiro.h <shinichiro.hamaji AT gmail.com> * addr2line.h: ditto. * common.mk: add addr2line.$(OBJEXT). * configure.in: check dl_iterate_phdr. * vm_dump.c (rb_vm_bugreport): use rb_dump_backtrace_with_lines in addr2line.c when the binary is ELF. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-11-26 06:28:50 +03:00
/**********************************************************************
addr2line.h -
$Author$
Copyright (C) 2010 Shinichiro Hamaji
**********************************************************************/
Support Mach-O on backtrace with DWARF git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65202 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-20 09:35:25 +03:00
#if (defined(USE_ELF) || defined(HAVE_MACH_O_LOADER_H))
* addr2line.c: added to show source filename and line number of functions in backtrace. [ruby-dev:42625] a patch from shinichiro.h <shinichiro.hamaji AT gmail.com> * addr2line.h: ditto. * common.mk: add addr2line.$(OBJEXT). * configure.in: check dl_iterate_phdr. * vm_dump.c (rb_vm_bugreport): use rb_dump_backtrace_with_lines in addr2line.c when the binary is ELF. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-11-26 06:28:50 +03:00
void
* addr2line.c (fill_lines): loop reverse order not to overwrite the basis of base addresses comparison. * addr2line.c: use uintptr_t instead of intptr_t for poinrters. * addr2line.c (rb_dump_backtrace_with_lines): don't use syms. * vm_dump.c (rb_print_backtrace): ditto. * addr2line.h: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-03-26 08:30:43 +04:00
rb_dump_backtrace_with_lines(int num_traces, void **traces);
* addr2line.c: added to show source filename and line number of functions in backtrace. [ruby-dev:42625] a patch from shinichiro.h <shinichiro.hamaji AT gmail.com> * addr2line.h: ditto. * common.mk: add addr2line.$(OBJEXT). * configure.in: check dl_iterate_phdr. * vm_dump.c (rb_vm_bugreport): use rb_dump_backtrace_with_lines in addr2line.c when the binary is ELF. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-11-26 06:28:50 +03:00
* addr2line.c: use USE_ELF instead of __ELF__ because Solaris doesn't define it. USE_ELF is already provided by configure. patched by Naohisa Goto. [ruby-dev:44066] [Bug #4998] * addr2line.h: ditto. * vm_dump.c: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32461 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-08 16:23:10 +04:00
#endif /* USE_ELF */
* addr2line.c: added to show source filename and line number of functions in backtrace. [ruby-dev:42625] a patch from shinichiro.h <shinichiro.hamaji AT gmail.com> * addr2line.h: ditto. * common.mk: add addr2line.$(OBJEXT). * configure.in: check dl_iterate_phdr. * vm_dump.c (rb_vm_bugreport): use rb_dump_backtrace_with_lines in addr2line.c when the binary is ELF. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-11-26 06:28:50 +03:00
#endif /* RUBY_ADDR2LINE_H */