From bf1431e3596b45dc1702fd7be7dbf3f51abda38e Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Thu, 19 Jul 2012 07:29:24 +0000 Subject: eh_personality.cc (__gxx_personality_seh0): New function. libstdc++-v3/ * libsupc++/eh_personality.cc (__gxx_personality_seh0): New function. Adjust for SEH. * config/abi/pre/gnu.ver: Add __gxx_personality_seh0. libobjc/ * exception.c (__gnu_objc_personality_seh0): New function. libjava/ * libgcj.ver: Add __gcj_personality_seh0. * exception.cc (__gcj_personality_seh0): New function. Adjust for SEH. libgcc/ * unwind-seh.c: New file. * unwind-generic.h: Include windows.h for SEH. (_Unwind_Exception): Use 6 private fields for SEH. (_GCC_specific_handler): Declare. * unwind-c.c (__gcc_personality_seh0): New function. Adjust for SEH. * config/i386/libgcc-cygming.ver: New file. * config/i386/t-seh-eh: New file. * config.host (x86_64-*-mingw*): Default to seh. gcc/ * opts.c (finish_options): Handle UI_SEH. * expr.c (build_personality_function): Handle UI_SEH. * dwarf2out.c (dwarf2out_begin_prologue): Handle UI_SEH. * coretypes.h (unwind_info_type): Add UI_SEH. * config/i386/winnt.c (i386_pe_seh_emit_except_personality): New function. (i386_pe_seh_init_sections): Likewise. * config/i386/cygming.h (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): Define. (TARGET_ASM_INIT_SECTIONS): Define. * common/config/i386/i386-common.c (TARGET_EXCEPT_UNWIND_INFO): Define. (i386_except_unwind_info): New function. Co-Authored-By: Richard Henderson From-SVN: r189644 --- gcc/common/config/i386/i386-common.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'gcc/common') diff --git a/gcc/common/config/i386/i386-common.c b/gcc/common/config/i386/i386-common.c index 70b7eb7..1fe04a6 100644 --- a/gcc/common/config/i386/i386-common.c +++ b/gcc/common/config/i386/i386-common.c @@ -667,6 +667,30 @@ ix86_supports_split_stack (bool report ATTRIBUTE_UNUSED, return ret; } +/* Implement TARGET_EXCEPT_UNWIND_INFO. */ + +static enum unwind_info_type +i386_except_unwind_info (struct gcc_options *opts) +{ + /* Honor the --enable-sjlj-exceptions configure switch. */ +#ifdef CONFIG_SJLJ_EXCEPTIONS + if (CONFIG_SJLJ_EXCEPTIONS) + return UI_SJLJ; +#endif + + /* On windows 64, prefer SEH exceptions over anything else. */ + if (TARGET_64BIT && DEFAULT_ABI == MS_ABI && opts->x_flag_unwind_tables) + return UI_SEH; + + if (DWARF2_UNWIND_INFO) + return UI_DWARF2; + + return UI_SJLJ; +} + +#undef TARGET_EXCEPT_UNWIND_INFO +#define TARGET_EXCEPT_UNWIND_INFO i386_except_unwind_info + #undef TARGET_DEFAULT_TARGET_FLAGS #define TARGET_DEFAULT_TARGET_FLAGS \ (TARGET_DEFAULT \ -- cgit v1.1