diff options
Diffstat (limited to 'gcc/config/i386/cygming.h')
| -rw-r--r-- | gcc/config/i386/cygming.h | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h index bb1a420b1dd..09ea866c0d7 100644 --- a/gcc/config/i386/cygming.h +++ b/gcc/config/i386/cygming.h @@ -33,6 +33,23 @@ along with GCC; see the file COPYING3. If not see #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG #endif +#undef TARGET_SEH +#define TARGET_SEH (TARGET_64BIT_MS_ABI && flag_unwind_tables) + +/* Win64 with SEH cannot represent DRAP stack frames. Disable its use. + Force the use of different mechanisms to allocate aligned local data. */ +#undef MAX_STACK_ALIGNMENT +#define MAX_STACK_ALIGNMENT (TARGET_SEH ? 128 : MAX_OFILE_ALIGNMENT) + +/* Support hooks for SEH. */ +#undef TARGET_ASM_UNWIND_EMIT +#define TARGET_ASM_UNWIND_EMIT i386_pe_seh_unwind_emit +#undef TARGET_ASM_UNWIND_EMIT_BEFORE_INSN +#define TARGET_ASM_UNWIND_EMIT_BEFORE_INSN false +#undef TARGET_ASM_FUNCTION_END_PROLOGUE +#define TARGET_ASM_FUNCTION_END_PROLOGUE i386_pe_seh_end_prologue +#define SUBTARGET_ASM_UNWIND_INIT i386_pe_seh_init + #undef DEFAULT_ABI #define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI) @@ -104,6 +121,8 @@ along with GCC; see the file COPYING3. If not see { \ if (!TARGET_64BIT) \ builtin_define ("_X86_=1"); \ + if (TARGET_SEH) \ + builtin_define ("__SEH__"); \ builtin_assert ("system=winnt"); \ builtin_define ("__stdcall=__attribute__((__stdcall__))"); \ builtin_define ("__fastcall=__attribute__((__fastcall__))"); \ @@ -281,15 +300,12 @@ do { \ properly. If we are generating SDB debugging information, this will happen automatically, so we only need to handle other cases. */ #undef ASM_DECLARE_FUNCTION_NAME -#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ - do \ - { \ - i386_pe_maybe_record_exported_symbol (DECL, NAME, 0); \ - if (write_symbols != SDB_DEBUG) \ - i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \ - ASM_OUTPUT_FUNCTION_LABEL (FILE, NAME, DECL); \ - } \ - while (0) +#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ + i386_pe_start_function (FILE, NAME, DECL) + +#undef ASM_DECLARE_FUNCTION_SIZE +#define ASM_DECLARE_FUNCTION_SIZE(FILE,NAME,DECL) \ + i386_pe_end_function (FILE, NAME, DECL) /* Add an external function to the list of functions to be declared at the end of the file. */ |