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Applied easy part from wilsonk's x86-64 patch in #107
author Christian Kamm <kamm incasoftware de>
date Thu, 30 Oct 2008 11:08:34 +0100
parents 6aaa3d3c1183
children 661384d6a936
comparison
equal deleted inserted replaced
740:96484f5bf5af 741:4ac97ec7c18e
12 // current EH implementation works on x86 12 // current EH implementation works on x86
13 // if it has a working unwind runtime 13 // if it has a working unwind runtime
14 version(X86) { 14 version(X86) {
15 version(linux) version=X86_UNWIND; 15 version(linux) version=X86_UNWIND;
16 version(darwin) version=X86_UNWIND; 16 version(darwin) version=X86_UNWIND;
17 }
18 version(X86_64) {
19 version(linux) version=X86_UNWIND;
17 } 20 }
18 21
19 private extern(C) void abort(); 22 private extern(C) void abort();
20 private extern(C) int printf(char*, ...); 23 private extern(C) int printf(char*, ...);
21 private extern(C) int vprintf(char*, va_list va); 24 private extern(C) int vprintf(char*, va_list va);
166 169
167 // 170 //
168 // x86 unwind specific implementation of personality function 171 // x86 unwind specific implementation of personality function
169 // and helpers 172 // and helpers
170 // 173 //
171 version(X86_UNWIND) 174 version(X86_UNWIND)
172 { 175 {
173 176
174 // the personality routine gets called by the unwind handler and is responsible for 177 // the personality routine gets called by the unwind handler and is responsible for
175 // reading the EH tables and deciding what to do 178 // reading the EH tables and deciding what to do
176 extern(C) _Unwind_Reason_Code _d_eh_personality(int ver, _Unwind_Action actions, ulong exception_class, _Unwind_Exception* exception_info, _Unwind_Context_Ptr context) 179 extern(C) _Unwind_Reason_Code _d_eh_personality(int ver, _Unwind_Action actions, ulong exception_class, _Unwind_Exception* exception_info, _Unwind_Context_Ptr context)
294 } 297 }
295 298
296 // These are the register numbers for SetGR that 299 // These are the register numbers for SetGR that
297 // llvm's eh.exception and eh.selector intrinsics 300 // llvm's eh.exception and eh.selector intrinsics
298 // will pick up. 301 // will pick up.
299 // Found by trial-and-error and probably platform dependent! 302 // Found by trial-and-error :/
300 private int eh_exception_regno = 0; 303 version (X86_64)
301 private int eh_selector_regno = 2; 304 {
305 private int eh_exception_regno = 3;
306 private int eh_selector_regno = 1;
307 } else {
308 private int eh_exception_regno = 0;
309 private int eh_selector_regno = 2;
310 }
302 311
303 private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions, ptrdiff_t switchval, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context) 312 private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions, ptrdiff_t switchval, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
304 { 313 {
305 debug(EH_personality) printf("Found catch clause!\n"); 314 debug(EH_personality) printf("Found catch clause!\n");
306 315