Overview
| Comment: | Don't use _Unwind_Get{Data,Text}RelBase on IA64
DW_EH_PE_datarel can be handled via _Unwind_GetGR on GR 1, while |
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| SHA3-256: |
60ce701c5c37b4e8a886b7caf3553dcf |
| User & Date: | js on 2017-09-06 00:49:10 |
| Other Links: | manifest | tags |
Context
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2017-09-06
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| 00:52 | PLATFORMS.md: Add Itanium to Linux check-in: a7c20c5ca7 user: js tags: trunk | |
| 00:49 | Don't use _Unwind_Get{Data,Text}RelBase on IA64 check-in: 60ce701c5c user: js tags: trunk | |
| 00:40 | Add OF_ITANIUM to platform.h check-in: 1cb9c8455a user: js tags: trunk | |
Changes
Modified src/runtime/exception.m from [11649a75a7] to [ba1f5e6f08].
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166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | const uint8_t *callsites, *actiontable; }; extern _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *); extern void _Unwind_DeleteException(struct _Unwind_Exception *); extern void *_Unwind_GetLanguageSpecificData(struct _Unwind_Context *); extern uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *); extern uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *); extern uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *); #ifndef HAVE_ARM_EHABI_EXCEPTIONS # define CONTINUE_UNWIND return _URC_CONTINUE_UNWIND extern uintptr_t _Unwind_GetIP(struct _Unwind_Context *); extern void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t); extern void _Unwind_SetGR(struct _Unwind_Context *, int, uintptr_t); | > > > > | 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | const uint8_t *callsites, *actiontable; }; extern _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *); extern void _Unwind_DeleteException(struct _Unwind_Exception *); extern void *_Unwind_GetLanguageSpecificData(struct _Unwind_Context *); extern uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *); #ifndef OF_ITANIUM extern uintptr_t _Unwind_GetDataRelBase(struct _Unwind_Context *); extern uintptr_t _Unwind_GetTextRelBase(struct _Unwind_Context *); #else extern uintptr_t _Unwind_GetGR(struct _Unwind_Context *, int); #endif #ifndef HAVE_ARM_EHABI_EXCEPTIONS # define CONTINUE_UNWIND return _URC_CONTINUE_UNWIND extern uintptr_t _Unwind_GetIP(struct _Unwind_Context *); extern void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t); extern void _Unwind_SetGR(struct _Unwind_Context *, int, uintptr_t); |
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285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 |
switch (enc & 0x70) {
case DW_EH_PE_absptr:
case DW_EH_PE_pcrel:
case DW_EH_PE_aligned:
return 0;
case DW_EH_PE_funcrel:
return _Unwind_GetRegionStart(ctx);
case DW_EH_PE_datarel:
return _Unwind_GetDataRelBase(ctx);
case DW_EH_PE_textrel:
return _Unwind_GetTextRelBase(ctx);
}
OBJC_ERROR("Unknown encoding!")
}
static size_t
size_for_encoding(uint8_t enc)
| > > > > > | 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 |
switch (enc & 0x70) {
case DW_EH_PE_absptr:
case DW_EH_PE_pcrel:
case DW_EH_PE_aligned:
return 0;
case DW_EH_PE_funcrel:
return _Unwind_GetRegionStart(ctx);
#ifndef OF_ITANIUM
case DW_EH_PE_datarel:
return _Unwind_GetDataRelBase(ctx);
case DW_EH_PE_textrel:
return _Unwind_GetTextRelBase(ctx);
#else
case DW_EH_PE_datarel:
return _Unwind_GetGR(ctx, 1);
#endif
}
OBJC_ERROR("Unknown encoding!")
}
static size_t
size_for_encoding(uint8_t enc)
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