diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/unwind/GetGR.c')
-rw-r--r-- | src/third_party/unwind/dist/src/unwind/GetGR.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/unwind/GetGR.c b/src/third_party/unwind/dist/src/unwind/GetGR.c new file mode 100644 index 00000000000..fa709434353 --- /dev/null +++ b/src/third_party/unwind/dist/src/unwind/GetGR.c @@ -0,0 +1,43 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2003-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind-internal.h" + +unsigned long +_Unwind_GetGR (struct _Unwind_Context *context, int index) +{ + unw_word_t val; + + if (index == UNW_REG_SP && context->end_of_stack) + /* _Unwind_ForcedUnwind() requires us to return a NULL + stack-pointer after reaching the end of the stack. */ + return 0; + + unw_get_reg (&context->cursor, index, &val); + return val; +} + +unsigned long __libunwind_Unwind_GetGR (struct _Unwind_Context *, int) + ALIAS (_Unwind_GetGR); |