diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/x86_64/Gcreate_addr_space.c')
-rw-r--r-- | src/third_party/unwind/dist/src/x86_64/Gcreate_addr_space.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/x86_64/Gcreate_addr_space.c b/src/third_party/unwind/dist/src/x86_64/Gcreate_addr_space.c new file mode 100644 index 00000000000..9b2db9810ab --- /dev/null +++ b/src/third_party/unwind/dist/src/x86_64/Gcreate_addr_space.c @@ -0,0 +1,61 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2003 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + + Modified for x86_64 by Max Asbock <masbock@us.ibm.com> + Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.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 <stdlib.h> + +#include "unwind_i.h" + +#if defined(_LITTLE_ENDIAN) && !defined(__LITTLE_ENDIAN) +#define __LITTLE_ENDIAN _LITTLE_ENDIAN +#endif + +unw_addr_space_t +unw_create_addr_space (unw_accessors_t *a, int byte_order) +{ +#ifdef UNW_LOCAL_ONLY + return NULL; +#else + unw_addr_space_t as; + + /* + * x86_64 supports only little-endian. + */ + if (byte_order != 0 && byte_order != __LITTLE_ENDIAN) + return NULL; + + as = malloc (sizeof (*as)); + if (!as) + return NULL; + + memset (as, 0, sizeof (*as)); + + as->acc = *a; + + return as; +#endif +} |