diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/mips/Gcreate_addr_space.c')
-rw-r--r-- | src/third_party/unwind/dist/src/mips/Gcreate_addr_space.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/mips/Gcreate_addr_space.c b/src/third_party/unwind/dist/src/mips/Gcreate_addr_space.c new file mode 100644 index 00000000000..c2408b95edc --- /dev/null +++ b/src/third_party/unwind/dist/src/mips/Gcreate_addr_space.c @@ -0,0 +1,74 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2008 CodeSourcery + +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" + +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; + + /* + * MIPS supports only big or little-endian, not weird stuff like + * PDP_ENDIAN. + */ + if (byte_order != 0 + && byte_order != __LITTLE_ENDIAN + && byte_order != __BIG_ENDIAN) + return NULL; + + as = malloc (sizeof (*as)); + if (!as) + return NULL; + + memset (as, 0, sizeof (*as)); + + as->acc = *a; + + if (byte_order == 0) + /* use host default: */ + as->big_endian = (__BYTE_ORDER == __BIG_ENDIAN); + else + as->big_endian = (byte_order == __BIG_ENDIAN); + + /* FIXME! There is no way to specify the ABI. */ +#if _MIPS_SIM == _ABIO32 + as->abi = UNW_MIPS_ABI_O32; +#elif _MIPS_SIM == _ABIN32 + as->abi = UNW_MIPS_ABI_N32; +#elif _MIPS_SIM == _ABI64 + as->abi = UNW_MIPS_ABI_N64; +#else +# error Unsupported ABI +#endif + as->addr_size = 4; + + return as; +#endif +} |