diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/ppc32/Gresume.c')
-rw-r--r-- | src/third_party/unwind/dist/src/ppc32/Gresume.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/ppc32/Gresume.c b/src/third_party/unwind/dist/src/ppc32/Gresume.c new file mode 100644 index 00000000000..c0f95837b33 --- /dev/null +++ b/src/third_party/unwind/dist/src/ppc32/Gresume.c @@ -0,0 +1,77 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford cjashfor@us.ibm.com + Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@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" + +#ifndef UNW_REMOTE_ONLY + +#include <sys/syscall.h> + +/* sigreturn() is a no-op on x86_64 glibc. */ + +static NORETURN inline long +my_rt_sigreturn (void *new_sp) +{ + /* XXX: empty stub. */ + abort (); +} + +HIDDEN inline int +ppc32_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) +{ + /* XXX: empty stub. */ + return -UNW_EINVAL; +} + +#endif /* !UNW_REMOTE_ONLY */ + +/* This routine is responsible for copying the register values in + cursor C and establishing them as the current machine state. */ + +static inline int +establish_machine_state (struct cursor *c) +{ + /* XXX: empty stub. */ + return 0; +} + +int +unw_resume (unw_cursor_t *cursor) +{ + struct cursor *c = (struct cursor *) cursor; + int ret; + + Debug (1, "(cursor=%p)\n", c); + + if ((ret = establish_machine_state (c)) < 0) + return ret; + + return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, + c->dwarf.as_arg); +} |