diff options
Diffstat (limited to 'src/third_party/unwind/dist/src/s390x/Gglobal.c')
-rw-r--r-- | src/third_party/unwind/dist/src/s390x/Gglobal.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/s390x/Gglobal.c b/src/third_party/unwind/dist/src/s390x/Gglobal.c new file mode 100644 index 00000000000..e2abe89d307 --- /dev/null +++ b/src/third_party/unwind/dist/src/s390x/Gglobal.c @@ -0,0 +1,101 @@ +/* libunwind - a platform-independent unwind library + Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P. + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + + Modified for x86_64 by Max Asbock <masbock@us.ibm.com> + Modified for s390x by Michael Munday <mike.munday@ibm.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 "config.h" +#include "unwind_i.h" +#include "dwarf_i.h" + +HIDDEN define_lock (s390x_lock); +HIDDEN int tdep_init_done; + +/* The API register numbers are exactly the same as the .eh_frame + registers, for now at least. */ +HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_NUM_PRESERVED_REGS] = + { + UNW_S390X_R0, + UNW_S390X_R1, + UNW_S390X_R2, + UNW_S390X_R3, + UNW_S390X_R4, + UNW_S390X_R5, + UNW_S390X_R6, + UNW_S390X_R7, + UNW_S390X_R8, + UNW_S390X_R9, + UNW_S390X_R10, + UNW_S390X_R11, + UNW_S390X_R12, + UNW_S390X_R13, + UNW_S390X_R14, + UNW_S390X_R15, + + UNW_S390X_F0, + UNW_S390X_F2, + UNW_S390X_F4, + UNW_S390X_F6, + UNW_S390X_F1, + UNW_S390X_F3, + UNW_S390X_F5, + UNW_S390X_F7, + UNW_S390X_F8, + UNW_S390X_F10, + UNW_S390X_F12, + UNW_S390X_F14, + UNW_S390X_F9, + UNW_S390X_F11, + UNW_S390X_F13, + UNW_S390X_F15, + }; + +HIDDEN void +tdep_init (void) +{ + intrmask_t saved_mask; + + sigfillset (&unwi_full_mask); + + lock_acquire (&s390x_lock, saved_mask); + { + if (tdep_init_done) + /* another thread else beat us to it... */ + goto out; + + mi_init (); + + dwarf_init (); + + tdep_init_mem_validate (); + +#ifndef UNW_REMOTE_ONLY + s390x_local_addr_space_init (); +#endif + tdep_init_done = 1; /* signal that we're initialized... */ + } + out: + lock_release (&s390x_lock, saved_mask); +} |