[src/trunk]: src/external/gpl3/gcc/dist/libsanitizer/asan Add RISCV bits

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fe6ae44f60d2
branches:  trunk
changeset: 337062:fe6ae44f60d2
user:      matt <matt%NetBSD.org@localhost>
date:      Tue Mar 31 17:58:30 2015 +0000

description:
Add RISCV bits

diffstat:

 external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc |  7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diffs (24 lines):

diff -r fca98b5740fc -r fe6ae44f60d2 external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc
--- a/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc    Tue Mar 31 17:57:40 2015 +0000
+++ b/external/gpl3/gcc/dist/libsanitizer/asan/asan_linux.cc    Tue Mar 31 17:58:30 2015 +0000
@@ -69,6 +69,8 @@
 #  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S8)
 # elif defined(__powerpc__) || defined(__powerpc64__)
 #  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_R1)
+# elif defined(__riscv__)
+#  define _UC_MACHINE_FP(ucontext) __UC_MACHINE_FP(ucontext, _REG_S0)
 # elif defined(__sparc__)
 #  define _UC_MACHINE_FP(ucontext) sp[15]
 # elif defined(__sh3__)
@@ -106,6 +108,11 @@
   // The powerpc{,64}-linux ABIs do not specify r31 as the frame
   // pointer, but GCC always uses r31 when we need a frame pointer.
   *bp = ucontext->uc_mcontext.regs->gpr[PT_R31];
+# elif defined(__riscv__)
+  ucontext_t *ucontext = (ucontext_t*)context;
+  *pc = ucontext->uc_mcontext.gregs[REG_PC];
+  *bp = ucontext->uc_mcontext.gregs[REG_S0];
+  *sp = ucontext->uc_mcontext.gregs[REG_SP];
 # elif defined(__sparc__)
   ucontext_t *ucontext = (ucontext_t*)context;
   uptr *stk_ptr;