[src/trunk]: src/external/gpl3/gcc/dist/libsanitizer port to hppa, m68k, m680...

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

details:   https://anonhg.NetBSD.org/src/rev/28bdfd0862a2
branches:  trunk
changeset: 829618:28bdfd0862a2
user:      mrg <mrg%NetBSD.org@localhost>
date:      Wed Feb 07 02:32:01 2018 +0000

description:
port to hppa, m68k, m68000, vax, and sh3.  this should complete
our list of ports.  it's only about obtaining some pointers in
this code, really.

diffstat:

 external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_linux.cc |  23 +++++++++-
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_platform.h              |   4 +-
 2 files changed, 25 insertions(+), 2 deletions(-)

diffs (65 lines):

diff -r d7693cbbf377 -r 28bdfd0862a2 external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_linux.cc
--- a/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_linux.cc   Wed Feb 07 02:30:39 2018 +0000
+++ b/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_linux.cc   Wed Feb 07 02:32:01 2018 +0000
@@ -1158,10 +1158,16 @@
   *sp = ucontext->uc_mcontext.sp;
 #elif defined(__hppa__)
   ucontext_t *ucontext = (ucontext_t*)context;
+# if SANITIZER_NETBSD
+  *pc = _UC_MACHINE_PC(ucontext);
+  *sp = _UC_MACHINE_SP(ucontext);
+  *bp = ucontext->uc_mcontext.__gregs[3]; /* XXX */
+#else
   *pc = ucontext->uc_mcontext.sc_iaoq[0];
   /* GCC uses %r3 whenever a frame pointer is needed.  */
   *bp = ucontext->uc_mcontext.sc_gr[3];
   *sp = ucontext->uc_mcontext.sc_gr[30];
+# endif
 #elif defined(__x86_64__)
 # if SANITIZER_FREEBSD
   ucontext_t *ucontext = (ucontext_t*)context;
@@ -1208,7 +1214,7 @@
   // 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];
-#endif
+# endif
 #elif defined(__sparc__)
   ucontext_t *ucontext = (ucontext_t*)context;
   uptr *stk_ptr;
@@ -1248,6 +1254,21 @@
   *pc = _UC_MACHINE_PC(ucontext);
   *sp = _UC_MACHINE_SP(ucontext);
   *bp = ucontext->uc_mcontext.__gregs[_REG_S6];
+#elif (defined(__m68k__) || defined(__mc68010__)) && SANITIZER_NETBSD
+  ucontext_t *ucontext = (ucontext_t*)context;
+  *pc = _UC_MACHINE_PC(ucontext);
+  *sp = _UC_MACHINE_SP(ucontext);
+  *bp = ucontext->uc_mcontext.__gregs[_REG_A6];
+#elif defined(__vax__) && SANITIZER_NETBSD
+  ucontext_t *ucontext = (ucontext_t*)context;
+  *pc = _UC_MACHINE_PC(ucontext);
+  *sp = _UC_MACHINE_SP(ucontext);
+  *bp = ucontext->uc_mcontext.__gregs[_REG_FP];
+#elif defined(__sh3__) && SANITIZER_NETBSD
+  ucontext_t *ucontext = (ucontext_t*)context;
+  *pc = _UC_MACHINE_PC(ucontext);
+  *sp = _UC_MACHINE_SP(ucontext);
+  *bp = ucontext->uc_mcontext.__gregs[_REG_R14];
 #else
 # error "Unsupported arch"
 #endif
diff -r d7693cbbf377 -r 28bdfd0862a2 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_platform.h
--- a/external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_platform.h        Wed Feb 07 02:30:39 2018 +0000
+++ b/external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_platform.h        Wed Feb 07 02:32:01 2018 +0000
@@ -17,7 +17,9 @@
      defined(__APPLE__)) && \
     (defined(__x86_64__) || defined(__i386__) || defined(__arm__) || \
      defined(__aarch64__) || defined(__mips__) || defined(__powerpc__) || \
-     defined(__powerpc64__) || defined(__sparc__) || defined(__alpha__))
+     defined(__hppa__) || defined(__m68k__) || defined(__mc68010__) || \
+     defined(__powerpc64__) || defined(__sparc__) || defined(__alpha__) || \
+     defined(__vax__) || defined(__sh3__))
 # define CAN_SANITIZE_UB 1
 #elif defined(_WIN32)
 # define CAN_SANITIZE_UB 1