Add support for m68k (#900)
Fixes #895
diff --git a/absl/base/internal/direct_mmap.h b/absl/base/internal/direct_mmap.h
index 2d980b4..a10a11c 100644
--- a/absl/base/internal/direct_mmap.h
+++ b/absl/base/internal/direct_mmap.h
@@ -74,6 +74,7 @@
inline void* DirectMmap(void* start, size_t length, int prot, int flags, int fd,
off64_t offset) noexcept {
#if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \
+ defined(__m68k__) || \
(defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \
(defined(__PPC__) && !defined(__PPC64__)) || \
(defined(__riscv) && __riscv_xlen == 32) || \
diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 299a107..c9fcb1f 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -51,6 +51,8 @@
#elif defined(__i386__)
if (14 < ABSL_ARRAYSIZE(context->uc_mcontext.gregs))
return reinterpret_cast<void*>(context->uc_mcontext.gregs[14]);
+#elif defined(__m68k__)
+ return reinterpret_cast<void*>(context->uc_mcontext.gregs[16]);
#elif defined(__mips__)
return reinterpret_cast<void*>(context->uc_mcontext.pc);
#elif defined(__powerpc64__)
