From 983eeae0792946fe5c090f95164c892ec6db5cc4 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 16 Feb 2020 16:22:53 -0800
Subject: [PATCH] Add RISCV support to GetProgramCounter()

Identify PC register from signal context

Upstream-Status: Submitted [https://github.com/abseil/abseil-cpp/pull/621]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 absl/debugging/internal/examine_stack.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 4739fbc..fb77450 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -53,6 +53,8 @@ void* GetProgramCounter(void* vuc) {
     return reinterpret_cast<void*>(context->uc_mcontext.gp_regs[32]);
 #elif defined(__powerpc__)
     return reinterpret_cast<void*>(context->uc_mcontext.regs->nip);
+#elif defined(__riscv)
+    return reinterpret_cast<void*>(context->uc_mcontext.__gregs[REG_PC]);
 #elif defined(__s390__) && !defined(__s390x__)
     return reinterpret_cast<void*>(context->uc_mcontext.psw.addr & 0x7fffffff);
 #elif defined(__s390__) && defined(__s390x__)
-- 
2.25.0

