From d729e06212e5a8c35ffb7ca822f1060b1f0a4094 Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Sat, 4 May 2019 03:41:11 +0200
Subject: [PATCH] import https://github.com/boostorg/context/pull/106 (fixes
 ppc64)

---
 src/asm/ppc64/ontop_ppc64_sysv_elf_gas.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/asm/ppc64/ontop_ppc64_sysv_elf_gas.S b/src/asm/ppc64/ontop_ppc64_sysv_elf_gas.S
index de67605..c298fc5 100644
--- a/src/asm/ppc64/ontop_ppc64_sysv_elf_gas.S
+++ b/src/asm/ppc64/ontop_ppc64_sysv_elf_gas.S
@@ -174,6 +174,9 @@ ostd_ontop_fcontext:
     # restore CTR
     mtctr  %r5
 
+    # store cb entrypoint in %r12, used for TOC calculation
+    mr %r12, %r5
+
     # copy transfer_t into ontop_fn arg registers
     mr  %r3, %r7
     # arg pointer already in %r4