From 4e080ed8d64e73465ffe9f79d95b56ff184cf01a Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Mon, 9 Jul 2018 21:18:07 -0500
Subject: [PATCH] PowerPC: Support ELFv2 ABI

The ELFv2 ABI does not use function descriptors.  This change has been
tested on Power Mac G5, IBM POWER6, and Raptor Talos II, all using the
musl libc on Linux kernel 4.14.
---
 orc/orcpowerpc.c         | 2 +-
 orc/orcprogram-altivec.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/orc/orcpowerpc.c b/orc/orcpowerpc.c
index a6835ba..8eeb4e5 100644
--- a/orc/orcpowerpc.c
+++ b/orc/orcpowerpc.c
@@ -418,7 +418,7 @@ orc_powerpc_flush_cache (OrcCode *code)
   int size = code->code_size;
 
   ptr = code->code;
-#ifdef __powerpc64__
+#if defined(__powerpc64__) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
   *(unsigned char **) ptr = (unsigned char *) code->exec + 24;
 #endif
   for (i=0;i<size;i+=cache_line_size) {
diff --git a/orc/orcprogram-altivec.c b/orc/orcprogram-altivec.c
index 2ad11e8..bc40633 100644
--- a/orc/orcprogram-altivec.c
+++ b/orc/orcprogram-altivec.c
@@ -27,12 +27,14 @@ powerpc_emit_prologue (OrcCompiler *compiler)
   ORC_ASM_CODE (compiler, "%s:\n", compiler->program->name);
 
   if (compiler->is_64bit) {
+#if !defined(_CALL_ELF) || _CALL_ELF == 1
     ORC_ASM_CODE (compiler, " .quad .%s,.TOC.@tocbase,0\n",
                   compiler->program->name);
     ORC_ASM_CODE (compiler, ".%s:\n", compiler->program->name);
     powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
     powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
     powerpc_emit (compiler, 0); powerpc_emit (compiler, 0);
+#endif
     powerpc_emit_stdu (compiler, POWERPC_R1, POWERPC_R1, -16);
   } else {
     powerpc_emit_stwu (compiler, POWERPC_R1, POWERPC_R1, -16);
-- 
2.7.4