From 361827c8f986a73cdccfc98ad16fe9f33ed6fb25 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Fri, 6 Mar 2015 03:47:45 +0100
Subject: PPC64: Add build infrastructure.

---
 src/host/buildvm.c     |  2 +-
 src/host/buildvm_asm.c | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/host')

diff --git a/src/host/buildvm.c b/src/host/buildvm.c
index c3e7dad2..324dd263 100644
--- a/src/host/buildvm.c
+++ b/src/host/buildvm.c
@@ -114,7 +114,7 @@ static const char *sym_decorate(BuildCtx *ctx,
     else
       *p = '\0';
 #elif LJ_TARGET_PPC && !LJ_TARGET_CONSOLE
-    /* Keep @plt. */
+    /* Keep @plt etc. */
 #else
     *p = '\0';
 #endif
diff --git a/src/host/buildvm_asm.c b/src/host/buildvm_asm.c
index fe1b589a..9b7ae53a 100644
--- a/src/host/buildvm_asm.c
+++ b/src/host/buildvm_asm.c
@@ -140,6 +140,14 @@ static void emit_asm_wordreloc(BuildCtx *ctx, uint8_t *p, int n,
     fprintf(ctx->fp, "\t%s %d, %d, " TOCPREFIX "%s\n",
 	    (ins & 1) ? "bcl" : "bc", (ins >> 21) & 31, (ins >> 16) & 31, sym);
   } else if ((ins >> 26) == 18) {
+#if LJ_ARCH_PPC64
+    const char *suffix = strchr(sym, '@');
+    if (suffix && suffix[1] == 'h') {
+      fprintf(ctx->fp, "\taddis 11, 2, %s\n", sym);
+    } else if (suffix && suffix[1] == 'l') {
+      fprintf(ctx->fp, "\tld 12, %s\n", sym);
+    } else
+#endif
     fprintf(ctx->fp, "\t%s " TOCPREFIX "%s\n", (ins & 1) ? "bl" : "b", sym);
   } else {
     fprintf(stderr,
@@ -237,6 +245,9 @@ void emit_asm(BuildCtx *ctx)
   int i, rel;
 
   fprintf(ctx->fp, "\t.file \"buildvm_%s.dasc\"\n", ctx->dasm_arch);
+#if LJ_ARCH_PPC64
+  fprintf(ctx->fp, "\t.abiversion 2\n");
+#endif
   fprintf(ctx->fp, "\t.text\n");
   emit_asm_align(ctx, 4);
 
-- 
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