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[PULL 8/9] tcg/ppc: Ensure _CALL_SYSV is set for 32-bit ELF
From: |
Richard Henderson |
Subject: |
[PULL 8/9] tcg/ppc: Ensure _CALL_SYSV is set for 32-bit ELF |
Date: |
Sun, 12 Sep 2021 08:58:08 -0700 |
Clang only sets _CALL_ELF for ppc64, and nothing at all to specify
the ABI for ppc32. Make a good guess based on other symbols.
Reported-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/ppc/tcg-target.c.inc | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index 2202ce017e..5e1fac914a 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -25,9 +25,24 @@
#include "elf.h"
#include "../tcg-pool.c.inc"
-#if !defined _CALL_DARWIN && defined __APPLE__
-#define _CALL_DARWIN 1
-#endif
+/*
+ * Standardize on the _CALL_FOO symbols used by GCC:
+ * Apple XCode does not define _CALL_DARWIN.
+ * Clang defines _CALL_ELF (64-bit) but not _CALL_SYSV (32-bit).
+ */
+#if !defined(_CALL_SYSV) && \
+ !defined(_CALL_DARWIN) && \
+ !defined(_CALL_AIX) && \
+ !defined(_CALL_ELF)
+# if defined(__APPLE__)
+# define _CALL_DARWIN
+# elif defined(__ELF__) && TCG_TARGET_REG_BITS == 32
+# define _CALL_SYSV
+# else
+# error "Unknown ABI"
+# endif
+#endif
+
#ifdef _CALL_SYSV
# define TCG_TARGET_CALL_ALIGN_ARGS 1
#endif
--
2.25.1
- [PULL 0/9] tcg patch queue, Richard Henderson, 2021/09/12
- [PULL 4/9] accel/tcg: remove redundant TCG_KICK_PERIOD define, Richard Henderson, 2021/09/12
- [PULL 6/9] include/qemu: Use builtins for bswap, Richard Henderson, 2021/09/12
- [PULL 3/9] tcg/i386: Split P_VEXW from P_REXW, Richard Henderson, 2021/09/12
- [PULL 8/9] tcg/ppc: Ensure _CALL_SYSV is set for 32-bit ELF,
Richard Henderson <=
- [PULL 1/9] accel/tcg: Add DisasContextBase argument to translator_ld*, Richard Henderson, 2021/09/12
- [PULL 2/9] accel/tcg: Clear PAGE_WRITE before translation, Richard Henderson, 2021/09/12
- [PULL 9/9] tcg/arm: Fix tcg_out_vec_op function signature, Richard Henderson, 2021/09/12
- [PULL 5/9] tcg: Remove tcg_global_reg_new defines, Richard Henderson, 2021/09/12
- [PULL 7/9] tcg/ppc: Replace TCG_TARGET_CALL_DARWIN with _CALL_DARWIN, Richard Henderson, 2021/09/12
- Re: [PULL 0/9] tcg patch queue, Peter Maydell, 2021/09/13