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[Qemu-devel] [PATCH v2 3/4] tcg-i386: Use QEMU_BUILD_BUG_ON instead of a
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 3/4] tcg-i386: Use QEMU_BUILD_BUG_ON instead of assert for frame size |
Date: |
Wed, 5 Jun 2013 10:29:27 -0700 |
We can check the condition at compile time, rather than run time.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/i386/tcg-target.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 7d946eb..991f484 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -2324,6 +2324,9 @@ typedef struct {
uint8_t fde_reg_ofs[14];
} DebugFrame;
+/* We're expecting a 2 byte uleb128 encoded value. */
+QEMU_BUILD_BUG_ON(FRAME_SIZE >= (1 << 14));
+
#if !defined(__ELF__)
/* Host machine without ELF. */
#elif TCG_TARGET_REG_BITS == 64
@@ -2387,9 +2390,6 @@ static DebugFrame debug_frame = {
#if defined(ELF_HOST_MACHINE)
void tcg_register_jit(void *buf, size_t buf_size)
{
- /* We're expecting a 2 byte uleb128 encoded value. */
- assert(FRAME_SIZE >> 14 == 0);
-
debug_frame.fde.func_start = (tcg_target_long) buf;
debug_frame.fde.func_len = buf_size;
--
1.8.1.4