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authorblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-07-10 17:21:31 +0000
committerblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-07-10 17:21:31 +0000
commitd03d860b151d382e3a158e8e27838729cfcda075 (patch)
tree0b1d2b12704f3bbde996778cf4a03069f6a9c131 /exec.c
parent815a67426681d057d09c56bf58137b222847fdbb (diff)
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Link ARM prologue closer to code segment to avoid a build failure
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4867 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/exec.c b/exec.c
index 5b43172..47f35e5 100644
--- a/exec.c
+++ b/exec.c
@@ -89,7 +89,19 @@ int nb_tbs;
/* any access to the tbs or the page table must use this lock */
spinlock_t tb_lock = SPIN_LOCK_UNLOCKED;
-uint8_t code_gen_prologue[1024] __attribute__((aligned (32)));
+#if defined(__arm__)
+/* The prologue must be reachable with a direct jump. ARM has a
+ limited branch range (possibly also PPC and SPARC?) so place it in a
+ section close to code segment. */
+#define code_gen_section \
+ __attribute__((__section__(".gen_code"))) \
+ __attribute__((aligned (32)))
+#else
+#define code_gen_section \
+ __attribute__((aligned (32)))
+#endif
+
+uint8_t code_gen_prologue[1024] code_gen_section;
uint8_t *code_gen_buffer;
unsigned long code_gen_buffer_size;
/* threshold to flush the translated code buffer */