[Qemu-devel] [Bug 1085658] [NEW] exec, cpu log

[Daniil Troshkov]

Public bug reported:

Hello!

CPU_LOG_EXEC (and CPU_LOG_TB_CPU) does not work (i.e. not of each tb dumped) 
because tb links is occur.
Patch:

diff --git a/cpu-exec.c b/cpu-exec.c
index 904ee73..509d50c 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -582,7 +582,11 @@ int cpu_exec(CPUArchState *env)
                 /* see if we can patch the calling TB. When the TB
                    spans two pages, we cannot safely do a direct
                    jump. */
-                if (next_tb != 0 && tb->page_addr[1] == -1) {
+                if (next_tb != 0 && tb->page_addr[1] == -1
+#ifdef CONFIG_DEBUG_EXEC
+                    && !qemu_loglevel_mask(CPU_LOG_EXEC | CPU_LOG_TB_CPU)
+#endif
+                ) {
                     tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 
3, tb);
                 }
                 spin_unlock(&tb_lock);

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1085658

Title:
  exec, cpu log

Status in QEMU:
  New

Bug description:
  Hello!

  CPU_LOG_EXEC (and CPU_LOG_TB_CPU) does not work (i.e. not of each tb dumped) 
because tb links is occur.
  Patch:

  diff --git a/cpu-exec.c b/cpu-exec.c
  index 904ee73..509d50c 100644
  --- a/cpu-exec.c
  +++ b/cpu-exec.c
  @@ -582,7 +582,11 @@ int cpu_exec(CPUArchState *env)
                   /* see if we can patch the calling TB. When the TB
                      spans two pages, we cannot safely do a direct
                      jump. */
  -                if (next_tb != 0 && tb->page_addr[1] == -1) {
  +                if (next_tb != 0 && tb->page_addr[1] == -1
  +#ifdef CONFIG_DEBUG_EXEC
  +                    && !qemu_loglevel_mask(CPU_LOG_EXEC | CPU_LOG_TB_CPU)
  +#endif
  +                ) {
                       tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb 
& 3, tb);
                   }
                   spin_unlock(&tb_lock);

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