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accel/tcg: Remove disabled debug in translate-all.c

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These items printf, and could be replaced with proper
tracepoints if we really cared.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-09-18 13:46:21 +02:00
parent 50d4c8c1d4
commit f5e8039974
1 changed files with 0 additions and 109 deletions
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109
accel/tcg/translate-all.c
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@ -63,33 +63,7 @@
#include "tb-context.h"
#include "internal.h"
/* #define DEBUG_TB_INVALIDATE */
/* #define DEBUG_TB_FLUSH */
/* make various TB consistency checks */
/* #define DEBUG_TB_CHECK */
#ifdef DEBUG_TB_INVALIDATE
#define DEBUG_TB_INVALIDATE_GATE 1
#else
#define DEBUG_TB_INVALIDATE_GATE 0
#endif
#ifdef DEBUG_TB_FLUSH
#define DEBUG_TB_FLUSH_GATE 1
#else
#define DEBUG_TB_FLUSH_GATE 0
#endif
#if !defined(CONFIG_USER_ONLY)
/* TB consistency checks only implemented for usermode emulation. */
#undef DEBUG_TB_CHECK
#endif
#ifdef DEBUG_TB_CHECK
#define DEBUG_TB_CHECK_GATE 1
#else
#define DEBUG_TB_CHECK_GATE 0
#endif
/* Access to the various translations structures need to be serialised via locks
* for consistency.
@ -940,15 +914,6 @@ static void page_flush_tb(void)
}
}
static gboolean tb_host_size_iter(gpointer key, gpointer value, gpointer data)
{
const TranslationBlock *tb = value;
size_t *size = data;
*size += tb->tc.size;
return false;
}
/* flush all the translation blocks */
static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
{
@ -963,15 +928,6 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
}
did_flush = true;
if (DEBUG_TB_FLUSH_GATE) {
size_t nb_tbs = tcg_nb_tbs();
size_t host_size = 0;
tcg_tb_foreach(tb_host_size_iter, &host_size);
printf("qemu: flush code_size=%zu nb_tbs=%zu avg_tb_size=%zu\n",
tcg_code_size(), nb_tbs, nb_tbs > 0 ? host_size / nb_tbs : 0);
}
CPU_FOREACH(cpu) {
tcg_flush_jmp_cache(cpu);
}
@ -1005,57 +961,6 @@ void tb_flush(CPUState *cpu)
}
}
/*
* Formerly ifdef DEBUG_TB_CHECK. These debug functions are user-mode-only,
* so in order to prevent bit rot we compile them unconditionally in user-mode,
* and let the optimizer get rid of them by wrapping their user-only callers
* with if (DEBUG_TB_CHECK_GATE).
*/
#ifdef CONFIG_USER_ONLY
static void do_tb_invalidate_check(void *p, uint32_t hash, void *userp)
{
TranslationBlock *tb = p;
target_ulong addr = *(target_ulong *)userp;
if (!(addr + TARGET_PAGE_SIZE <= tb_pc(tb) ||
addr >= tb_pc(tb) + tb->size)) {
printf("ERROR invalidate: address=" TARGET_FMT_lx
" PC=%08lx size=%04x\n", addr, (long)tb_pc(tb), tb->size);
}
}
/* verify that all the pages have correct rights for code
*
* Called with mmap_lock held.
*/
static void tb_invalidate_check(target_ulong address)
{
address &= TARGET_PAGE_MASK;
qht_iter(&tb_ctx.htable, do_tb_invalidate_check, &address);
}
static void do_tb_page_check(void *p, uint32_t hash, void *userp)
{
TranslationBlock *tb = p;
int flags1, flags2;
flags1 = page_get_flags(tb_pc(tb));
flags2 = page_get_flags(tb_pc(tb) + tb->size - 1);
if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
(long)tb_pc(tb), tb->size, flags1, flags2);
}
}
/* verify that all the pages have correct rights for code */
static void tb_page_check(void)
{
qht_iter(&tb_ctx.htable, do_tb_page_check, NULL);
}
#endif /* CONFIG_USER_ONLY */
/*
* user-mode: call with mmap_lock held
* !user-mode: call with @pd->lock held
@ -1339,12 +1244,6 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc,
page_unlock(p2);
}
page_unlock(p);
#ifdef CONFIG_USER_ONLY
if (DEBUG_TB_CHECK_GATE) {
tb_page_check();
}
#endif
return tb;
}
@ -2400,9 +2299,6 @@ void page_protect(tb_page_addr_t page_addr)
}
mprotect(g2h_untagged(page_addr), qemu_host_page_size,
(prot & PAGE_BITS) & ~PAGE_WRITE);
if (DEBUG_TB_INVALIDATE_GATE) {
printf("protecting code page: 0x" TB_PAGE_ADDR_FMT "\n", page_addr);
}
}
}
@ -2458,11 +2354,6 @@ int page_unprotect(target_ulong address, uintptr_t pc)
/* and since the content will be modified, we must invalidate
the corresponding translated code. */
current_tb_invalidated |= tb_invalidate_phys_page(addr, pc);
#ifdef CONFIG_USER_ONLY
if (DEBUG_TB_CHECK_GATE) {
tb_invalidate_check(addr);
}
#endif
}
mprotect((void *)g2h_untagged(host_start), qemu_host_page_size,
prot & PAGE_BITS);