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From: Warner Losh <imp@bsdimp.com>
To: qemu-devel@nongnu.org
Cc: "Kyle Evans" <kevans@FreeBSD.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Laurent Vivier" <laurent@vivier.eu>,
	"Warner Losh" <imp@bsdimp.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: [PULL 06/23] bsd-user/mmap.c: Convert to qemu_log logging for mmap debugging
Date: Mon, 18 Oct 2021 10:04:41 -0600	[thread overview]
Message-ID: <20211018160458.1976-7-imp@bsdimp.com> (raw)
In-Reply-To: <20211018160458.1976-1-imp@bsdimp.com>

Convert DEBUG_MMAP to qemu_log CPU_LOG_PAGE.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
---
 bsd-user/mmap.c | 53 +++++++++++++++++++++----------------------------
 1 file changed, 23 insertions(+), 30 deletions(-)

diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c
index 301108ed25..face98573f 100644
--- a/bsd-user/mmap.c
+++ b/bsd-user/mmap.c
@@ -21,8 +21,6 @@
 #include "qemu.h"
 #include "qemu-common.h"
 
-//#define DEBUG_MMAP
-
 static pthread_mutex_t mmap_mutex = PTHREAD_MUTEX_INITIALIZER;
 static __thread int mmap_lock_count;
 
@@ -67,14 +65,11 @@ int target_mprotect(abi_ulong start, abi_ulong len, int prot)
     abi_ulong end, host_start, host_end, addr;
     int prot1, ret;
 
-#ifdef DEBUG_MMAP
-    printf("mprotect: start=0x" TARGET_ABI_FMT_lx
-           "len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c\n", start, len,
-           prot & PROT_READ ? 'r' : '-',
-           prot & PROT_WRITE ? 'w' : '-',
-           prot & PROT_EXEC ? 'x' : '-');
-#endif
-
+    qemu_log_mask(CPU_LOG_PAGE, "mprotect: start=0x" TARGET_ABI_FMT_lx
+                  " len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c\n", start, len,
+                  prot & PROT_READ ? 'r' : '-',
+                  prot & PROT_WRITE ? 'w' : '-',
+                  prot & PROT_EXEC ? 'x' : '-');
     if ((start & ~TARGET_PAGE_MASK) != 0)
         return -EINVAL;
     len = TARGET_PAGE_ALIGN(len);
@@ -391,45 +386,43 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
     abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
 
     mmap_lock();
-#ifdef DEBUG_MMAP
-    {
-        printf("mmap: start=0x" TARGET_ABI_FMT_lx
-               " len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c flags=",
-               start, len,
-               prot & PROT_READ ? 'r' : '-',
-               prot & PROT_WRITE ? 'w' : '-',
-               prot & PROT_EXEC ? 'x' : '-');
+    if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
+        qemu_log("mmap: start=0x" TARGET_ABI_FMT_lx
+                 " len=0x" TARGET_ABI_FMT_lx " prot=%c%c%c flags=",
+                 start, len,
+                 prot & PROT_READ ? 'r' : '-',
+                 prot & PROT_WRITE ? 'w' : '-',
+                 prot & PROT_EXEC ? 'x' : '-');
         if (flags & MAP_ALIGNMENT_MASK) {
-            printf("MAP_ALIGNED(%u) ", (flags & MAP_ALIGNMENT_MASK)
-                    >> MAP_ALIGNMENT_SHIFT);
+            qemu_log("MAP_ALIGNED(%u) ",
+                     (flags & MAP_ALIGNMENT_MASK) >> MAP_ALIGNMENT_SHIFT);
         }
         if (flags & MAP_GUARD) {
-            printf("MAP_GUARD ");
+            qemu_log("MAP_GUARD ");
         }
         if (flags & MAP_FIXED) {
-            printf("MAP_FIXED ");
+            qemu_log("MAP_FIXED ");
         }
         if (flags & MAP_ANON) {
-            printf("MAP_ANON ");
+            qemu_log("MAP_ANON ");
         }
         if (flags & MAP_EXCL) {
-            printf("MAP_EXCL ");
+            qemu_log("MAP_EXCL ");
         }
         if (flags & MAP_PRIVATE) {
-            printf("MAP_PRIVATE ");
+            qemu_log("MAP_PRIVATE ");
         }
         if (flags & MAP_SHARED) {
-            printf("MAP_SHARED ");
+            qemu_log("MAP_SHARED ");
         }
         if (flags & MAP_NOCORE) {
-            printf("MAP_NOCORE ");
+            qemu_log("MAP_NOCORE ");
         }
         if (flags & MAP_STACK) {
-            printf("MAP_STACK ");
+            qemu_log("MAP_STACK ");
         }
-        printf("fd=%d offset=0x%llx\n", fd, offset);
+        qemu_log("fd=%d offset=0x%lx\n", fd, offset);
     }
-#endif
 
     if ((flags & MAP_ANON) && fd != -1) {
         errno = EINVAL;
-- 
2.32.0



  parent reply	other threads:[~2021-10-18 16:08 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-18 16:04 [PULL 00/23] Pull bsd user 20211018 patches Warner Losh
2021-10-18 16:04 ` [PULL 01/23] bsd-user/mmap.c: Always zero MAP_ANONYMOUS memory in mmap_frag() Warner Losh
2021-10-18 16:04 ` [PULL 02/23] bsd-user/mmap.c: check pread's return value to fix warnings with _FORTIFY_SOURCE Warner Losh
2021-10-18 16:04 ` [PULL 03/23] bsd-user/mmap.c: MAP_ symbols are defined, so no need for ifdefs Warner Losh
2021-10-18 16:04 ` [PULL 04/23] bsd-user/mmap.c: mmap return ENOMEM on overflow Warner Losh
2021-10-18 16:04 ` [PULL 05/23] bsd-user/mmap.c: mmap prefer MAP_ANON for BSD Warner Losh
2021-10-18 16:04 ` Warner Losh [this message]
2021-10-18 16:04 ` [PULL 07/23] bsd-user/mmap.c: Don't mmap fd == -1 independently from MAP_ANON flag Warner Losh
2021-10-18 18:45   ` Richard Henderson
2021-10-18 18:47     ` Warner Losh
2021-10-18 18:48       ` Richard Henderson
2021-10-18 16:04 ` [PULL 08/23] bsd-user/mmap.c: Implement MAP_EXCL, required by jemalloc in head Warner Losh
2021-10-18 16:04 ` [PULL 09/23] bsd-user/mmap.c: assert that target_mprotect cannot fail Warner Losh
2021-10-18 16:04 ` [PULL 10/23] meson: *-user: only descend into *-user when configured Warner Losh
2021-10-18 16:04 ` [PULL 11/23] bsd-user/target_os-user.h: Remove support for FreeBSD older than 12.0 Warner Losh
2021-10-18 16:04 ` [PULL 12/23] bsd-user/strace.list: Remove support for FreeBSD versions " Warner Losh
2021-10-18 16:04 ` [PULL 13/23] bsd-user: TARGET_RESET define is unused, remove it Warner Losh
2021-10-18 16:04 ` [PULL 14/23] bsd-user: export get_errno and is_error from syscall.c Warner Losh
2021-10-18 16:04 ` [PULL 15/23] bsd-user/errno_defs.h: Add internal error numbers Warner Losh
2021-10-18 16:04 ` [PULL 16/23] bsd-user: move TARGET_MC_GET_CLEAR_RET to target_os_signal.h Warner Losh
2021-10-18 16:04 ` [PULL 17/23] bsd-user/target_os_elf.h: Remove fallback ELF_HWCAP and reorder Warner Losh
2021-10-18 16:04 ` [PULL 18/23] bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it Warner Losh
2021-10-18 16:04 ` [PULL 19/23] bsd-user: Remove used from TaskState Warner Losh
2021-10-18 16:04 ` [PULL 20/23] bsd-user: Add stop_all_tasks Warner Losh
2021-10-18 16:04 ` [PULL 21/23] bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface Warner Losh
2021-10-18 16:04 ` [PULL 22/23] bsd-user: Rename sigqueue to qemu_sigqueue Warner Losh
2021-10-18 16:04 ` [PULL 23/23] bsd-user/signal: Create a dummy signal queueing function Warner Losh

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