From 93756fdcf6f3f6482bd9f22d8189b6c4ee09303e Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Sun, 17 Apr 2022 11:30:02 -0700
Subject: [PATCH] linux-user: Expand log_page_dump inline
MIME-Version: 1.0
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We have extra stuff to log at the same time.
Hoist the qemu_log_lock/unlock to the caller and use fprintf.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-23-richard.henderson@linaro.org>
---
 include/exec/log.h | 15 ---------------
 linux-user/main.c  | 43 +++++++++++++++++++++++++++++--------------
 linux-user/mmap.c  |  7 ++++++-
 3 files changed, 35 insertions(+), 30 deletions(-)

diff --git a/include/exec/log.h b/include/exec/log.h
index 06ab9841ee..ad0a40cfeb 100644
--- a/include/exec/log.h
+++ b/include/exec/log.h
@@ -42,19 +42,4 @@ static inline void log_cpu_state_mask(int mask, CPUState *cpu, int flags)
     }
 }
 
-#ifdef NEED_CPU_H
-#if defined(CONFIG_USER_ONLY)
-/* page_dump() output to the log file: */
-static inline void log_page_dump(const char *operation)
-{
-    FILE *logfile = qemu_log_trylock();
-    if (logfile) {
-        fprintf(logfile, "page layout changed following %s\n", operation);
-        page_dump(logfile);
-    }
-    qemu_log_unlock(logfile);
-}
-#endif
-#endif
-
 #endif
diff --git a/linux-user/main.c b/linux-user/main.c
index 6aed4929ab..d263b2a669 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -857,21 +857,36 @@ int main(int argc, char **argv, char **envp)
     g_free(target_environ);
 
     if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
-        qemu_log("guest_base  %p\n", (void *)guest_base);
-        log_page_dump("binary load");
+        FILE *f = qemu_log_trylock();
+        if (f) {
+            fprintf(f, "guest_base  %p\n", (void *)guest_base);
+            fprintf(f, "page layout changed following binary load\n");
+            page_dump(f);
 
-        qemu_log("start_brk   0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
-        qemu_log("end_code    0x" TARGET_ABI_FMT_lx "\n", info->end_code);
-        qemu_log("start_code  0x" TARGET_ABI_FMT_lx "\n", info->start_code);
-        qemu_log("start_data  0x" TARGET_ABI_FMT_lx "\n", info->start_data);
-        qemu_log("end_data    0x" TARGET_ABI_FMT_lx "\n", info->end_data);
-        qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", info->start_stack);
-        qemu_log("brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);
-        qemu_log("entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);
-        qemu_log("argv_start  0x" TARGET_ABI_FMT_lx "\n", info->arg_start);
-        qemu_log("env_start   0x" TARGET_ABI_FMT_lx "\n",
-                 info->arg_end + (abi_ulong)sizeof(abi_ulong));
-        qemu_log("auxv_start  0x" TARGET_ABI_FMT_lx "\n", info->saved_auxv);
+            fprintf(f, "start_brk   0x" TARGET_ABI_FMT_lx "\n",
+                    info->start_brk);
+            fprintf(f, "end_code    0x" TARGET_ABI_FMT_lx "\n",
+                    info->end_code);
+            fprintf(f, "start_code  0x" TARGET_ABI_FMT_lx "\n",
+                    info->start_code);
+            fprintf(f, "start_data  0x" TARGET_ABI_FMT_lx "\n",
+                    info->start_data);
+            fprintf(f, "end_data    0x" TARGET_ABI_FMT_lx "\n",
+                    info->end_data);
+            fprintf(f, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
+                    info->start_stack);
+            fprintf(f, "brk         0x" TARGET_ABI_FMT_lx "\n",
+                    info->brk);
+            fprintf(f, "entry       0x" TARGET_ABI_FMT_lx "\n",
+                    info->entry);
+            fprintf(f, "argv_start  0x" TARGET_ABI_FMT_lx "\n",
+                    info->arg_start);
+            fprintf(f, "env_start   0x" TARGET_ABI_FMT_lx "\n",
+                    info->arg_end + (abi_ulong)sizeof(abi_ulong));
+            fprintf(f, "auxv_start  0x" TARGET_ABI_FMT_lx "\n",
+                    info->saved_auxv);
+            qemu_log_unlock(f);
+        }
     }
 
     target_set_brk(info->brk);
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index a861f1e1d1..48e1373796 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -630,7 +630,12 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int target_prot,
  the_end:
     trace_target_mmap_complete(start);
     if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
-        log_page_dump(__func__);
+        FILE *f = qemu_log_trylock();
+        if (f) {
+            fprintf(f, "page layout changed following mmap\n");
+            page_dump(f);
+            qemu_log_unlock(f);
+        }
     }
     tb_invalidate_phys_range(start, start + len);
     mmap_unlock();