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linux-user: Expand log_page_dump inline 

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>
This commit is contained in:
Richard Henderson 2022-04-17 11:30:02 -07:00
parent 43b761618d
commit 93756fdcf6
3 changed files with 35 additions and 30 deletions
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15
include/exec/log.h
View File

@ -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

43
linux-user/main.c
View File

@ -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);

7
linux-user/mmap.c
View File

@ -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();