mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bsd-user/mmap.c: Convert to qemu_log logging for mmap debugging

Browse Source 
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>
This commit is contained in:
Warner Losh 2021-09-16 18:47:19 -06:00
parent 953b69cc06
commit 45b8765e8f
1 changed files with 23 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
bsd-user/mmap.c
View File

@ -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;