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-rw-r--r--linux-user/cpu_loop-common.h15
-rw-r--r--linux-user/i386/cpu_loop.c6
-rw-r--r--linux-user/ioctls.h24
-rw-r--r--linux-user/strace.c6
-rw-r--r--linux-user/strace.list3
-rw-r--r--linux-user/syscall.c100
6 files changed, 96 insertions, 58 deletions
diff --git a/linux-user/cpu_loop-common.h b/linux-user/cpu_loop-common.h
index 36ff5b14f2..e644d2ef90 100644
--- a/linux-user/cpu_loop-common.h
+++ b/linux-user/cpu_loop-common.h
@@ -23,18 +23,9 @@
#include "exec/log.h"
#include "special-errno.h"
-#define EXCP_DUMP(env, fmt, ...) \
-do { \
- CPUState *cs = env_cpu(env); \
- fprintf(stderr, fmt , ## __VA_ARGS__); \
- fprintf(stderr, "Failing executable: %s\n", exec_path); \
- cpu_dump_state(cs, stderr, 0); \
- if (qemu_log_separate()) { \
- qemu_log(fmt, ## __VA_ARGS__); \
- qemu_log("Failing executable: %s\n", exec_path); \
- log_cpu_state(cs, 0); \
- } \
-} while (0)
+void target_exception_dump(CPUArchState *env, const char *fmt, int code);
+#define EXCP_DUMP(env, fmt, code) \
+ target_exception_dump(env, fmt, code)
void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs);
#endif
diff --git a/linux-user/i386/cpu_loop.c b/linux-user/i386/cpu_loop.c
index 42837399bc..865413c08f 100644
--- a/linux-user/i386/cpu_loop.c
+++ b/linux-user/i386/cpu_loop.c
@@ -201,7 +201,6 @@ void cpu_loop(CPUX86State *env)
{
CPUState *cs = env_cpu(env);
int trapnr;
- abi_ulong pc;
abi_ulong ret;
for(;;) {
@@ -307,9 +306,8 @@ void cpu_loop(CPUX86State *env)
cpu_exec_step_atomic(cs);
break;
default:
- pc = env->segs[R_CS].base + env->eip;
- EXCP_DUMP(env, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
- (long)pc, trapnr);
+ EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n",
+ trapnr);
abort();
}
process_pending_signals(env);
diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index f182d40190..071f7ca253 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -96,9 +96,7 @@
IOCTL(BLKROGET, IOC_R, MK_PTR(TYPE_INT))
IOCTL(BLKRRPART, 0, TYPE_NULL)
IOCTL(BLKGETSIZE, IOC_R, MK_PTR(TYPE_ULONG))
-#ifdef BLKGETSIZE64
IOCTL(BLKGETSIZE64, IOC_R, MK_PTR(TYPE_ULONGLONG))
-#endif
IOCTL(BLKFLSBUF, 0, TYPE_NULL)
IOCTL(BLKRASET, 0, TYPE_INT)
IOCTL(BLKRAGET, IOC_R, MK_PTR(TYPE_LONG))
@@ -107,33 +105,15 @@
IOCTL_SPECIAL(BLKPG, IOC_W, do_ioctl_blkpg,
MK_PTR(MK_STRUCT(STRUCT_blkpg_ioctl_arg)))
-#ifdef BLKDISCARD
IOCTL(BLKDISCARD, IOC_W, MK_PTR(MK_ARRAY(TYPE_ULONGLONG, 2)))
-#endif
-#ifdef BLKIOMIN
IOCTL(BLKIOMIN, IOC_R, MK_PTR(TYPE_INT))
-#endif
-#ifdef BLKIOOPT
IOCTL(BLKIOOPT, IOC_R, MK_PTR(TYPE_INT))
-#endif
-#ifdef BLKALIGNOFF
IOCTL(BLKALIGNOFF, IOC_R, MK_PTR(TYPE_INT))
-#endif
-#ifdef BLKPBSZGET
IOCTL(BLKPBSZGET, IOC_R, MK_PTR(TYPE_INT))
-#endif
-#ifdef BLKDISCARDZEROES
IOCTL(BLKDISCARDZEROES, IOC_R, MK_PTR(TYPE_INT))
-#endif
-#ifdef BLKSECDISCARD
IOCTL(BLKSECDISCARD, IOC_W, MK_PTR(MK_ARRAY(TYPE_ULONGLONG, 2)))
-#endif
-#ifdef BLKROTATIONAL
IOCTL(BLKROTATIONAL, IOC_R, MK_PTR(TYPE_SHORT))
-#endif
-#ifdef BLKZEROOUT
IOCTL(BLKZEROOUT, IOC_W, MK_PTR(MK_ARRAY(TYPE_ULONGLONG, 2)))
-#endif
IOCTL(FDMSGON, 0, TYPE_NULL)
IOCTL(FDMSGOFF, 0, TYPE_NULL)
@@ -149,17 +129,13 @@
IOCTL(FDTWADDLE, 0, TYPE_NULL)
IOCTL(FDEJECT, 0, TYPE_NULL)
-#ifdef FIBMAP
IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
-#endif
#ifdef FICLONE
IOCTL(FICLONE, IOC_W, TYPE_INT)
IOCTL(FICLONERANGE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_file_clone_range)))
#endif
-#ifdef FIGETBSZ
IOCTL(FIGETBSZ, IOC_R, MK_PTR(TYPE_LONG))
-#endif
#ifdef CONFIG_FIEMAP
IOCTL_SPECIAL(FS_IOC_FIEMAP, IOC_W | IOC_R, do_ioctl_fs_ioc_fiemap,
MK_PTR(MK_STRUCT(STRUCT_fiemap)))
diff --git a/linux-user/strace.c b/linux-user/strace.c
index 37bc96df9b..9ae5a812cd 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -1969,7 +1969,7 @@ print_execv(CPUArchState *cpu_env, const struct syscallname *name,
}
#endif
-#ifdef TARGET_NR_faccessat
+#if defined(TARGET_NR_faccessat) || defined(TARGET_NR_faccessat2)
static void
print_faccessat(CPUArchState *cpu_env, const struct syscallname *name,
abi_long arg0, abi_long arg1, abi_long arg2,
@@ -3383,10 +3383,10 @@ print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
unlock_user(p, arg2, 0);
} else {
- print_pointer(arg2, 1);
+ print_pointer(arg2, 0);
}
- print_raw_param("%u", arg3, 0);
+ print_raw_param("%u", arg3, 1);
print_syscall_epilogue(name);
}
#endif
diff --git a/linux-user/strace.list b/linux-user/strace.list
index a87415bf3d..3df2184580 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -178,6 +178,9 @@
#ifdef TARGET_NR_faccessat
{ TARGET_NR_faccessat, "faccessat" , NULL, print_faccessat, NULL },
#endif
+#ifdef TARGET_NR_faccessat2
+{ TARGET_NR_faccessat2, "faccessat2" , NULL, print_faccessat, NULL },
+#endif
#ifdef TARGET_NR_fadvise64
{ TARGET_NR_fadvise64, "fadvise64" , NULL, NULL, NULL },
#endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 2e954d8dbd..8402c1399d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -111,6 +111,31 @@
#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
#define FS_IOC32_GETVERSION _IOR('v', 1, int)
#define FS_IOC32_SETVERSION _IOW('v', 2, int)
+
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+#define BLKDISCARD _IO(0x12,119)
+#define BLKIOMIN _IO(0x12,120)
+#define BLKIOOPT _IO(0x12,121)
+#define BLKALIGNOFF _IO(0x12,122)
+#define BLKPBSZGET _IO(0x12,123)
+#define BLKDISCARDZEROES _IO(0x12,124)
+#define BLKSECDISCARD _IO(0x12,125)
+#define BLKROTATIONAL _IO(0x12,126)
+#define BLKZEROOUT _IO(0x12,127)
+
+#define FIBMAP _IO(0x00,1)
+#define FIGETBSZ _IO(0x00,2)
+
+struct file_clone_range {
+ __s64 src_fd;
+ __u64 src_offset;
+ __u64 src_length;
+ __u64 dest_offset;
+};
+
+#define FICLONE _IOW(0x94, 9, int)
+#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
+
#else
#include <linux/fs.h>
#endif
@@ -158,6 +183,7 @@
#include "qapi/error.h"
#include "fd-trans.h"
#include "tcg/tcg.h"
+#include "cpu_loop-common.h"
#ifndef CLONE_IO
#define CLONE_IO 0x80000000 /* Clone io context */
@@ -8144,6 +8170,33 @@ static int is_proc_myself(const char *filename, const char *entry)
return 0;
}
+static void excp_dump_file(FILE *logfile, CPUArchState *env,
+ const char *fmt, int code)
+{
+ if (logfile) {
+ CPUState *cs = env_cpu(env);
+
+ fprintf(logfile, fmt, code);
+ fprintf(logfile, "Failing executable: %s\n", exec_path);
+ cpu_dump_state(cs, logfile, 0);
+ open_self_maps(env, fileno(logfile));
+ }
+}
+
+void target_exception_dump(CPUArchState *env, const char *fmt, int code)
+{
+ /* dump to console */
+ excp_dump_file(stderr, env, fmt, code);
+
+ /* dump to log file */
+ if (qemu_log_separate()) {
+ FILE *logfile = qemu_log_trylock();
+
+ excp_dump_file(logfile, env, fmt, code);
+ qemu_log_unlock(logfile);
+ }
+}
+
#if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \
defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA)
static int is_proc(const char *filename, const char *entry)
@@ -8251,8 +8304,7 @@ static int do_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, int
};
if (is_proc_myself(pathname, "exe")) {
- int execfd = qemu_getauxval(AT_EXECFD);
- return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode);
+ return safe_openat(dirfd, exec_path, flags, mode);
}
for (fake_open = fakes; fake_open->filename; fake_open++) {
@@ -8679,16 +8731,21 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
#if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal)
case TARGET_NR_pidfd_send_signal:
{
- siginfo_t uinfo;
+ siginfo_t uinfo, *puinfo;
- p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
- if (!p) {
- return -TARGET_EFAULT;
+ if (arg3) {
+ p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ target_to_host_siginfo(&uinfo, p);
+ unlock_user(p, arg3, 0);
+ puinfo = &uinfo;
+ } else {
+ puinfo = NULL;
}
- target_to_host_siginfo(&uinfo, p);
- unlock_user(p, arg3, 0);
ret = get_errno(pidfd_send_signal(arg1, target_to_host_signal(arg2),
- &uinfo, arg4));
+ puinfo, arg4));
}
return ret;
#endif
@@ -8855,7 +8912,11 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
* before the execve completes and makes it the other
* program's problem.
*/
- ret = get_errno(safe_execve(p, argp, envp));
+ if (is_proc_myself(p, "exe")) {
+ ret = get_errno(safe_execve(exec_path, argp, envp));
+ } else {
+ ret = get_errno(safe_execve(p, argp, envp));
+ }
unlock_user(p, arg1, 0);
goto execve_end;
@@ -9110,6 +9171,15 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
unlock_user(p, arg2, 0);
return ret;
#endif
+#if defined(TARGET_NR_faccessat2)
+ case TARGET_NR_faccessat2:
+ if (!(p = lock_user_string(arg2))) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(faccessat(arg1, p, arg3, arg4));
+ unlock_user(p, arg2, 0);
+ return ret;
+#endif
#ifdef TARGET_NR_nice /* not on alpha */
case TARGET_NR_nice:
return get_errno(nice(arg1));
@@ -11793,7 +11863,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
return -host_to_target_errno(ret);
#endif
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
#ifdef TARGET_NR_fadvise64_64
case TARGET_NR_fadvise64_64:
@@ -11920,7 +11990,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
return get_errno(sys_gettid());
#ifdef TARGET_NR_readahead
case TARGET_NR_readahead:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
if (regpairs_aligned(cpu_env, num)) {
arg2 = arg3;
arg3 = arg4;
@@ -12612,7 +12682,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
#endif /* CONFIG_EVENTFD */
#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
case TARGET_NR_fallocate:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4),
target_offset64(arg5, arg6)));
#else
@@ -12623,7 +12693,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
#if defined(CONFIG_SYNC_FILE_RANGE)
#if defined(TARGET_NR_sync_file_range)
case TARGET_NR_sync_file_range:
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
#if defined(TARGET_MIPS)
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
target_offset64(arg5, arg6), arg7));
@@ -12645,7 +12715,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
case TARGET_NR_arm_sync_file_range:
#endif
/* This is like sync_file_range but the arguments are reordered */
-#if TARGET_ABI_BITS == 32
+#if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32)
ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
target_offset64(arg5, arg6), arg2));
#else
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-04 09:26:15 +0100