diff options
| -rw-r--r-- | linux-user/qemu.h | 35 | ||||
| -rw-r--r-- | linux-user/strace.c | 47 | ||||
| -rw-r--r-- | linux-user/strace.list | 10 | ||||
| -rw-r--r-- | linux-user/syscall.c | 32 |
4 files changed, 87 insertions, 37 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h index 63ddfe86fd..f431805e57 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -706,6 +706,41 @@ static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) } #endif /* TARGET_ABI_BITS != 32 */ + +/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ +#ifdef TARGET_ARM +static inline int regpairs_aligned(void *cpu_env, int num) +{ + return ((((CPUARMState *)cpu_env)->eabi) == 1) ; +} +#elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) +static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } +#elif defined(TARGET_PPC) && !defined(TARGET_PPC64) +/* + * SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs + * of registers which translates to the same as ARM/MIPS, because we start with + * r3 as arg1 + */ +static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } +#elif defined(TARGET_SH4) +/* SH4 doesn't align register pairs, except for p{read,write}64 */ +static inline int regpairs_aligned(void *cpu_env, int num) +{ + switch (num) { + case TARGET_NR_pread64: + case TARGET_NR_pwrite64: + return 1; + + default: + return 0; + } +} +#elif defined(TARGET_XTENSA) +static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } +#else +static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } +#endif + /** * preexit_cleanup: housekeeping before the guest exits * diff --git a/linux-user/strace.c b/linux-user/strace.c index 2dcc15496a..31c7be24eb 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -1962,6 +1962,53 @@ print_lseek(void *cpu_env, const struct syscallname *name, } #endif +#ifdef TARGET_NR_truncate +static void +print_truncate(void *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_string(arg0, 0); + print_raw_param(TARGET_ABI_FMT_ld, arg1, 1); + print_syscall_epilogue(name); +} +#endif + +#ifdef TARGET_NR_truncate64 +static void +print_truncate64(void *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_string(arg0, 0); + if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { + arg1 = arg2; + arg2 = arg3; + } + print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1); + print_syscall_epilogue(name); +} +#endif + +#ifdef TARGET_NR_ftruncate64 +static void +print_ftruncate64(void *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_raw_param("%d", arg0, 0); + if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { + arg1 = arg2; + arg2 = arg3; + } + print_raw_param("%" PRIu64, target_offset64(arg1, arg2), 1); + print_syscall_epilogue(name); +} +#endif + #if defined(TARGET_NR_socket) static void print_socket(void *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index a04706a524..8e5303d035 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -258,10 +258,10 @@ { TARGET_NR_ftime, "ftime" , NULL, NULL, NULL }, #endif #ifdef TARGET_NR_ftruncate -{ TARGET_NR_ftruncate, "ftruncate" , NULL, NULL, NULL }, +{ TARGET_NR_ftruncate, "ftruncate" , "%s(%d," TARGET_ABI_FMT_ld ")", NULL, NULL }, #endif #ifdef TARGET_NR_ftruncate64 -{ TARGET_NR_ftruncate64, "ftruncate64" , NULL, NULL, NULL }, +{ TARGET_NR_ftruncate64, "ftruncate64" , NULL, print_ftruncate64, NULL }, #endif #ifdef TARGET_NR_futex { TARGET_NR_futex, "futex" , NULL, print_futex, NULL }, @@ -372,7 +372,7 @@ { TARGET_NR_getrusage, "getrusage" , NULL, NULL, NULL }, #endif #ifdef TARGET_NR_getsid -{ TARGET_NR_getsid, "getsid" , NULL, NULL, NULL }, +{ TARGET_NR_getsid, "getsid" , "%s(%d)", NULL, NULL }, #endif #ifdef TARGET_NR_getsockname { TARGET_NR_getsockname, "getsockname" , NULL, NULL, NULL }, @@ -1535,10 +1535,10 @@ { TARGET_NR_tkill, "tkill" , NULL, print_tkill, NULL }, #endif #ifdef TARGET_NR_truncate -{ TARGET_NR_truncate, "truncate" , NULL, NULL, NULL }, +{ TARGET_NR_truncate, "truncate" , NULL, print_truncate, NULL }, #endif #ifdef TARGET_NR_truncate64 -{ TARGET_NR_truncate64, "truncate64" , NULL, NULL, NULL }, +{ TARGET_NR_truncate64, "truncate64" , NULL, print_truncate64, NULL }, #endif #ifdef TARGET_NR_tuxcall { TARGET_NR_tuxcall, "tuxcall" , NULL, NULL, NULL }, diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 42107f37e3..ec7192112e 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -495,38 +495,6 @@ static inline int next_free_host_timer(void) } #endif -/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ -#ifdef TARGET_ARM -static inline int regpairs_aligned(void *cpu_env, int num) -{ - return ((((CPUARMState *)cpu_env)->eabi) == 1) ; -} -#elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) -static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } -#elif defined(TARGET_PPC) && !defined(TARGET_PPC64) -/* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs - * of registers which translates to the same as ARM/MIPS, because we start with - * r3 as arg1 */ -static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } -#elif defined(TARGET_SH4) -/* SH4 doesn't align register pairs, except for p{read,write}64 */ -static inline int regpairs_aligned(void *cpu_env, int num) -{ - switch (num) { - case TARGET_NR_pread64: - case TARGET_NR_pwrite64: - return 1; - - default: - return 0; - } -} -#elif defined(TARGET_XTENSA) -static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } -#else -static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } -#endif - #define ERRNO_TABLE_SIZE 1200 /* target_to_host_errno_table[] is initialized from |