--- i386-linux-tdep.c | 14 +++++++++++ linux-record.c | 64 ++++++++++++++++++++++++++---------------------------- linux-record.h | 7 +++++ 3 files changed, 52 insertions(+), 33 deletions(-) --- a/i386-linux-tdep.c +++ b/i386-linux-tdep.c @@ -586,6 +586,14 @@ static int i386_linux_sc_reg_offset[] = #define I386_LINUX_RECORD_IOCTL_TIOCSHAYESESP 0x545F #define I386_LINUX_RECORD_IOCTL_FIOQSIZE 0x5460 +/* The values of the second argument of system call "sys_fcntl" + and "sys_fcntl64". The values of these macros were obtained from + Linux Kernel source. */ +#define I386_LINUX_RECORD_FCNTL_F_GETLK 5 +#define I386_LINUX_RECORD_FCNTL_F_GETLK64 12 +#define I386_LINUX_RECORD_FCNTL_F_SETLK64 13 +#define I386_LINUX_RECORD_FCNTL_F_SETLKW64 14 + static void i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { @@ -783,6 +791,12 @@ i386_linux_init_abi (struct gdbarch_info I386_LINUX_RECORD_IOCTL_TIOCSHAYESESP; i386_linux_record_tdep.ioctl_FIOQSIZE = I386_LINUX_RECORD_IOCTL_FIOQSIZE; + i386_linux_record_tdep.fcntl_F_GETLK = I386_LINUX_RECORD_FCNTL_F_GETLK; + i386_linux_record_tdep.fcntl_F_GETLK64 = I386_LINUX_RECORD_FCNTL_F_GETLK64; + i386_linux_record_tdep.fcntl_F_SETLK64 = I386_LINUX_RECORD_FCNTL_F_SETLK64; + i386_linux_record_tdep.fcntl_F_SETLKW64 = + I386_LINUX_RECORD_FCNTL_F_SETLKW64; + i386_linux_record_tdep.arg1 = I386_EBX_REGNUM; i386_linux_record_tdep.arg2 = I386_ECX_REGNUM; i386_linux_record_tdep.arg3 = I386_EDX_REGNUM; --- a/linux-record.c +++ b/linux-record.c @@ -393,8 +393,8 @@ record_linux_system_call (int num, struc else { printf_unfiltered (_("Process record and replay target doesn't " - "support ioctl request 0x%08x.\n"), - tmpu32); + "support ioctl request 0x%s.\n"), + phex_nz (tmpu32, 4)); return 1; } break; @@ -404,7 +404,7 @@ record_linux_system_call (int num, struc /* XXX */ regcache_raw_read (regcache, tdep->arg2, (gdb_byte *) & tmpu32); sys_fcntl: - if (tmpu32 == F_GETLK) + if (tmpu32 == tdep->fcntl_F_GETLK) { regcache_raw_read (regcache, tdep->arg3, (gdb_byte *) & tmpu32); @@ -546,7 +546,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading memory " - "at addr = 0x%s len = %d.\n", + "at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (sel)); return -1; @@ -623,10 +623,10 @@ record_linux_system_call (int num, struc target_terminal_ours (); q = yquery (_("The next instruction is syscall munmap. " - "It will free the memory addr = 0x%s len = %d. " + "It will free the memory addr = 0x%s len = %u. " "It will make record target get error. " "Do you want to stop the program?"), - paddr_nz (tmpu32), len); + paddr_nz (tmpu32), (int)len); target_terminal_inferior (); if (q) return 1; @@ -686,7 +686,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -711,7 +711,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -736,7 +736,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -750,7 +750,7 @@ record_linux_system_call (int num, struc fprintf_unfiltered (gdb_stdlog, "Process record: error reading " "memory at addr = 0x%s " - "len = %d.\n", + "len = %u.\n", paddr_nz (a[2]), (int) sizeof (a[2])); return -1; @@ -773,7 +773,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -787,7 +787,7 @@ record_linux_system_call (int num, struc fprintf_unfiltered (gdb_stdlog, "Process record: error reading " "memory at addr = 0x%s " - "len = %d.\n", + "len = %u.\n", paddr_nz (a[2]), (int) sizeof (a[2])); return -1; @@ -819,7 +819,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -833,7 +833,7 @@ record_linux_system_call (int num, struc fprintf_unfiltered (gdb_stdlog, "Process record: error reading " "memory at addr = 0x%s " - "len = %d.\n", + "len = %u.\n", paddr_nz (a[4]), (int) sizeof (av)); return -1; @@ -876,7 +876,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (tmpu32), (int) sizeof (a)); return -1; @@ -892,7 +892,7 @@ record_linux_system_call (int num, struc fprintf_unfiltered (gdb_stdlog, "Process record: error reading " "memory at addr = 0x%s " - "len = %d.\n", + "len = %u.\n", paddr_nz (a[1]), (int) sizeof (rec)); return -1; @@ -916,7 +916,7 @@ record_linux_system_call (int num, struc "Process record: error " "reading memory at " "addr = 0x%s " - "len = %d.\n", + "len = %u.\n", paddr_nz (rec. msg_iov), (int) sizeof (iov)); @@ -934,8 +934,8 @@ record_linux_system_call (int num, struc break; default: printf_unfiltered (_("Process record and replay target " - "doesn't support socketcall call 0x%08x\n"), - tmpu32); + "doesn't support socketcall call 0x%s\n"), + phex_nz (tmpu32, 4)); return -1; break; } @@ -1233,7 +1233,7 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading " - "memory at addr = 0x%s len = %d.\n", + "memory at addr = 0x%s len = %u.\n", paddr_nz (vec), (int) sizeof (struct record_iovec)); return -1; @@ -1631,20 +1631,17 @@ record_linux_system_call (int num, struc /* sys_fcntl64 */ case 221: regcache_raw_read (regcache, tdep->arg2, (gdb_byte *) & tmpu32); - switch (tmpu32) - { - case F_GETLK64: + if (tmpu32 == tdep->fcntl_F_GETLK64) + { regcache_raw_read (regcache, tdep->arg3, (gdb_byte *) & tmpu32); if (record_arch_list_add_mem (tmpu32, tdep->size_flock64)) return -1; - break; - case F_SETLK64: - case F_SETLKW64: - break; - default: + } + else if (tmpu32 != tdep->fcntl_F_SETLK64 + && tmpu32 != tdep->fcntl_F_SETLKW64) + { goto sys_fcntl; - break; } break; @@ -1785,8 +1782,9 @@ record_linux_system_call (int num, struc if (record_debug) fprintf_unfiltered (gdb_stdlog, "Process record: error reading memory " - "at addr = 0x%s len = %d.\n", - paddr_nz (tmpu32), nr * tdep->size_int); + "at addr = 0x%s len = %u.\n", + paddr_nz (tmpu32), + (int)(nr * tdep->size_int)); return -1; } for (i = 0; i < nr; i++) @@ -2195,8 +2193,8 @@ record_linux_system_call (int num, struc default: printf_unfiltered (_("Process record and replay target doesn't " - "support syscall number 0x%08x\n"), - tmpu32); + "support syscall number %u\n"), + (int)tmpu32); return -1; break; } --- a/linux-record.h +++ b/linux-record.h @@ -158,6 +158,13 @@ struct linux_record_tdep int ioctl_TIOCSHAYESESP; int ioctl_FIOQSIZE; + /* The values of the second argument of system call "sys_fcntl" + and "sys_fcntl64". */ + int fcntl_F_GETLK; + int fcntl_F_GETLK64; + int fcntl_F_SETLK64; + int fcntl_F_SETLKW64; + /* The number of the registers that are used as the arguments of a system call. */ int arg1;