gdb/linux-record: Support time, waitpid, pipe syscalls

gdb/ChangeLog:

	* aarch64-linux-tdep.c (aarch64_linux_init_abi): Add size_time_t.
	* amd64-linux-tdep.c (amd64_linux_init_abi): Add size_time_t.
	(amd64_x32_linux_init_abi): Add size_time_t.
	* arm-linux-tdep.c (arm_linux_init_abi): Add size_time_t.
	* i386-linux-tdep.c (i386_linux_init_abi): Add size_time_t.
	* linux-record.c (record_linux_system_call): Add time, waitpid, pipe
	handling.
	* linux-record.h (struct linux_record_tdep): Add size_time_t.
	* ppc-linux-tdep.c (ppc_init_linux_record_tdep): Add size_time_t.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dacfcca..413e12c 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,17 @@
 2015-10-30  Marcin Kościelnicki  <koriakin@0x04.net>
 
+       * aarch64-linux-tdep.c (aarch64_linux_init_abi): Add size_time_t.
+       * amd64-linux-tdep.c (amd64_linux_init_abi): Add size_time_t.
+       (amd64_x32_linux_init_abi): Add size_time_t.
+       * arm-linux-tdep.c (arm_linux_init_abi): Add size_time_t.
+       * i386-linux-tdep.c (i386_linux_init_abi): Add size_time_t.
+       * linux-record.c (record_linux_system_call): Add time, waitpid, pipe
+       handling.
+       * linux-record.h (struct linux_record_tdep): Add size_time_t.
+       * ppc-linux-tdep.c (ppc_init_linux_record_tdep): Add size_time_t.
+
+2015-10-30  Marcin Kościelnicki  <koriakin@0x04.net>
+
        * linux-record.c (record_linux_msghdr): Fix msg_namelen handling.
 
 2015-10-30  Marcin Kościelnicki  <koriakin@0x04.net>

diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
index 0a3fbb3..a1dcd5b 100644 (file)
--- a/gdb/aarch64-linux-tdep.c
+++ b/gdb/aarch64-linux-tdep.c
@@ -1062,6 +1062,7 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   aarch64_linux_record_tdep.size_hayes_esp_config = 12;
   aarch64_linux_record_tdep.size_size_t = 8;
   aarch64_linux_record_tdep.size_iovec = 16;
+  aarch64_linux_record_tdep.size_time_t = 8;
 
   /* These values are the second argument of system call "sys_ioctl".
      They are obtained from Linux Kernel source.  */

diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index 0b068c3..829d9b7 100644 (file)
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1959,6 +1959,7 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   amd64_linux_record_tdep.size_hayes_esp_config = 12;
   amd64_linux_record_tdep.size_size_t = 8;
   amd64_linux_record_tdep.size_iovec = 16;
+  amd64_linux_record_tdep.size_time_t = 8;
 
   /* These values are the second argument of system call "sys_fcntl"
      and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
@@ -2175,6 +2176,7 @@ amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
   amd64_x32_linux_record_tdep.size_size_t = 8;
   amd64_x32_linux_record_tdep.size_iovec = 16;
+  amd64_x32_linux_record_tdep.size_time_t = 8;
 
   /* These values are the second argument of system call "sys_fcntl"
      and "sys_fcntl64".  They are obtained from Linux Kernel source.  */

diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c
index a820e74..73e1271 100644 (file)
--- a/gdb/arm-linux-tdep.c
+++ b/gdb/arm-linux-tdep.c
@@ -1550,6 +1550,7 @@ arm_linux_init_abi (struct gdbarch_info info,
   arm_linux_record_tdep.size_hayes_esp_config = 12;
   arm_linux_record_tdep.size_size_t = 4;
   arm_linux_record_tdep.size_iovec = 8;
+  arm_linux_record_tdep.size_time_t = 4;
 
   /* These values are the second argument of system call "sys_ioctl".
      They are obtained from Linux Kernel source.  */

diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
index 8847ad3..86fe09e 100644 (file)
--- a/gdb/i386-linux-tdep.c
+++ b/gdb/i386-linux-tdep.c
@@ -869,6 +869,7 @@ i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   i386_linux_record_tdep.size_hayes_esp_config = 12;
   i386_linux_record_tdep.size_size_t = 4;
   i386_linux_record_tdep.size_iovec = 8;
+  i386_linux_record_tdep.size_time_t = 4;
 
   /* These values are the second argument of system call "sys_ioctl".
      They are obtained from Linux Kernel source.  */

diff --git a/gdb/linux-record.c b/gdb/linux-record.c
index 8832ef4..dbd8f14 100644 (file)
--- a/gdb/linux-record.c
+++ b/gdb/linux-record.c
@@ -272,13 +272,31 @@ record_linux_system_call (enum gdb_syscall syscall,
     case gdb_sys_write:
     case gdb_sys_open:
     case gdb_sys_close:
+      break;
+
     case gdb_sys_waitpid:
+      regcache_raw_read_unsigned (regcache, tdep->arg2, &tmpulongest);
+      if (tmpulongest)
+        if (record_full_arch_list_add_mem ((CORE_ADDR) tmpulongest,
+                                          tdep->size_int))
+          return -1;
+      break;
+
     case gdb_sys_creat:
     case gdb_sys_link:
     case gdb_sys_unlink:
     case gdb_sys_execve:
     case gdb_sys_chdir:
+      break;
+
     case gdb_sys_time:
+      regcache_raw_read_unsigned (regcache, tdep->arg1, &tmpulongest);
+      if (tmpulongest)
+        if (record_full_arch_list_add_mem ((CORE_ADDR) tmpulongest,
+                                          tdep->size_time_t))
+          return -1;
+      break;
+
     case gdb_sys_mknod:
     case gdb_sys_chmod:
     case gdb_sys_lchown16:
@@ -330,7 +348,12 @@ record_linux_system_call (enum gdb_syscall syscall,
     case gdb_sys_mkdir:
     case gdb_sys_rmdir:
     case gdb_sys_dup:
+      break;
+
     case gdb_sys_pipe:
+      regcache_raw_read_unsigned (regcache, tdep->arg1, &tmpulongest);
+      if (record_full_arch_list_add_mem ((CORE_ADDR) tmpulongest,
+                                        tdep->size_int * 2))
       break;
 
     case gdb_sys_times:

diff --git a/gdb/linux-record.h b/gdb/linux-record.h
index 9af0bdb..3683edc 100644 (file)
--- a/gdb/linux-record.h
+++ b/gdb/linux-record.h
@@ -89,6 +89,7 @@ struct linux_record_tdep
   int size_hayes_esp_config;
   int size_size_t;
   int size_iovec;
+  int size_time_t;
 
   /* The values of the second argument of system call "sys_ioctl".  */
   int ioctl_TCGETS;

diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
index cf71cf3..ab20e78 100644 (file)
--- a/gdb/ppc-linux-tdep.c
+++ b/gdb/ppc-linux-tdep.c
@@ -1479,6 +1479,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_serial_icounter_struct = 80;
       record_tdep->size_size_t = 8;
       record_tdep->size_iovec = 16;
+      record_tdep->size_time_t = 8;
     }
   else if (wordsize == 4)
     {
@@ -1545,6 +1546,7 @@ ppc_init_linux_record_tdep (struct linux_record_tdep *record_tdep,
       record_tdep->size_serial_icounter_struct = 80;
       record_tdep->size_size_t = 4;
       record_tdep->size_iovec = 8;
+      record_tdep->size_time_t = 4;
     }
   else
     internal_error (__FILE__, __LINE__, _("unexpected wordsize"));