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 dacfcca16a0bf98ef7a9bc6b9c37669e1bc93f10..413e12c6c4a876b539010c4a96f70ff7650b3f06 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,15 @@
+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.

diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
index 0a3fbb3aa36afe9786716e0e98b7d94a539d9474..a1dcd5b19db836f8f51a4a1416a64676ded72554 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 0b068c3fc5f3a486bb353de174e617c7bd7a4d09..829d9b70111755f04565b3bc771a8e03169a70ba 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 a820e747b5b4292a92386c2a5dd40d6a6106c0ec..73e1271f5464ae9a87028a306d72117813977d5f 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 8847ad3e301f37de7cdadeb73c8aa336163ad777..86fe09e5d10302489694efe970249356af66e822 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 8832ef4ee51048648852fe84d8d256079b2f5d4c..dbd8f14a79a039c2dda0c0216694f7a78d0e3df0 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 9af0bdbbd01120b6f5337147d16f874ef101d8e3..3683edcdcd70a104710afdcb88bae75b4c267ae0 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 cf71cf3e5cb6635da4c26ea877c02656f557e8eb..ab20e788916466a287fef1729f8fb8da979998ac 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"));