2009-09-21 Hui Zhu <teawater@gmail.com>
Michael Snyder <msnyder@vmware.com> * amd64-linux-tdep.c (amd64_all_but_ip_registers_record): New function. (amd64_linux_syscall_record): Call amd64_all_but_ip_registers_record if syscall is sys_rt_sigreturn. (AMD64_LINUX_redzone, AMD64_LINUX_xstate, AMD64_LINUX_frame_size): New macros. (amd64_linux_record_signal): New function. (amd64_linux_init_abi): Call set_gdbarch_process_record_signal.
This commit is contained in:
Hui Zhu
parent
8a2e0e28d0
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cdfbdf303d
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@ -1,3 +1,16 @@
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2009-09-21 Hui Zhu <teawater@gmail.com>
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Michael Snyder <msnyder@vmware.com>
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* amd64-linux-tdep.c (amd64_all_but_ip_registers_record): New
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function.
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(amd64_linux_syscall_record): Call
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amd64_all_but_ip_registers_record if syscall is
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sys_rt_sigreturn.
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(AMD64_LINUX_redzone, AMD64_LINUX_xstate,
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AMD64_LINUX_frame_size): New macros.
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(amd64_linux_record_signal): New function.
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(amd64_linux_init_abi): Call set_gdbarch_process_record_signal.
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2009-09-21 Hui Zhu <teawater@gmail.com>
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Michael Snyder <msnyder@vmware.com>
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@ -289,16 +289,48 @@ amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
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regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
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}
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/* Parse the arguments of current system call instruction and record
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the values of the registers and memory that will be changed into
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"record_arch_list". This instruction is "syscall".
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/* Record all registers but IP register for process-record. */
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Return -1 if something wrong. */
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static int
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amd64_all_but_ip_registers_record (struct regcache *regcache)
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{
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if (record_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
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return -1;
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static struct linux_record_tdep amd64_linux_record_tdep;
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#define RECORD_ARCH_GET_FS 0x1003
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#define RECORD_ARCH_GET_GS 0x1004
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return 0;
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}
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/* amd64_canonicalize_syscall maps from the native amd64 Linux set
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of syscall ids into a canonical set of syscall ids used by
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@ -1111,6 +1143,17 @@ amd64_canonicalize_syscall (enum amd64_syscall syscall)
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}
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}
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/* Parse the arguments of current system call instruction and record
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the values of the registers and memory that will be changed into
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"record_arch_list". This instruction is "syscall".
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Return -1 if something wrong. */
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static struct linux_record_tdep amd64_linux_record_tdep;
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#define RECORD_ARCH_GET_FS 0x1003
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#define RECORD_ARCH_GET_GS 0x1004
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static int
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amd64_linux_syscall_record (struct regcache *regcache)
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{
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@ -1120,27 +1163,39 @@ amd64_linux_syscall_record (struct regcache *regcache)
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regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
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syscall_gdb = amd64_canonicalize_syscall (syscall_native);
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if (syscall_native == amd64_sys_arch_prctl)
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switch (syscall_native)
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{
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ULONGEST arg3;
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case amd64_sys_rt_sigreturn:
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if (amd64_all_but_ip_registers_record (regcache))
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return -1;
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return 0;
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break;
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regcache_raw_read_unsigned (regcache, amd64_linux_record_tdep.arg3,
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&arg3);
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if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
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{
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CORE_ADDR addr;
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case amd64_sys_arch_prctl:
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if (syscall_native == amd64_sys_arch_prctl)
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{
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ULONGEST arg3;
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regcache_raw_read_unsigned (regcache, amd64_linux_record_tdep.arg2,
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&addr);
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if (record_arch_list_add_mem (addr,
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amd64_linux_record_tdep.size_ulong))
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return -1;
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}
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goto record_regs;
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regcache_raw_read_unsigned (regcache, amd64_linux_record_tdep.arg3,
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&arg3);
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if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
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{
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CORE_ADDR addr;
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regcache_raw_read_unsigned (regcache,
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amd64_linux_record_tdep.arg2,
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&addr);
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if (record_arch_list_add_mem (addr,
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amd64_linux_record_tdep.size_ulong))
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return -1;
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}
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goto record_regs;
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}
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break;
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}
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syscall_gdb = amd64_canonicalize_syscall (syscall_native);
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if (syscall_gdb < 0)
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{
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printf_unfiltered (_("Process record and replay target doesn't "
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@ -1163,6 +1218,44 @@ amd64_linux_syscall_record (struct regcache *regcache)
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if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
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return -1;
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return 0;
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}
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#define AMD64_LINUX_redzone 128
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#define AMD64_LINUX_xstate 512
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#define AMD64_LINUX_frame_size 560
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int
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amd64_linux_record_signal (struct gdbarch *gdbarch,
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struct regcache *regcache,
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enum target_signal signal)
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{
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ULONGEST rsp;
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if (amd64_all_but_ip_registers_record (regcache))
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return -1;
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if (record_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
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return -1;
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/* Record the change in the stack. */
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regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
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/* redzone
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sp -= 128; */
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rsp -= AMD64_LINUX_redzone;
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/* This is for xstate.
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sp -= sizeof (struct _fpstate); */
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rsp -= AMD64_LINUX_xstate;
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/* This is for frame_size.
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sp -= sizeof (struct rt_sigframe); */
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rsp -= AMD64_LINUX_frame_size;
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if (record_arch_list_add_mem (rsp, AMD64_LINUX_redzone
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+ AMD64_LINUX_xstate
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+ AMD64_LINUX_frame_size))
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return -1;
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if (record_arch_list_add_end ())
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return -1;
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return 0;
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}
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@ -1218,6 +1311,7 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
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set_gdbarch_process_record (gdbarch, i386_process_record);
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set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
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/* Initialize the amd64_linux_record_tdep. */
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/* These values are the size of the type that will be used in a system
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