struct target_ops *
x86_linux_create_target (void)
{
/* Fill in the generic GNU/Linux methods. */
struct target_ops *t = linux_target ();
/* Initialize the debug register function vectors. */
x86_use_watchpoints (t);
x86_dr_low.set_control = x86_linux_dr_set_control;
x86_dr_low.set_addr = x86_linux_dr_set_addr;
x86_dr_low.get_addr = x86_linux_dr_get_addr;
x86_dr_low.get_status = x86_linux_dr_get_status;
x86_dr_low.get_control = x86_linux_dr_get_control;
x86_set_debug_register_length (sizeof (void *));
/* Override the GNU/Linux inferior startup hook. */
super_post_startup_inferior = t->to_post_startup_inferior;
t->to_post_startup_inferior = x86_linux_child_post_startup_inferior;
/* Add the description reader. */
t->to_read_description = x86_linux_read_description;
/* Add btrace methods. */
t->to_supports_btrace = linux_supports_btrace;
t->to_enable_btrace = x86_linux_enable_btrace;
t->to_disable_btrace = x86_linux_disable_btrace;
t->to_teardown_btrace = x86_linux_teardown_btrace;
t->to_read_btrace = x86_linux_read_btrace;
t->to_btrace_conf = x86_linux_btrace_conf;
return t;
}
void
_initialize_i386gnu_nat (void)
{
struct target_ops *t;
/* Fill in the generic GNU/Hurd methods. */
t = gnu_target ();
#ifdef i386_DEBUG_STATE
x86_use_watchpoints (t);
x86_dr_low.set_control = i386_gnu_dr_set_control;
gdb_assert (DR_FIRSTADDR == 0 && DR_LASTADDR < i386_DEBUG_STATE_COUNT);
x86_dr_low.set_addr = i386_gnu_dr_set_addr;
x86_dr_low.get_addr = i386_gnu_dr_get_addr;
x86_dr_low.get_status = i386_gnu_dr_get_status;
x86_dr_low.get_control = i386_gnu_dr_get_control;
x86_set_debug_register_length (4);
#endif /* i386_DEBUG_STATE */
t->to_fetch_registers = gnu_fetch_registers;
t->to_store_registers = gnu_store_registers;
/* Register the target. */
add_target (t);
}
void
darwin_complete_target (struct target_ops *target)
{
#ifdef BFD64
amd64_native_gregset64_reg_offset = amd64_darwin_thread_state_reg_offset;
amd64_native_gregset64_num_regs = amd64_darwin_thread_state_num_regs;
amd64_native_gregset32_reg_offset = i386_darwin_thread_state_reg_offset;
amd64_native_gregset32_num_regs = i386_darwin_thread_state_num_regs;
#endif
x86_use_watchpoints (target);
x86_dr_low.set_control = i386_darwin_dr_set_control;
x86_dr_low.set_addr = i386_darwin_dr_set_addr;
x86_dr_low.get_addr = i386_darwin_dr_get_addr;
x86_dr_low.get_status = i386_darwin_dr_get_status;
x86_dr_low.get_control = i386_darwin_dr_get_control;
/* Let's assume that the kernel is 64 bits iff the executable is. */
#ifdef __x86_64__
x86_set_debug_register_length (8);
#else
x86_set_debug_register_length (4);
#endif
target->to_fetch_registers = i386_darwin_fetch_inferior_registers;
target->to_store_registers = i386_darwin_store_inferior_registers;
}
void
_initialize_i386fbsd_nat (void)
{
struct target_ops *t;
/* Add some extra features to the common *BSD/i386 target. */
t = i386bsd_target ();
#ifdef HAVE_PT_GETDBREGS
x86_use_watchpoints (t);
x86_dr_low.set_control = i386bsd_dr_set_control;
x86_dr_low.set_addr = i386bsd_dr_set_addr;
x86_dr_low.get_addr = i386bsd_dr_get_addr;
x86_dr_low.get_status = i386bsd_dr_get_status;
x86_dr_low.get_control = i386bsd_dr_get_control;
x86_set_debug_register_length (4);
#endif /* HAVE_PT_GETDBREGS */
t->to_resume = i386fbsd_resume;
t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
t->to_find_memory_regions = fbsd_find_memory_regions;
t->to_make_corefile_notes = fbsd_make_corefile_notes;
add_target (t);
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (i386fbsd_supply_pcb);
/* FreeBSD provides a kern.ps_strings sysctl that we can use to
locate the sigtramp. That way we can still recognize a sigtramp
if its location is changed in a new kernel. Of course this is
still based on the assumption that the sigtramp is placed
directly under the location where the program arguments and
environment can be found. */
#ifdef KERN_PS_STRINGS
{
int mib[2];
u_long ps_strings;
size_t len;
mib[0] = CTL_KERN;
mib[1] = KERN_PS_STRINGS;
len = sizeof (ps_strings);
if (sysctl (mib, 2, &ps_strings, &len, NULL, 0) == 0)
{
i386fbsd_sigtramp_start_addr = ps_strings - 128;
i386fbsd_sigtramp_end_addr = ps_strings;
}
}
#endif
}
void
_initialize_amd64dfly_nat (void)
{
struct target_ops *t;
int offset;
amd64_native_gregset32_reg_offset = amd64dfly32_r_reg_offset;
amd64_native_gregset64_reg_offset = amd64dfly64_r_reg_offset;
/* Add some extra features to the common *BSD/x86 target. */
t = amd64bsd_target ();
#ifdef HAVE_PT_GETDBREGS
x86_use_watchpoints (t);
x86_dr_low.set_control = amd64bsd_dr_set_control;
x86_dr_low.set_addr = amd64bsd_dr_set_addr;
x86_dr_low.get_addr = amd64bsd_dr_get_addr;
x86_dr_low.get_status = amd64bsd_dr_get_status;
x86_dr_low.get_control = amd64bsd_dr_get_control;
x86_set_debug_register_length (8);
#endif /* HAVE_PT_GETDBREGS */
super_mourn_inferior = t->to_mourn_inferior;
t->to_mourn_inferior = amd64dfly_mourn_inferior;
t->to_read_description = amd64fbsd_read_description;
t->to_pid_to_exec_file = fbsd_pid_to_exec_file;
t->to_find_memory_regions = fbsd_find_memory_regions;
add_target (t);
#ifdef DFLY_PCB_SUPPLY
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (amd64dfly_supply_pcb);
#endif
/* To support the recognition of signal handlers, i386bsd-tdep.c
hardcodes some constants. Inclusion of this file means that we
are compiling a native debugger, which means that we can use the
system header files and sysctl(3) to get at the relevant
information. */
#define SC_REG_OFFSET amd64dfly_sc_reg_offset
/* We only check the program counter, stack pointer and frame
pointer since these members of `struct sigcontext' are essential
for providing backtraces. */
#define SC_RIP_OFFSET SC_REG_OFFSET[AMD64_RIP_REGNUM]
#define SC_RSP_OFFSET SC_REG_OFFSET[AMD64_RSP_REGNUM]
#define SC_RBP_OFFSET SC_REG_OFFSET[AMD64_RBP_REGNUM]
/* Override the default value for the offset of the program counter
in the sigcontext structure. */
offset = offsetof (struct sigcontext, sc_rip);
if (SC_RIP_OFFSET != offset)
{
warning (_("\
offsetof (struct sigcontext, sc_rip) yields %d instead of %d.\n\
Please report this to <*****@*****.**>."),
offset, SC_RIP_OFFSET);
}
