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from ptrace.cpu_info import (
CPU_POWERPC, CPU_INTEL, CPU_X86_64, CPU_I386, CPU_ARM)
CPU_INSTR_POINTER = None
CPU_STACK_POINTER = None
CPU_FRAME_POINTER = None
CPU_SUB_REGISTERS = {}
if CPU_POWERPC:
CPU_INSTR_POINTER = "nip"
# FIXME: Is it the right register?
CPU_STACK_POINTER = 'gpr1'
elif CPU_ARM:
CPU_INSTR_POINTER = 'r15'
CPU_STACK_POINTER = 'r14'
CPU_FRAME_POINTER = 'r11'
elif CPU_X86_64:
CPU_INSTR_POINTER = "rip"
CPU_STACK_POINTER = "rsp"
CPU_FRAME_POINTER = "rbp"
CPU_SUB_REGISTERS = {
# main register name, shift, mask
'al': ('rax', 0, 0xff),
'bl': ('rbx', 0, 0xff),
'cl': ('rcx', 0, 0xff),
'dl': ('rdx', 0, 0xff),
'ah': ('rax', 8, 0xff),
'bh': ('rbx', 8, 0xff),
'ch': ('rcx', 8, 0xff),
'dh': ('rdx', 8, 0xff),
'ax': ('rax', 0, 0xffff),
'bx': ('rbx', 0, 0xffff),
'cx': ('rcx', 0, 0xffff),
'dx': ('rdx', 0, 0xffff),
'eax': ('rax', 32, None),
'ebx': ('rbx', 32, None),
'ecx': ('rcx', 32, None),
'edx': ('rdx', 32, None),
}
elif CPU_I386:
CPU_INSTR_POINTER = "eip"
CPU_STACK_POINTER = "esp"
CPU_FRAME_POINTER = "ebp"
CPU_SUB_REGISTERS = {
'al': ('eax', 0, 0xff),
'bl': ('ebx', 0, 0xff),
'cl': ('ecx', 0, 0xff),
'dl': ('edx', 0, 0xff),
'ah': ('eax', 8, 0xff),
'bh': ('ebx', 8, 0xff),
'ch': ('ecx', 8, 0xff),
'dh': ('edx', 8, 0xff),
'ax': ('eax', 0, 0xffff),
'bx': ('ebx', 0, 0xffff),
'cx': ('ecx', 0, 0xffff),
'dx': ('edx', 0, 0xffff),
}
if CPU_INTEL:
CPU_SUB_REGISTERS.update({
'cf': ('eflags', 0, 1),
'pf': ('eflags', 2, 1),
'af': ('eflags', 4, 1),
'zf': ('eflags', 6, 1),
'sf': ('eflags', 7, 1),
'tf': ('eflags', 8, 1),
'if': ('eflags', 9, 1),
'df': ('eflags', 10, 1),
'of': ('eflags', 11, 1),
'iopl': ('eflags', 12, 2),
})
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