2 * These register names and offsets correspond to definitions in
3 * compiler/x86/vm.lisp. They map into accessors in the OS-dependent
4 * POSIX signal context structure os_context_t via the
5 * os_context_register_addr(..) OS-dependent function.
9 * This software is part of the SBCL system. See the README file for
12 * This software is derived from the CMU CL system, which was
13 * written at Carnegie Mellon University and released into the
14 * public domain. The software is in the public domain and is
15 * provided with absolutely no warranty. See the COPYING and CREDITS
16 * files for more information.
19 /* the number of registers visible as registers in the virtual machine
20 * (excludes stuff like segment registers) */
23 #ifdef LANGUAGE_ASSEMBLY
24 #define REG(num) $ ## num
29 #define reg_RAX REG( 0)
30 #define reg_RCX REG( 2)
31 #define reg_RDX REG( 4)
32 #define reg_RBX REG( 6)
33 #define reg_RSP REG( 8)
34 #define reg_RBP REG(10)
35 #define reg_RSI REG(12)
36 #define reg_RDI REG(14)
37 #define reg_R8 REG(16)
38 #define reg_R9 REG(18)
39 #define reg_R10 REG(20)
40 #define reg_R11 REG(22)
41 #define reg_R12 REG(24)
42 #define reg_R13 REG(26)
43 #define reg_R14 REG(28)
44 #define reg_R15 REG(30)
46 #define REGNAMES "RAX", "RCX", "RDX", "RBX", "RSP", "RBP", "RSI", "RDI", \
47 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
49 /* classification of registers
51 * reg_SP = the register used by Lisp as stack pointer
52 * reg_FP = the register used by Lisp as frame pointer
54 * the registers which may contain Lisp object pointers */
55 #define reg_SP reg_RSP
56 #define reg_FP reg_RBP
57 #define BOXED_REGISTERS {\
58 reg_RAX, reg_RCX, reg_RDX, reg_RBX, reg_RSI, reg_RDI \