1 //===-- RegisterInfos_i386.h -----------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===---------------------------------------------------------------------===//
9 #include "llvm/Support/Compiler.h"
13 #ifdef DECLARE_REGISTER_INFOS_I386_STRUCT
15 // Computes the offset of the given GPR in the user data area.
16 #define GPR_OFFSET(regname) \
17 (LLVM_EXTENSION offsetof(GPR, regname))
19 // Computes the offset of the given FPR in the extended data area.
20 #define FPR_OFFSET(regname) \
21 (LLVM_EXTENSION offsetof(FPR, xstate) + \
22 LLVM_EXTENSION offsetof(FXSAVE, regname))
24 // Computes the offset of the YMM register assembled from register halves.
25 #define YMM_OFFSET(regname) \
26 (LLVM_EXTENSION offsetof(YMM, regname))
28 // Number of bytes needed to represent a FPR.
29 #if !defined(FPR_SIZE)
30 #define FPR_SIZE(reg) sizeof(((FXSAVE*)NULL)->reg)
33 // Number of bytes needed to represent the i'th FP register.
34 #define FP_SIZE sizeof(((MMSReg*)NULL)->bytes)
36 // Number of bytes needed to represent an XMM register.
37 #define XMM_SIZE sizeof(XMMReg)
39 // Number of bytes needed to represent a YMM register.
40 #define YMM_SIZE sizeof(YMMReg)
42 // Note that the size and offset will be updated by platform-specific classes.
43 #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \
44 { #reg, alt, sizeof(((GPR*)NULL)->reg), GPR_OFFSET(reg), eEncodingUint, \
45 eFormatHex, { kind1, kind2, kind3, kind4, lldb_##reg##_i386 }, NULL, NULL }
47 #define DEFINE_FPR(name, reg, kind1, kind2, kind3, kind4) \
48 { #name, NULL, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, \
49 eFormatHex, { kind1, kind2, kind3, kind4, lldb_##name##_i386 }, NULL, NULL }
51 // RegisterKind: GCC, DWARF, Generic, GDB, LLDB
53 #define DEFINE_FP_ST(reg, i) \
54 { #reg#i, NULL, FP_SIZE, LLVM_EXTENSION FPR_OFFSET(stmm[i]), \
55 eEncodingVector, eFormatVectorOfUInt8, \
56 { gcc_st##i##_i386, dwarf_st##i##_i386, LLDB_INVALID_REGNUM, gdb_st##i##_i386, lldb_st##i##_i386 }, \
59 #define DEFINE_FP_MM(reg, i) \
60 { #reg#i, NULL, sizeof(uint64_t), LLVM_EXTENSION FPR_OFFSET(stmm[i]), \
61 eEncodingUint, eFormatHex, \
62 { gcc_mm##i##_i386, dwarf_mm##i##_i386, LLDB_INVALID_REGNUM, gdb_mm##i##_i386, lldb_mm##i##_i386 }, \
65 #define DEFINE_XMM(reg, i) \
66 { #reg#i, NULL, XMM_SIZE, LLVM_EXTENSION FPR_OFFSET(reg[i]), \
67 eEncodingVector, eFormatVectorOfUInt8, \
68 { gcc_##reg##i##_i386, dwarf_##reg##i##_i386, LLDB_INVALID_REGNUM, gdb_##reg##i##_i386, lldb_##reg##i##_i386}, \
71 // I believe the YMM registers use dwarf_xmm_%_i386 register numbers and then differentiate based on register size.
72 #define DEFINE_YMM(reg, i) \
73 { #reg#i, NULL, YMM_SIZE, LLVM_EXTENSION YMM_OFFSET(reg[i]), \
74 eEncodingVector, eFormatVectorOfUInt8, \
75 { LLDB_INVALID_REGNUM, dwarf_xmm##i##_i386, LLDB_INVALID_REGNUM, gdb_##reg##i##h_i386, lldb_##reg##i##_i386 }, \
78 #define DEFINE_DR(reg, i) \
79 { #reg#i, NULL, DR_SIZE, DR_OFFSET(i), eEncodingUint, eFormatHex, \
80 { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \
81 LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL }
83 #define DEFINE_GPR_PSEUDO_16(reg16, reg32) \
84 { #reg16, NULL, 2, GPR_OFFSET(reg32), eEncodingUint, \
85 eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##reg16##_i386 }, RegisterContextPOSIX_x86::g_contained_##reg32, RegisterContextPOSIX_x86::g_invalidate_##reg32 }
86 #define DEFINE_GPR_PSEUDO_8H(reg8, reg32) \
87 { #reg8, NULL, 1, GPR_OFFSET(reg32)+1, eEncodingUint, \
88 eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##reg8##_i386 }, RegisterContextPOSIX_x86::g_contained_##reg32, RegisterContextPOSIX_x86::g_invalidate_##reg32 }
89 #define DEFINE_GPR_PSEUDO_8L(reg8, reg32) \
90 { #reg8, NULL, 1, GPR_OFFSET(reg32), eEncodingUint, \
91 eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##reg8##_i386 }, RegisterContextPOSIX_x86::g_contained_##reg32, RegisterContextPOSIX_x86::g_invalidate_##reg32 }
94 g_register_infos_i386[] =
96 // General purpose registers.
97 DEFINE_GPR(eax, NULL, gcc_eax_i386, dwarf_eax_i386, LLDB_INVALID_REGNUM, gdb_eax_i386),
98 DEFINE_GPR(ebx, NULL, gcc_ebx_i386, dwarf_ebx_i386, LLDB_INVALID_REGNUM, gdb_ebx_i386),
99 DEFINE_GPR(ecx, NULL, gcc_ecx_i386, dwarf_ecx_i386, LLDB_INVALID_REGNUM, gdb_ecx_i386),
100 DEFINE_GPR(edx, NULL, gcc_edx_i386, dwarf_edx_i386, LLDB_INVALID_REGNUM, gdb_edx_i386),
101 DEFINE_GPR(edi, NULL, gcc_edi_i386, dwarf_edi_i386, LLDB_INVALID_REGNUM, gdb_edi_i386),
102 DEFINE_GPR(esi, NULL, gcc_esi_i386, dwarf_esi_i386, LLDB_INVALID_REGNUM, gdb_esi_i386),
103 DEFINE_GPR(ebp, "fp", gcc_ebp_i386, dwarf_ebp_i386, LLDB_REGNUM_GENERIC_FP, gdb_ebp_i386),
104 DEFINE_GPR(esp, "sp", gcc_esp_i386, dwarf_esp_i386, LLDB_REGNUM_GENERIC_SP, gdb_esp_i386),
105 DEFINE_GPR(eip, "pc", gcc_eip_i386, dwarf_eip_i386, LLDB_REGNUM_GENERIC_PC, gdb_eip_i386),
106 DEFINE_GPR(eflags, "flags", gcc_eflags_i386, dwarf_eflags_i386, LLDB_REGNUM_GENERIC_FLAGS, gdb_eflags_i386),
107 DEFINE_GPR(cs, NULL, LLDB_INVALID_REGNUM, dwarf_cs_i386, LLDB_INVALID_REGNUM, gdb_cs_i386),
108 DEFINE_GPR(fs, NULL, LLDB_INVALID_REGNUM, dwarf_fs_i386, LLDB_INVALID_REGNUM, gdb_fs_i386),
109 DEFINE_GPR(gs, NULL, LLDB_INVALID_REGNUM, dwarf_gs_i386, LLDB_INVALID_REGNUM, gdb_gs_i386),
110 DEFINE_GPR(ss, NULL, LLDB_INVALID_REGNUM, dwarf_ss_i386, LLDB_INVALID_REGNUM, gdb_ss_i386),
111 DEFINE_GPR(ds, NULL, LLDB_INVALID_REGNUM, dwarf_ds_i386, LLDB_INVALID_REGNUM, gdb_ds_i386),
112 DEFINE_GPR(es, NULL, LLDB_INVALID_REGNUM, dwarf_es_i386, LLDB_INVALID_REGNUM, gdb_es_i386),
114 DEFINE_GPR_PSEUDO_16(ax, eax),
115 DEFINE_GPR_PSEUDO_16(bx, ebx),
116 DEFINE_GPR_PSEUDO_16(cx, ecx),
117 DEFINE_GPR_PSEUDO_16(dx, edx),
118 DEFINE_GPR_PSEUDO_16(di, edi),
119 DEFINE_GPR_PSEUDO_16(si, esi),
120 DEFINE_GPR_PSEUDO_16(bp, ebp),
121 DEFINE_GPR_PSEUDO_16(sp, esp),
122 DEFINE_GPR_PSEUDO_8H(ah, eax),
123 DEFINE_GPR_PSEUDO_8H(bh, ebx),
124 DEFINE_GPR_PSEUDO_8H(ch, ecx),
125 DEFINE_GPR_PSEUDO_8H(dh, edx),
126 DEFINE_GPR_PSEUDO_8L(al, eax),
127 DEFINE_GPR_PSEUDO_8L(bl, ebx),
128 DEFINE_GPR_PSEUDO_8L(cl, ecx),
129 DEFINE_GPR_PSEUDO_8L(dl, edx),
131 // i387 Floating point registers.
132 DEFINE_FPR(fctrl, fctrl, LLDB_INVALID_REGNUM, dwarf_fctrl_i386, LLDB_INVALID_REGNUM, gdb_fctrl_i386),
133 DEFINE_FPR(fstat, fstat, LLDB_INVALID_REGNUM, dwarf_fstat_i386, LLDB_INVALID_REGNUM, gdb_fstat_i386),
134 DEFINE_FPR(ftag, ftag, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_ftag_i386),
135 DEFINE_FPR(fop, fop, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fop_i386),
136 DEFINE_FPR(fiseg, ptr.i386_.fiseg, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fiseg_i386),
137 DEFINE_FPR(fioff, ptr.i386_.fioff, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fioff_i386),
138 DEFINE_FPR(foseg, ptr.i386_.foseg, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_foseg_i386),
139 DEFINE_FPR(fooff, ptr.i386_.fooff, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, gdb_fooff_i386),
140 DEFINE_FPR(mxcsr, mxcsr, LLDB_INVALID_REGNUM, dwarf_mxcsr_i386, LLDB_INVALID_REGNUM, gdb_mxcsr_i386),
141 DEFINE_FPR(mxcsrmask, mxcsrmask, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM),
171 // Copy of YMM registers assembled from xmm and ymmh
181 // Debug registers for lldb internal use
191 static_assert((sizeof(g_register_infos_i386) / sizeof(g_register_infos_i386[0])) == k_num_registers_i386,
192 "g_register_infos_x86_64 has wrong number of register infos");
207 #undef DEFINE_GPR_PSEUDO_16
208 #undef DEFINE_GPR_PSEUDO_8H
209 #undef DEFINE_GPR_PSEUDO_8L
211 #endif // DECLARE_REGISTER_INFOS_I386_STRUCT