1 //===-- ABISysV_x86_64.cpp --------------------------------------*- 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 //===----------------------------------------------------------------------===//
10 #include "ABISysV_x86_64.h"
12 #include "lldb/Core/ConstString.h"
13 #include "lldb/Core/DataExtractor.h"
14 #include "lldb/Core/Error.h"
15 #include "lldb/Core/Log.h"
16 #include "lldb/Core/Module.h"
17 #include "lldb/Core/PluginManager.h"
18 #include "lldb/Core/RegisterValue.h"
19 #include "lldb/Core/Value.h"
20 #include "lldb/Core/ValueObjectConstResult.h"
21 #include "lldb/Core/ValueObjectRegister.h"
22 #include "lldb/Core/ValueObjectMemory.h"
23 #include "lldb/Symbol/ClangASTContext.h"
24 #include "lldb/Symbol/UnwindPlan.h"
25 #include "lldb/Target/Target.h"
26 #include "lldb/Target/Process.h"
27 #include "lldb/Target/RegisterContext.h"
28 #include "lldb/Target/StackFrame.h"
29 #include "lldb/Target/Thread.h"
31 #include "llvm/ADT/Triple.h"
34 using namespace lldb_private;
36 enum gcc_dwarf_regnums
131 gdb_fctrl = 32, gdb_fcw = gdb_fctrl,
132 gdb_fstat = 33, gdb_fsw = gdb_fstat,
133 gdb_ftag = 34, gdb_ftw = gdb_ftag,
134 gdb_fiseg = 35, gdb_fpu_cs = gdb_fiseg,
135 gdb_fioff = 36, gdb_ip = gdb_fioff,
136 gdb_foseg = 37, gdb_fpu_ds = gdb_foseg,
137 gdb_fooff = 38, gdb_dp = gdb_fooff,
175 static RegisterInfo g_register_infos[] =
177 // NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB NATIVE VALUE REGS INVALIDATE REGS
178 // ======== ======= == === ============= =================== ======================= ===================== =========================== ===================== ====================== ========== ===============
179 { "rax" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rax , gcc_dwarf_rax , LLDB_INVALID_REGNUM , gdb_rax , LLDB_INVALID_REGNUM }, NULL, NULL},
180 { "rbx" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rbx , gcc_dwarf_rbx , LLDB_INVALID_REGNUM , gdb_rbx , LLDB_INVALID_REGNUM }, NULL, NULL},
181 { "rcx" , "arg4", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rcx , gcc_dwarf_rcx , LLDB_REGNUM_GENERIC_ARG4 , gdb_rcx , LLDB_INVALID_REGNUM }, NULL, NULL},
182 { "rdx" , "arg3", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rdx , gcc_dwarf_rdx , LLDB_REGNUM_GENERIC_ARG3 , gdb_rdx , LLDB_INVALID_REGNUM }, NULL, NULL},
183 { "rsi" , "arg2", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rsi , gcc_dwarf_rsi , LLDB_REGNUM_GENERIC_ARG2 , gdb_rsi , LLDB_INVALID_REGNUM }, NULL, NULL},
184 { "rdi" , "arg1", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rdi , gcc_dwarf_rdi , LLDB_REGNUM_GENERIC_ARG1 , gdb_rdi , LLDB_INVALID_REGNUM }, NULL, NULL},
185 { "rbp" , "fp", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rbp , gcc_dwarf_rbp , LLDB_REGNUM_GENERIC_FP , gdb_rbp , LLDB_INVALID_REGNUM }, NULL, NULL},
186 { "rsp" , "sp", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rsp , gcc_dwarf_rsp , LLDB_REGNUM_GENERIC_SP , gdb_rsp , LLDB_INVALID_REGNUM }, NULL, NULL},
187 { "r8" , "arg5", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r8 , gcc_dwarf_r8 , LLDB_REGNUM_GENERIC_ARG5 , gdb_r8 , LLDB_INVALID_REGNUM }, NULL, NULL},
188 { "r9" , "arg6", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r9 , gcc_dwarf_r9 , LLDB_REGNUM_GENERIC_ARG6 , gdb_r9 , LLDB_INVALID_REGNUM }, NULL, NULL},
189 { "r10" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r10 , gcc_dwarf_r10 , LLDB_INVALID_REGNUM , gdb_r10 , LLDB_INVALID_REGNUM }, NULL, NULL},
190 { "r11" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r11 , gcc_dwarf_r11 , LLDB_INVALID_REGNUM , gdb_r11 , LLDB_INVALID_REGNUM }, NULL, NULL},
191 { "r12" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r12 , gcc_dwarf_r12 , LLDB_INVALID_REGNUM , gdb_r12 , LLDB_INVALID_REGNUM }, NULL, NULL},
192 { "r13" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r13 , gcc_dwarf_r13 , LLDB_INVALID_REGNUM , gdb_r13 , LLDB_INVALID_REGNUM }, NULL, NULL},
193 { "r14" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r14 , gcc_dwarf_r14 , LLDB_INVALID_REGNUM , gdb_r14 , LLDB_INVALID_REGNUM }, NULL, NULL},
194 { "r15" , NULL, 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_r15 , gcc_dwarf_r15 , LLDB_INVALID_REGNUM , gdb_r15 , LLDB_INVALID_REGNUM }, NULL, NULL},
195 { "rip" , "pc", 8, 0, eEncodingUint , eFormatHex , { gcc_dwarf_rip , gcc_dwarf_rip , LLDB_REGNUM_GENERIC_PC , gdb_rip , LLDB_INVALID_REGNUM }, NULL, NULL},
196 { "rflags", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_REGNUM_GENERIC_FLAGS , gdb_rflags , LLDB_INVALID_REGNUM }, NULL, NULL},
197 { "cs" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_cs , LLDB_INVALID_REGNUM }, NULL, NULL},
198 { "ss" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_ss , LLDB_INVALID_REGNUM }, NULL, NULL},
199 { "ds" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_ds , LLDB_INVALID_REGNUM }, NULL, NULL},
200 { "es" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_es , LLDB_INVALID_REGNUM }, NULL, NULL},
201 { "fs" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fs , LLDB_INVALID_REGNUM }, NULL, NULL},
202 { "gs" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_gs , LLDB_INVALID_REGNUM }, NULL, NULL},
203 { "stmm0" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm0 , gcc_dwarf_stmm0 , LLDB_INVALID_REGNUM , gdb_stmm0 , LLDB_INVALID_REGNUM }, NULL, NULL},
204 { "stmm1" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm1 , gcc_dwarf_stmm1 , LLDB_INVALID_REGNUM , gdb_stmm1 , LLDB_INVALID_REGNUM }, NULL, NULL},
205 { "stmm2" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm2 , gcc_dwarf_stmm2 , LLDB_INVALID_REGNUM , gdb_stmm2 , LLDB_INVALID_REGNUM }, NULL, NULL},
206 { "stmm3" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm3 , gcc_dwarf_stmm3 , LLDB_INVALID_REGNUM , gdb_stmm3 , LLDB_INVALID_REGNUM }, NULL, NULL},
207 { "stmm4" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm4 , gcc_dwarf_stmm4 , LLDB_INVALID_REGNUM , gdb_stmm4 , LLDB_INVALID_REGNUM }, NULL, NULL},
208 { "stmm5" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm5 , gcc_dwarf_stmm5 , LLDB_INVALID_REGNUM , gdb_stmm5 , LLDB_INVALID_REGNUM }, NULL, NULL},
209 { "stmm6" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm6 , gcc_dwarf_stmm6 , LLDB_INVALID_REGNUM , gdb_stmm6 , LLDB_INVALID_REGNUM }, NULL, NULL},
210 { "stmm7" , NULL, 10, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_stmm7 , gcc_dwarf_stmm7 , LLDB_INVALID_REGNUM , gdb_stmm7 , LLDB_INVALID_REGNUM }, NULL, NULL},
211 { "fctrl" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fctrl , LLDB_INVALID_REGNUM }, NULL, NULL},
212 { "fstat" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fstat , LLDB_INVALID_REGNUM }, NULL, NULL},
213 { "ftag" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_ftag , LLDB_INVALID_REGNUM }, NULL, NULL},
214 { "fiseg" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fiseg , LLDB_INVALID_REGNUM }, NULL, NULL},
215 { "fioff" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fioff , LLDB_INVALID_REGNUM }, NULL, NULL},
216 { "foseg" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_foseg , LLDB_INVALID_REGNUM }, NULL, NULL},
217 { "fooff" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fooff , LLDB_INVALID_REGNUM }, NULL, NULL},
218 { "fop" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_fop , LLDB_INVALID_REGNUM }, NULL, NULL},
219 { "xmm0" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm0 , gcc_dwarf_xmm0 , LLDB_INVALID_REGNUM , gdb_xmm0 , LLDB_INVALID_REGNUM }, NULL, NULL},
220 { "xmm1" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm1 , gcc_dwarf_xmm1 , LLDB_INVALID_REGNUM , gdb_xmm1 , LLDB_INVALID_REGNUM }, NULL, NULL},
221 { "xmm2" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm2 , gcc_dwarf_xmm2 , LLDB_INVALID_REGNUM , gdb_xmm2 , LLDB_INVALID_REGNUM }, NULL, NULL},
222 { "xmm3" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm3 , gcc_dwarf_xmm3 , LLDB_INVALID_REGNUM , gdb_xmm3 , LLDB_INVALID_REGNUM }, NULL, NULL},
223 { "xmm4" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm4 , gcc_dwarf_xmm4 , LLDB_INVALID_REGNUM , gdb_xmm4 , LLDB_INVALID_REGNUM }, NULL, NULL},
224 { "xmm5" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm5 , gcc_dwarf_xmm5 , LLDB_INVALID_REGNUM , gdb_xmm5 , LLDB_INVALID_REGNUM }, NULL, NULL},
225 { "xmm6" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm6 , gcc_dwarf_xmm6 , LLDB_INVALID_REGNUM , gdb_xmm6 , LLDB_INVALID_REGNUM }, NULL, NULL},
226 { "xmm7" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm7 , gcc_dwarf_xmm7 , LLDB_INVALID_REGNUM , gdb_xmm7 , LLDB_INVALID_REGNUM }, NULL, NULL},
227 { "xmm8" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm8 , gcc_dwarf_xmm8 , LLDB_INVALID_REGNUM , gdb_xmm8 , LLDB_INVALID_REGNUM }, NULL, NULL},
228 { "xmm9" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm9 , gcc_dwarf_xmm9 , LLDB_INVALID_REGNUM , gdb_xmm9 , LLDB_INVALID_REGNUM }, NULL, NULL},
229 { "xmm10" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm10 , gcc_dwarf_xmm10 , LLDB_INVALID_REGNUM , gdb_xmm10 , LLDB_INVALID_REGNUM }, NULL, NULL},
230 { "xmm11" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm11 , gcc_dwarf_xmm11 , LLDB_INVALID_REGNUM , gdb_xmm11 , LLDB_INVALID_REGNUM }, NULL, NULL},
231 { "xmm12" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm12 , gcc_dwarf_xmm12 , LLDB_INVALID_REGNUM , gdb_xmm12 , LLDB_INVALID_REGNUM }, NULL, NULL},
232 { "xmm13" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm13 , gcc_dwarf_xmm13 , LLDB_INVALID_REGNUM , gdb_xmm13 , LLDB_INVALID_REGNUM }, NULL, NULL},
233 { "xmm14" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm14 , gcc_dwarf_xmm14 , LLDB_INVALID_REGNUM , gdb_xmm14 , LLDB_INVALID_REGNUM }, NULL, NULL},
234 { "xmm15" , NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_xmm15 , gcc_dwarf_xmm15 , LLDB_INVALID_REGNUM , gdb_xmm15 , LLDB_INVALID_REGNUM }, NULL, NULL},
235 { "mxcsr" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , gdb_mxcsr , LLDB_INVALID_REGNUM }, NULL, NULL},
236 { "ymm0" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm0 , gcc_dwarf_ymm0 , LLDB_INVALID_REGNUM , gdb_ymm0 , LLDB_INVALID_REGNUM }, NULL, NULL},
237 { "ymm1" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm1 , gcc_dwarf_ymm1 , LLDB_INVALID_REGNUM , gdb_ymm1 , LLDB_INVALID_REGNUM }, NULL, NULL},
238 { "ymm2" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm2 , gcc_dwarf_ymm2 , LLDB_INVALID_REGNUM , gdb_ymm2 , LLDB_INVALID_REGNUM }, NULL, NULL},
239 { "ymm3" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm3 , gcc_dwarf_ymm3 , LLDB_INVALID_REGNUM , gdb_ymm3 , LLDB_INVALID_REGNUM }, NULL, NULL},
240 { "ymm4" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm4 , gcc_dwarf_ymm4 , LLDB_INVALID_REGNUM , gdb_ymm4 , LLDB_INVALID_REGNUM }, NULL, NULL},
241 { "ymm5" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm5 , gcc_dwarf_ymm5 , LLDB_INVALID_REGNUM , gdb_ymm5 , LLDB_INVALID_REGNUM }, NULL, NULL},
242 { "ymm6" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm6 , gcc_dwarf_ymm6 , LLDB_INVALID_REGNUM , gdb_ymm6 , LLDB_INVALID_REGNUM }, NULL, NULL},
243 { "ymm7" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm7 , gcc_dwarf_ymm7 , LLDB_INVALID_REGNUM , gdb_ymm7 , LLDB_INVALID_REGNUM }, NULL, NULL},
244 { "ymm8" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm8 , gcc_dwarf_ymm8 , LLDB_INVALID_REGNUM , gdb_ymm8 , LLDB_INVALID_REGNUM }, NULL, NULL},
245 { "ymm9" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm9 , gcc_dwarf_ymm9 , LLDB_INVALID_REGNUM , gdb_ymm9 , LLDB_INVALID_REGNUM }, NULL, NULL},
246 { "ymm10" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm10 , gcc_dwarf_ymm10 , LLDB_INVALID_REGNUM , gdb_ymm10 , LLDB_INVALID_REGNUM }, NULL, NULL},
247 { "ymm11" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm11 , gcc_dwarf_ymm11 , LLDB_INVALID_REGNUM , gdb_ymm11 , LLDB_INVALID_REGNUM }, NULL, NULL},
248 { "ymm12" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm12 , gcc_dwarf_ymm12 , LLDB_INVALID_REGNUM , gdb_ymm12 , LLDB_INVALID_REGNUM }, NULL, NULL},
249 { "ymm13" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm13 , gcc_dwarf_ymm13 , LLDB_INVALID_REGNUM , gdb_ymm13 , LLDB_INVALID_REGNUM }, NULL, NULL},
250 { "ymm14" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm14 , gcc_dwarf_ymm14 , LLDB_INVALID_REGNUM , gdb_ymm14 , LLDB_INVALID_REGNUM }, NULL, NULL},
251 { "ymm15" , NULL, 32, 0, eEncodingVector, eFormatVectorOfUInt8, { gcc_dwarf_ymm15 , gcc_dwarf_ymm15 , LLDB_INVALID_REGNUM , gdb_ymm15 , LLDB_INVALID_REGNUM }, NULL, NULL}
254 static const uint32_t k_num_register_infos = sizeof(g_register_infos)/sizeof(RegisterInfo);
255 static bool g_register_info_names_constified = false;
257 const lldb_private::RegisterInfo *
258 ABISysV_x86_64::GetRegisterInfoArray (uint32_t &count)
260 // Make the C-string names and alt_names for the register infos into const
261 // C-string values by having the ConstString unique the names in the global
262 // constant C-string pool.
263 if (!g_register_info_names_constified)
265 g_register_info_names_constified = true;
266 for (uint32_t i=0; i<k_num_register_infos; ++i)
268 if (g_register_infos[i].name)
269 g_register_infos[i].name = ConstString(g_register_infos[i].name).GetCString();
270 if (g_register_infos[i].alt_name)
271 g_register_infos[i].alt_name = ConstString(g_register_infos[i].alt_name).GetCString();
274 count = k_num_register_infos;
275 return g_register_infos;
280 ABISysV_x86_64::GetRedZoneSize () const
285 //------------------------------------------------------------------
287 //------------------------------------------------------------------
289 ABISysV_x86_64::CreateInstance (const ArchSpec &arch)
291 static ABISP g_abi_sp;
292 if (arch.GetTriple().getArch() == llvm::Triple::x86_64)
295 g_abi_sp.reset (new ABISysV_x86_64);
302 ABISysV_x86_64::PrepareTrivialCall (Thread &thread,
306 llvm::ArrayRef<addr_t> args) const
308 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
313 s.Printf("ABISysV_x86_64::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64,
317 (uint64_t)return_addr);
319 for (int i = 0; i < args.size(); ++i)
320 s.Printf (", arg%d = 0x%" PRIx64, i + 1, args[i]);
322 log->PutCString(s.GetString().c_str());
325 RegisterContext *reg_ctx = thread.GetRegisterContext().get();
329 const RegisterInfo *reg_info = NULL;
331 if (args.size() > 6) // TODO handle more than 6 arguments
334 for (int i = 0; i < args.size(); ++i)
336 reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i);
338 log->Printf("About to write arg%d (0x%" PRIx64 ") into %s", i + 1, args[i], reg_info->name);
339 if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
343 // First, align the SP
346 log->Printf("16-byte aligning SP: 0x%" PRIx64 " to 0x%" PRIx64, (uint64_t)sp, (uint64_t)(sp & ~0xfull));
348 sp &= ~(0xfull); // 16-byte alignment
353 const RegisterInfo *pc_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC);
354 const RegisterInfo *sp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP);
355 ProcessSP process_sp (thread.GetProcess());
357 RegisterValue reg_value;
360 // This code adds an extra frame so that we don't lose the function that we came from
361 // by pushing the PC and the FP and then writing the current FP to point to the FP value
362 // we just pushed. It is disabled for now until the stack backtracing code can be debugged.
365 const RegisterInfo *fp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_FP);
366 if (reg_ctx->ReadRegister(pc_reg_info, reg_value))
369 log->Printf("Pushing the current PC onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
371 if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
377 if (reg_ctx->ReadRegister(fp_reg_info, reg_value))
380 log->Printf("Pushing the current FP onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
382 if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
385 // Setup FP backchain
386 reg_value.SetUInt64 (sp);
389 log->Printf("Writing FP: 0x%" PRIx64 " (for FP backchain)", reg_value.GetAsUInt64());
391 if (!reg_ctx->WriteRegister(fp_reg_info, reg_value))
401 log->Printf("Pushing the return address onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, (uint64_t)return_addr);
403 // Save return address onto the stack
404 if (!process_sp->WritePointerToMemory(sp, return_addr, error))
407 // %rsp is set to the actual stack value.
410 log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp);
412 if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_info, sp))
415 // %rip is set to the address of the called function.
418 log->Printf("Writing IP: 0x%" PRIx64, (uint64_t)func_addr);
420 if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_info, func_addr))
426 static bool ReadIntegerArgument(Scalar &scalar,
427 unsigned int bit_width,
430 uint32_t *argument_register_ids,
431 unsigned int ¤t_argument_register,
432 addr_t ¤t_stack_argument)
435 return false; // Scalar can't hold large integer arguments
437 if (current_argument_register < 6)
439 scalar = thread.GetRegisterContext()->ReadRegisterAsUnsigned(argument_register_ids[current_argument_register], 0);
440 current_argument_register++;
442 scalar.SignExtend (bit_width);
446 uint32_t byte_size = (bit_width + (8-1))/8;
448 if (thread.GetProcess()->ReadScalarIntegerFromMemory(current_stack_argument, byte_size, is_signed, scalar, error))
450 current_stack_argument += byte_size;
459 ABISysV_x86_64::GetArgumentValues (Thread &thread,
460 ValueList &values) const
462 unsigned int num_values = values.GetSize();
463 unsigned int value_index;
465 // Extract the register context so we can read arguments from registers
467 RegisterContext *reg_ctx = thread.GetRegisterContext().get();
472 // Get the pointer to the first stack argument so we have a place to start
475 addr_t sp = reg_ctx->GetSP(0);
480 addr_t current_stack_argument = sp + 8; // jump over return address
482 uint32_t argument_register_ids[6];
484 argument_register_ids[0] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1)->kinds[eRegisterKindLLDB];
485 argument_register_ids[1] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG2)->kinds[eRegisterKindLLDB];
486 argument_register_ids[2] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG3)->kinds[eRegisterKindLLDB];
487 argument_register_ids[3] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG4)->kinds[eRegisterKindLLDB];
488 argument_register_ids[4] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG5)->kinds[eRegisterKindLLDB];
489 argument_register_ids[5] = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG6)->kinds[eRegisterKindLLDB];
491 unsigned int current_argument_register = 0;
493 for (value_index = 0;
494 value_index < num_values;
497 Value *value = values.GetValueAtIndex(value_index);
502 // We currently only support extracting values with Clang QualTypes.
503 // Do we care about others?
504 ClangASTType clang_type = value->GetClangType();
509 if (clang_type.IsIntegerType (is_signed))
511 ReadIntegerArgument(value->GetScalar(),
512 clang_type.GetBitSize(),
515 argument_register_ids,
516 current_argument_register,
517 current_stack_argument);
519 else if (clang_type.IsPointerType ())
521 ReadIntegerArgument(value->GetScalar(),
522 clang_type.GetBitSize(),
525 argument_register_ids,
526 current_argument_register,
527 current_stack_argument);
535 ABISysV_x86_64::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value_sp)
540 error.SetErrorString("Empty value object for return value.");
544 ClangASTType clang_type = new_value_sp->GetClangType();
547 error.SetErrorString ("Null clang type for return value.");
551 Thread *thread = frame_sp->GetThread().get();
557 RegisterContext *reg_ctx = thread->GetRegisterContext().get();
559 bool set_it_simple = false;
560 if (clang_type.IsIntegerType (is_signed) || clang_type.IsPointerType())
562 const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName("rax", 0);
565 size_t num_bytes = new_value_sp->GetData(data);
566 lldb::offset_t offset = 0;
569 uint64_t raw_value = data.GetMaxU64(&offset, num_bytes);
571 if (reg_ctx->WriteRegisterFromUnsigned (reg_info, raw_value))
572 set_it_simple = true;
576 error.SetErrorString("We don't support returning longer than 64 bit integer values at present.");
580 else if (clang_type.IsFloatingPointType (count, is_complex))
583 error.SetErrorString ("We don't support returning complex values at present");
586 size_t bit_width = clang_type.GetBitSize();
589 const RegisterInfo *xmm0_info = reg_ctx->GetRegisterInfoByName("xmm0", 0);
590 RegisterValue xmm0_value;
592 size_t num_bytes = new_value_sp->GetData(data);
594 unsigned char buffer[16];
595 ByteOrder byte_order = data.GetByteOrder();
597 data.CopyByteOrderedData (0, num_bytes, buffer, 16, byte_order);
598 xmm0_value.SetBytes(buffer, 16, byte_order);
599 reg_ctx->WriteRegister(xmm0_info, xmm0_value);
600 set_it_simple = true;
604 // FIXME - don't know how to do 80 bit long doubles yet.
605 error.SetErrorString ("We don't support returning float values > 64 bits at present");
612 // Okay we've got a structure or something that doesn't fit in a simple register.
613 // We should figure out where it really goes, but we don't support this yet.
614 error.SetErrorString ("We only support setting simple integer and float return types at present.");
622 ABISysV_x86_64::GetReturnValueObjectSimple (Thread &thread,
623 ClangASTType &return_clang_type) const
625 ValueObjectSP return_valobj_sp;
628 if (!return_clang_type)
629 return return_valobj_sp;
631 //value.SetContext (Value::eContextTypeClangType, return_value_type);
632 value.SetClangType (return_clang_type);
634 RegisterContext *reg_ctx = thread.GetRegisterContext().get();
636 return return_valobj_sp;
638 const uint32_t type_flags = return_clang_type.GetTypeInfo ();
639 if (type_flags & ClangASTType::eTypeIsScalar)
641 value.SetValueType(Value::eValueTypeScalar);
643 bool success = false;
644 if (type_flags & ClangASTType::eTypeIsInteger)
646 // Extract the register context so we can read arguments from registers
648 const size_t byte_size = return_clang_type.GetByteSize();
649 uint64_t raw_value = thread.GetRegisterContext()->ReadRegisterAsUnsigned(reg_ctx->GetRegisterInfoByName("rax", 0), 0);
650 const bool is_signed = (type_flags & ClangASTType::eTypeIsSigned) != 0;
656 case sizeof(uint64_t):
658 value.GetScalar() = (int64_t)(raw_value);
660 value.GetScalar() = (uint64_t)(raw_value);
664 case sizeof(uint32_t):
666 value.GetScalar() = (int32_t)(raw_value & UINT32_MAX);
668 value.GetScalar() = (uint32_t)(raw_value & UINT32_MAX);
672 case sizeof(uint16_t):
674 value.GetScalar() = (int16_t)(raw_value & UINT16_MAX);
676 value.GetScalar() = (uint16_t)(raw_value & UINT16_MAX);
680 case sizeof(uint8_t):
682 value.GetScalar() = (int8_t)(raw_value & UINT8_MAX);
684 value.GetScalar() = (uint8_t)(raw_value & UINT8_MAX);
689 else if (type_flags & ClangASTType::eTypeIsFloat)
691 if (type_flags & ClangASTType::eTypeIsComplex)
693 // Don't handle complex yet.
697 const size_t byte_size = return_clang_type.GetByteSize();
698 if (byte_size <= sizeof(long double))
700 const RegisterInfo *xmm0_info = reg_ctx->GetRegisterInfoByName("xmm0", 0);
701 RegisterValue xmm0_value;
702 if (reg_ctx->ReadRegister (xmm0_info, xmm0_value))
705 if (xmm0_value.GetData(data))
707 lldb::offset_t offset = 0;
708 if (byte_size == sizeof(float))
710 value.GetScalar() = (float) data.GetFloat(&offset);
713 else if (byte_size == sizeof(double))
715 value.GetScalar() = (double) data.GetDouble(&offset);
718 else if (byte_size == sizeof(long double))
720 // Don't handle long double since that can be encoded as 80 bit floats...
729 return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
734 else if (type_flags & ClangASTType::eTypeIsPointer)
736 unsigned rax_id = reg_ctx->GetRegisterInfoByName("rax", 0)->kinds[eRegisterKindLLDB];
737 value.GetScalar() = (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(rax_id, 0);
738 value.SetValueType(Value::eValueTypeScalar);
739 return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(),
743 else if (type_flags & ClangASTType::eTypeIsVector)
745 const size_t byte_size = return_clang_type.GetByteSize();
749 const RegisterInfo *altivec_reg = reg_ctx->GetRegisterInfoByName("ymm0", 0);
750 if (altivec_reg == NULL)
752 altivec_reg = reg_ctx->GetRegisterInfoByName("xmm0", 0);
753 if (altivec_reg == NULL)
754 altivec_reg = reg_ctx->GetRegisterInfoByName("mm0", 0);
759 if (byte_size <= altivec_reg->byte_size)
761 ProcessSP process_sp (thread.GetProcess());
764 std::unique_ptr<DataBufferHeap> heap_data_ap (new DataBufferHeap(byte_size, 0));
765 const ByteOrder byte_order = process_sp->GetByteOrder();
766 RegisterValue reg_value;
767 if (reg_ctx->ReadRegister(altivec_reg, reg_value))
770 if (reg_value.GetAsMemoryData (altivec_reg,
771 heap_data_ap->GetBytes(),
772 heap_data_ap->GetByteSize(),
776 DataExtractor data (DataBufferSP (heap_data_ap.release()),
778 process_sp->GetTarget().GetArchitecture().GetAddressByteSize());
779 return_valobj_sp = ValueObjectConstResult::Create (&thread,
791 return return_valobj_sp;
795 ABISysV_x86_64::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_clang_type) const
797 ValueObjectSP return_valobj_sp;
799 if (!return_clang_type)
800 return return_valobj_sp;
802 ExecutionContext exe_ctx (thread.shared_from_this());
803 return_valobj_sp = GetReturnValueObjectSimple(thread, return_clang_type);
804 if (return_valobj_sp)
805 return return_valobj_sp;
807 RegisterContextSP reg_ctx_sp = thread.GetRegisterContext();
809 return return_valobj_sp;
811 const size_t bit_width = return_clang_type.GetBitSize();
812 if (return_clang_type.IsAggregateType())
814 Target *target = exe_ctx.GetTargetPtr();
815 bool is_memory = true;
816 if (bit_width <= 128)
818 ByteOrder target_byte_order = target->GetArchitecture().GetByteOrder();
819 DataBufferSP data_sp (new DataBufferHeap(16, 0));
820 DataExtractor return_ext (data_sp,
822 target->GetArchitecture().GetAddressByteSize());
824 const RegisterInfo *rax_info = reg_ctx_sp->GetRegisterInfoByName("rax", 0);
825 const RegisterInfo *rdx_info = reg_ctx_sp->GetRegisterInfoByName("rdx", 0);
826 const RegisterInfo *xmm0_info = reg_ctx_sp->GetRegisterInfoByName("xmm0", 0);
827 const RegisterInfo *xmm1_info = reg_ctx_sp->GetRegisterInfoByName("xmm1", 0);
829 RegisterValue rax_value, rdx_value, xmm0_value, xmm1_value;
830 reg_ctx_sp->ReadRegister (rax_info, rax_value);
831 reg_ctx_sp->ReadRegister (rdx_info, rdx_value);
832 reg_ctx_sp->ReadRegister (xmm0_info, xmm0_value);
833 reg_ctx_sp->ReadRegister (xmm1_info, xmm1_value);
835 DataExtractor rax_data, rdx_data, xmm0_data, xmm1_data;
837 rax_value.GetData(rax_data);
838 rdx_value.GetData(rdx_data);
839 xmm0_value.GetData(xmm0_data);
840 xmm1_value.GetData(xmm1_data);
842 uint32_t fp_bytes = 0; // Tracks how much of the xmm registers we've consumed so far
843 uint32_t integer_bytes = 0; // Tracks how much of the rax/rds registers we've consumed so far
845 const uint32_t num_children = return_clang_type.GetNumFields ();
847 // Since we are in the small struct regime, assume we are not in memory.
850 for (uint32_t idx = 0; idx < num_children; idx++)
853 uint64_t field_bit_offset = 0;
858 ClangASTType field_clang_type = return_clang_type.GetFieldAtIndex (idx, name, &field_bit_offset, NULL, NULL);
859 const size_t field_bit_width = field_clang_type.GetBitSize();
861 // If there are any unaligned fields, this is stored in memory.
862 if (field_bit_offset % field_bit_width != 0)
868 uint32_t field_byte_width = field_bit_width/8;
869 uint32_t field_byte_offset = field_bit_offset/8;
872 DataExtractor *copy_from_extractor = NULL;
873 uint32_t copy_from_offset = 0;
875 if (field_clang_type.IsIntegerType (is_signed) || field_clang_type.IsPointerType ())
877 if (integer_bytes < 8)
879 if (integer_bytes + field_byte_width <= 8)
881 // This is in RAX, copy from register to our result structure:
882 copy_from_extractor = &rax_data;
883 copy_from_offset = integer_bytes;
884 integer_bytes += field_byte_width;
888 // The next field wouldn't fit in the remaining space, so we pushed it to rdx.
889 copy_from_extractor = &rdx_data;
890 copy_from_offset = 0;
891 integer_bytes = 8 + field_byte_width;
895 else if (integer_bytes + field_byte_width <= 16)
897 copy_from_extractor = &rdx_data;
898 copy_from_offset = integer_bytes - 8;
899 integer_bytes += field_byte_width;
903 // The last field didn't fit. I can't see how that would happen w/o the overall size being
904 // greater than 16 bytes. For now, return a NULL return value object.
905 return return_valobj_sp;
908 else if (field_clang_type.IsFloatingPointType (count, is_complex))
910 // Structs with long doubles are always passed in memory.
911 if (field_bit_width == 128)
916 else if (field_bit_width == 64)
918 // These have to be in a single xmm register.
920 copy_from_extractor = &xmm0_data;
922 copy_from_extractor = &xmm1_data;
924 copy_from_offset = 0;
925 fp_bytes += field_byte_width;
927 else if (field_bit_width == 32)
929 // This one is kind of complicated. If we are in an "eightbyte" with another float, we'll
930 // be stuffed into an xmm register with it. If we are in an "eightbyte" with one or more ints,
931 // then we will be stuffed into the appropriate GPR with them.
933 if (field_byte_offset % 8 == 0)
935 // We are at the beginning of one of the eightbytes, so check the next element (if any)
936 if (idx == num_children - 1)
940 uint64_t next_field_bit_offset = 0;
941 ClangASTType next_field_clang_type = return_clang_type.GetFieldAtIndex (idx + 1,
943 &next_field_bit_offset,
946 if (next_field_clang_type.IsIntegerType (is_signed))
950 copy_from_offset = 0;
956 else if (field_byte_offset % 4 == 0)
958 // We are inside of an eightbyte, so see if the field before us is floating point:
959 // This could happen if somebody put padding in the structure.
964 uint64_t prev_field_bit_offset = 0;
965 ClangASTType prev_field_clang_type = return_clang_type.GetFieldAtIndex (idx - 1,
967 &prev_field_bit_offset,
970 if (prev_field_clang_type.IsIntegerType (is_signed))
974 copy_from_offset = 4;
986 // Okay, we've figured out whether we are in GPR or XMM, now figure out which one.
989 if (integer_bytes < 8)
991 // This is in RAX, copy from register to our result structure:
992 copy_from_extractor = &rax_data;
993 copy_from_offset = integer_bytes;
994 integer_bytes += field_byte_width;
998 copy_from_extractor = &rdx_data;
999 copy_from_offset = integer_bytes - 8;
1000 integer_bytes += field_byte_width;
1006 copy_from_extractor = &xmm0_data;
1008 copy_from_extractor = &xmm1_data;
1010 fp_bytes += field_byte_width;
1015 // These two tests are just sanity checks. If I somehow get the
1016 // type calculation wrong above it is better to just return nothing
1017 // than to assert or crash.
1018 if (!copy_from_extractor)
1019 return return_valobj_sp;
1020 if (copy_from_offset + field_byte_width > copy_from_extractor->GetByteSize())
1021 return return_valobj_sp;
1023 copy_from_extractor->CopyByteOrderedData (copy_from_offset,
1025 data_sp->GetBytes() + field_byte_offset,
1032 // The result is in our data buffer. Let's make a variable object out of it:
1033 return_valobj_sp = ValueObjectConstResult::Create (&thread,
1041 // FIXME: This is just taking a guess, rax may very well no longer hold the return storage location.
1042 // If we are going to do this right, when we make a new frame we should check to see if it uses a memory
1043 // return, and if we are at the first instruction and if so stash away the return location. Then we would
1044 // only return the memory return value if we know it is valid.
1048 unsigned rax_id = reg_ctx_sp->GetRegisterInfoByName("rax", 0)->kinds[eRegisterKindLLDB];
1049 lldb::addr_t storage_addr = (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(rax_id, 0);
1050 return_valobj_sp = ValueObjectMemory::Create (&thread,
1052 Address (storage_addr, NULL),
1057 return return_valobj_sp;
1061 ABISysV_x86_64::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
1063 unwind_plan.Clear();
1064 unwind_plan.SetRegisterKind (eRegisterKindDWARF);
1066 uint32_t sp_reg_num = gcc_dwarf_rsp;
1067 uint32_t pc_reg_num = gcc_dwarf_rip;
1069 UnwindPlan::RowSP row(new UnwindPlan::Row);
1070 row->SetCFARegister (sp_reg_num);
1071 row->SetCFAOffset (8);
1072 row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -8, false);
1073 unwind_plan.AppendRow (row);
1074 unwind_plan.SetSourceName ("x86_64 at-func-entry default");
1075 unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
1080 ABISysV_x86_64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
1082 unwind_plan.Clear();
1083 unwind_plan.SetRegisterKind (eRegisterKindDWARF);
1085 uint32_t fp_reg_num = gcc_dwarf_rbp;
1086 uint32_t sp_reg_num = gcc_dwarf_rsp;
1087 uint32_t pc_reg_num = gcc_dwarf_rip;
1089 UnwindPlan::RowSP row(new UnwindPlan::Row);
1091 const int32_t ptr_size = 8;
1092 row->SetCFARegister (gcc_dwarf_rbp);
1093 row->SetCFAOffset (2 * ptr_size);
1096 row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
1097 row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
1098 row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
1100 unwind_plan.AppendRow (row);
1101 unwind_plan.SetSourceName ("x86_64 default unwind plan");
1102 unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
1103 unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
1108 ABISysV_x86_64::RegisterIsVolatile (const RegisterInfo *reg_info)
1110 return !RegisterIsCalleeSaved (reg_info);
1115 // See "Register Usage" in the
1116 // "System V Application Binary Interface"
1117 // "AMD64 Architecture Processor Supplement"
1118 // (or "x86-64(tm) Architecture Processor Supplement" in earlier revisions)
1119 // (this doc is also commonly referred to as the x86-64/AMD64 psABI)
1120 // Edited by Michael Matz, Jan Hubicka, Andreas Jaeger, and Mark Mitchell
1121 // current version is 0.99.6 released 2012-07-02 at http://refspecs.linuxfoundation.org/elf/x86-64-abi-0.99.pdf
1124 ABISysV_x86_64::RegisterIsCalleeSaved (const RegisterInfo *reg_info)
1128 // Preserved registers are :
1129 // rbx, rsp, rbp, r12, r13, r14, r15
1130 // mxcsr (partially preserved)
1133 const char *name = reg_info->name;
1138 case '1': // r12, r13, r14, r15
1139 if (name[2] >= '2' && name[2] <= '5')
1140 return name[3] == '\0';
1148 // Accept shorter-variant versions, rbx/ebx, rip/ eip, etc.
1149 if (name[0] == 'r' || name[0] == 'e')
1153 case 'b': // rbp, rbx
1154 if (name[2] == 'p' || name[2] == 'x')
1155 return name[3] == '\0';
1160 return name[3] == '\0';
1165 return name[3] == '\0';
1170 if (name[0] == 's' && name[1] == 'p' && name[2] == '\0') // sp
1172 if (name[0] == 'f' && name[1] == 'p' && name[2] == '\0') // fp
1174 if (name[0] == 'p' && name[1] == 'c' && name[2] == '\0') // pc
1183 ABISysV_x86_64::Initialize()
1185 PluginManager::RegisterPlugin (GetPluginNameStatic(),
1186 "System V ABI for x86_64 targets",
1191 ABISysV_x86_64::Terminate()
1193 PluginManager::UnregisterPlugin (CreateInstance);
1196 lldb_private::ConstString
1197 ABISysV_x86_64::GetPluginNameStatic()
1199 static ConstString g_name("sysv-x86_64");
1203 //------------------------------------------------------------------
1204 // PluginInterface protocol
1205 //------------------------------------------------------------------
1206 lldb_private::ConstString
1207 ABISysV_x86_64::GetPluginName()
1209 return GetPluginNameStatic();
1213 ABISysV_x86_64::GetPluginVersion()