process.cc (10223:34f48d0dac97) process.cc (10318:98771a936b61)
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 72 unchanged lines hidden (view full) ---

81static const int NumArgumentRegs32 = sizeof(ArgumentReg) / sizeof(const int);
82
83X86LiveProcess::X86LiveProcess(LiveProcessParams * params, ObjectFile *objFile,
84 SyscallDesc *_syscallDescs, int _numSyscallDescs) :
85 LiveProcess(params, objFile), syscallDescs(_syscallDescs),
86 numSyscallDescs(_numSyscallDescs)
87{
88 brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 72 unchanged lines hidden (view full) ---

81static const int NumArgumentRegs32 = sizeof(ArgumentReg) / sizeof(const int);
82
83X86LiveProcess::X86LiveProcess(LiveProcessParams * params, ObjectFile *objFile,
84 SyscallDesc *_syscallDescs, int _numSyscallDescs) :
85 LiveProcess(params, objFile), syscallDescs(_syscallDescs),
86 numSyscallDescs(_numSyscallDescs)
87{
88 brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
89 brk_point = roundUp(brk_point, VMPageSize);
89 brk_point = roundUp(brk_point, PageBytes);
90}
91
92X86_64LiveProcess::X86_64LiveProcess(LiveProcessParams *params,
93 ObjectFile *objFile, SyscallDesc *_syscallDescs,
94 int _numSyscallDescs) :
95 X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
96{
97
98 vsyscallPage.base = 0xffffffffff600000ULL;
90}
91
92X86_64LiveProcess::X86_64LiveProcess(LiveProcessParams *params,
93 ObjectFile *objFile, SyscallDesc *_syscallDescs,
94 int _numSyscallDescs) :
95 X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
96{
97
98 vsyscallPage.base = 0xffffffffff600000ULL;
99 vsyscallPage.size = VMPageSize;
99 vsyscallPage.size = PageBytes;
100 vsyscallPage.vtimeOffset = 0x400;
101 vsyscallPage.vgettimeofdayOffset = 0x0;
102
103 // Set up stack. On X86_64 Linux, stack goes from the top of memory
104 // downward, less the hole for the kernel address space plus one page
105 // for undertermined purposes.
106 stack_base = (Addr)0x7FFFFFFFF000ULL;
107

--- 20 unchanged lines hidden (view full) ---

128
129
130I386LiveProcess::I386LiveProcess(LiveProcessParams *params,
131 ObjectFile *objFile, SyscallDesc *_syscallDescs,
132 int _numSyscallDescs) :
133 X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
134{
135 _gdtStart = ULL(0xffffd000);
100 vsyscallPage.vtimeOffset = 0x400;
101 vsyscallPage.vgettimeofdayOffset = 0x0;
102
103 // Set up stack. On X86_64 Linux, stack goes from the top of memory
104 // downward, less the hole for the kernel address space plus one page
105 // for undertermined purposes.
106 stack_base = (Addr)0x7FFFFFFFF000ULL;
107

--- 20 unchanged lines hidden (view full) ---

128
129
130I386LiveProcess::I386LiveProcess(LiveProcessParams *params,
131 ObjectFile *objFile, SyscallDesc *_syscallDescs,
132 int _numSyscallDescs) :
133 X86LiveProcess(params, objFile, _syscallDescs, _numSyscallDescs)
134{
135 _gdtStart = ULL(0xffffd000);
136 _gdtSize = VMPageSize;
136 _gdtSize = PageBytes;
137
138 vsyscallPage.base = 0xffffe000ULL;
137
138 vsyscallPage.base = 0xffffe000ULL;
139 vsyscallPage.size = VMPageSize;
139 vsyscallPage.size = PageBytes;
140 vsyscallPage.vsyscallOffset = 0x400;
141 vsyscallPage.vsysexitOffset = 0x410;
142
143 stack_base = _gdtStart;
144
145 // Set pointer for next thread stack. Reserve 8M for main stack.
146 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
147

--- 10 unchanged lines hidden (view full) ---

158 return &syscallDescs[callnum];
159}
160
161void
162X86_64LiveProcess::initState()
163{
164 X86LiveProcess::initState();
165
140 vsyscallPage.vsyscallOffset = 0x400;
141 vsyscallPage.vsysexitOffset = 0x410;
142
143 stack_base = _gdtStart;
144
145 // Set pointer for next thread stack. Reserve 8M for main stack.
146 next_thread_stack_base = stack_base - (8 * 1024 * 1024);
147

--- 10 unchanged lines hidden (view full) ---

158 return &syscallDescs[callnum];
159}
160
161void
162X86_64LiveProcess::initState()
163{
164 X86LiveProcess::initState();
165
166 argsInit(sizeof(uint64_t), VMPageSize);
166 argsInit(sizeof(uint64_t), PageBytes);
167
168 // Set up the vsyscall page for this process.
169 allocateMem(vsyscallPage.base, vsyscallPage.size);
170 uint8_t vtimeBlob[] = {
171 0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
172 0x0f,0x05, // syscall
173 0xc3 // retq
174 };

--- 78 unchanged lines hidden (view full) ---

253 }
254}
255
256void
257I386LiveProcess::initState()
258{
259 X86LiveProcess::initState();
260
167
168 // Set up the vsyscall page for this process.
169 allocateMem(vsyscallPage.base, vsyscallPage.size);
170 uint8_t vtimeBlob[] = {
171 0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
172 0x0f,0x05, // syscall
173 0xc3 // retq
174 };

--- 78 unchanged lines hidden (view full) ---

253 }
254}
255
256void
257I386LiveProcess::initState()
258{
259 X86LiveProcess::initState();
260
261 argsInit(sizeof(uint32_t), VMPageSize);
261 argsInit(sizeof(uint32_t), PageBytes);
262
263 /*
264 * Set up a GDT for this process. The whole GDT wouldn't really be for
265 * this process, but the only parts we care about are.
266 */
267 allocateMem(_gdtStart, _gdtSize);
268 uint64_t zero = 0;
269 assert(_gdtSize % sizeof(zero) == 0);

--- 199 unchanged lines hidden (view full) ---

469// X86_AutomaticClockControl |
470// X86_IA64Processor |
471 0;
472
473 //Bits which describe the system hardware capabilities
474 //XXX Figure out what these should be
475 auxv.push_back(auxv_t(M5_AT_HWCAP, features));
476 //The system page size
262
263 /*
264 * Set up a GDT for this process. The whole GDT wouldn't really be for
265 * this process, but the only parts we care about are.
266 */
267 allocateMem(_gdtStart, _gdtSize);
268 uint64_t zero = 0;
269 assert(_gdtSize % sizeof(zero) == 0);

--- 199 unchanged lines hidden (view full) ---

469// X86_AutomaticClockControl |
470// X86_IA64Processor |
471 0;
472
473 //Bits which describe the system hardware capabilities
474 //XXX Figure out what these should be
475 auxv.push_back(auxv_t(M5_AT_HWCAP, features));
476 //The system page size
477 auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::VMPageSize));
477 auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::PageBytes));
478 //Frequency at which times() increments
479 //Defined to be 100 in the kernel source.
480 auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
481 // For statically linked executables, this is the virtual address of the
482 // program header tables if they appear in the executable image
483 auxv.push_back(auxv_t(M5_AT_PHDR, elfObject->programHeaderTable()));
484 // This is the size of a program header entry from the elf file.
485 auxv.push_back(auxv_t(M5_AT_PHENT, elfObject->programHeaderSize()));

--- 238 unchanged lines hidden --- 		478 //Frequency at which times() increments
479 //Defined to be 100 in the kernel source.
480 auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
481 // For statically linked executables, this is the virtual address of the
482 // program header tables if they appear in the executable image
483 auxv.push_back(auxv_t(M5_AT_PHDR, elfObject->programHeaderTable()));
484 // This is the size of a program header entry from the elf file.
485 auxv.push_back(auxv_t(M5_AT_PHENT, elfObject->programHeaderSize()));

--- 238 unchanged lines hidden ---