style: Correct some style issues

This changeset fixes line alignment issues, spacing, spelling,
etc. for files that are used during SE Mode.

Change-Id: Ie61b8d0eb4ebb5af554d72f1297808027833616e
Reviewed-on: https://gem5-review.googlesource.com/2264
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Michael LeBeane <Michael.Lebeane@amd.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr>
This commit is contained in:
Brandon Potter 2017-03-01 13:18:49 -06:00
parent 43418e7f81
commit e5fe2b82b7
7 changed files with 87 additions and 91 deletions

View file

@ -83,7 +83,7 @@ archPrctlFunc(SyscallDesc *desc, int callnum, Process *process,
GetGS = 0x1004
};
//First argument is the code, second is the address
// First argument is the code, second is the address
int index = 0;
int code = process->getSyscallArg(tc, index);
uint64_t addr = process->getSyscallArg(tc, index);
@ -91,7 +91,7 @@ archPrctlFunc(SyscallDesc *desc, int callnum, Process *process,
SETranslatingPortProxy &p = tc->getMemProxy();
switch(code)
{
//Each of these valid options should actually check addr.
// Each of these valid options should actually check addr.
case SetFS:
tc->setMiscRegNoEffect(MISCREG_FS_BASE, addr);
tc->setMiscRegNoEffect(MISCREG_FS_EFF_BASE, addr);

View file

@ -73,9 +73,9 @@ static const int ArgumentReg[] = {
INTREG_RDI,
INTREG_RSI,
INTREG_RDX,
//This argument register is r10 for syscalls and rcx for C.
// This argument register is r10 for syscalls and rcx for C.
INTREG_R10W,
//INTREG_RCX,
// INTREG_RCX,
INTREG_R8W,
INTREG_R9W
};
@ -183,7 +183,7 @@ X86_64Process::initState()
argsInit(PageBytes);
// Set up the vsyscall page for this process.
// Set up the vsyscall page for this process.
allocateMem(vsyscallPage.base, vsyscallPage.size);
uint8_t vtimeBlob[] = {
0x48,0xc7,0xc0,0xc9,0x00,0x00,0x00, // mov $0xc9,%rax
@ -566,7 +566,7 @@ X86_64Process::initState()
dataAttr.expandDown = 0;
dataAttr.system = 1;
//Initialize the segment registers.
// Initialize the segment registers.
for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
@ -598,7 +598,7 @@ X86_64Process::initState()
efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
tc->setMiscReg(MISCREG_EFER, efer);
//Set up the registers that describe the operating mode.
// Set up the registers that describe the operating mode.
CR0 cr0 = 0;
cr0.pg = 1; // Turn on paging.
cr0.cd = 0; // Don't disable caching.
@ -677,7 +677,7 @@ I386Process::initState()
dataAttr.expandDown = 0;
dataAttr.system = 1;
//Initialize the segment registers.
// Initialize the segment registers.
for (int seg = 0; seg < NUM_SEGMENTREGS; seg++) {
tc->setMiscRegNoEffect(MISCREG_SEG_BASE(seg), 0);
tc->setMiscRegNoEffect(MISCREG_SEG_EFF_BASE(seg), 0);
@ -718,7 +718,7 @@ I386Process::initState()
efer.ffxsr = 1; // Turn on fast fxsave and fxrstor.
tc->setMiscReg(MISCREG_EFER, efer);
//Set up the registers that describe the operating mode.
// Set up the registers that describe the operating mode.
CR0 cr0 = 0;
cr0.pg = 1; // Turn on paging.
cr0.cd = 0; // Don't disable caching.
@ -755,7 +755,7 @@ X86Process::argsInit(int pageSize,
else
filename = argv[0];
//We want 16 byte alignment
// We want 16 byte alignment
uint64_t align = 16;
// Patch the ld_bias for dynamic executables.
@ -841,13 +841,13 @@ X86Process::argsInit(int pageSize,
// X86_IA64Processor |
0;
//Bits which describe the system hardware capabilities
//XXX Figure out what these should be
// Bits which describe the system hardware capabilities
// XXX Figure out what these should be
auxv.push_back(auxv_t(M5_AT_HWCAP, features));
//The system page size
// The system page size
auxv.push_back(auxv_t(M5_AT_PAGESZ, X86ISA::PageBytes));
//Frequency at which times() increments
//Defined to be 100 in the kernel source.
// Frequency at which times() increments
// Defined to be 100 in the kernel source.
auxv.push_back(auxv_t(M5_AT_CLKTCK, 100));
// This is the virtual address of the program header tables if they
// appear in the executable image.
@ -860,32 +860,32 @@ X86Process::argsInit(int pageSize,
// zero for static executables or contain the base address for
// dynamic executables.
auxv.push_back(auxv_t(M5_AT_BASE, getBias()));
//XXX Figure out what this should be.
// XXX Figure out what this should be.
auxv.push_back(auxv_t(M5_AT_FLAGS, 0));
//The entry point to the program
// The entry point to the program
auxv.push_back(auxv_t(M5_AT_ENTRY, objFile->entryPoint()));
//Different user and group IDs
// Different user and group IDs
auxv.push_back(auxv_t(M5_AT_UID, uid()));
auxv.push_back(auxv_t(M5_AT_EUID, euid()));
auxv.push_back(auxv_t(M5_AT_GID, gid()));
auxv.push_back(auxv_t(M5_AT_EGID, egid()));
//Whether to enable "secure mode" in the executable
// Whether to enable "secure mode" in the executable
auxv.push_back(auxv_t(M5_AT_SECURE, 0));
//The address of 16 "random" bytes.
// The address of 16 "random" bytes.
auxv.push_back(auxv_t(M5_AT_RANDOM, 0));
//The name of the program
// The name of the program
auxv.push_back(auxv_t(M5_AT_EXECFN, 0));
//The platform string
// The platform string
auxv.push_back(auxv_t(M5_AT_PLATFORM, 0));
}
//Figure out how big the initial stack needs to be
// Figure out how big the initial stack needs to be
// A sentry NULL void pointer at the top of the stack.
int sentry_size = intSize;
//This is the name of the file which is present on the initial stack
//It's purpose is to let the user space linker examine the original file.
// This is the name of the file which is present on the initial stack
// It's purpose is to let the user space linker examine the original file.
int file_name_size = filename.size() + 1;
const int numRandomBytes = 16;
@ -901,10 +901,10 @@ X86Process::argsInit(int pageSize,
for (int i = 0; i < argv.size(); ++i)
arg_data_size += argv[i].size() + 1;
//The info_block needs to be padded so it's size is a multiple of the
//alignment mask. Also, it appears that there needs to be at least some
//padding, so if the size is already a multiple, we need to increase it
//anyway.
// The info_block needs to be padded so its size is a multiple of the
// alignment mask. Also, it appears that there needs to be at least some
// padding, so if the size is already a multiple, we need to increase it
// anyway.
int base_info_block_size =
sentry_size + file_name_size + env_data_size + arg_data_size;
@ -912,7 +912,7 @@ X86Process::argsInit(int pageSize,
int info_block_padding = info_block_size - base_info_block_size;
//Each auxilliary vector is two 8 byte words
// Each auxiliary vector is two 8 byte words
int aux_array_size = intSize * 2 * (auxv.size() + 1);
int envp_array_size = intSize * (envp.size() + 1);
@ -920,15 +920,15 @@ X86Process::argsInit(int pageSize,
int argc_size = intSize;
//Figure out the size of the contents of the actual initial frame
// Figure out the size of the contents of the actual initial frame
int frame_size =
aux_array_size +
envp_array_size +
argv_array_size +
argc_size;
//There needs to be padding after the auxiliary vector data so that the
//very bottom of the stack is aligned properly.
// There needs to be padding after the auxiliary vector data so that the
// very bottom of the stack is aligned properly.
int partial_size = frame_size + aux_data_size;
int aligned_partial_size = roundUp(partial_size, align);
int aux_padding = aligned_partial_size - partial_size;
@ -982,15 +982,14 @@ X86Process::argsInit(int pageSize,
IntType argc = argv.size();
IntType guestArgc = X86ISA::htog(argc);
//Write out the sentry void *
// Write out the sentry void *
IntType sentry_NULL = 0;
initVirtMem.writeBlob(sentry_base,
(uint8_t*)&sentry_NULL, sentry_size);
initVirtMem.writeBlob(sentry_base, (uint8_t*)&sentry_NULL, sentry_size);
//Write the file name
// Write the file name
initVirtMem.writeString(file_name_base, filename.c_str());
//Fix up the aux vectors which point to data
// Fix up the aux vectors which point to data
assert(auxv[auxv.size() - 3].a_type == M5_AT_RANDOM);
auxv[auxv.size() - 3].a_val = aux_data_base;
assert(auxv[auxv.size() - 2].a_type == M5_AT_EXECFN);
@ -998,14 +997,15 @@ X86Process::argsInit(int pageSize,
assert(auxv[auxv.size() - 1].a_type == M5_AT_PLATFORM);
auxv[auxv.size() - 1].a_val = aux_data_base + numRandomBytes;
//Copy the aux stuff
// Copy the aux stuff
for (int x = 0; x < auxv.size(); x++) {
initVirtMem.writeBlob(auxv_array_base + x * 2 * intSize,
(uint8_t*)&(auxv[x].a_type), intSize);
initVirtMem.writeBlob(auxv_array_base + (x * 2 + 1) * intSize,
(uint8_t*)&(auxv[x].a_val), intSize);
}
//Write out the terminating zeroed auxilliary vector
// Write out the terminating zeroed auxiliary vector
const uint64_t zero = 0;
initVirtMem.writeBlob(auxv_array_base + auxv.size() * 2 * intSize,
(uint8_t*)&zero, intSize);
@ -1020,14 +1020,14 @@ X86Process::argsInit(int pageSize,
initVirtMem.writeBlob(argc_base, (uint8_t*)&guestArgc, intSize);
ThreadContext *tc = system->getThreadContext(contextIds[0]);
//Set the stack pointer register
// Set the stack pointer register
tc->setIntReg(StackPointerReg, stack_min);
// There doesn't need to be any segment base added in since we're dealing
// with the flat segmentation model.
tc->pcState(getStartPC());
//Align the "stack_min" to a page boundary.
// Align the "stack_min" to a page boundary.
memState->setStackMin(roundDown(stack_min, pageSize));
}

View file

@ -51,12 +51,11 @@
class ElfObject : public ObjectFile
{
protected:
//The global definition of a "Section" is closest to elf's segments.
// The global definition of a gem5 "Section" is closest to ELF's segments.
typedef ObjectFile::Section Segment;
//These values are provided to a linux process by the kernel, so we
//need to keep them around.
// These values are provided to a linux process by the kernel, so we
// need to keep them around.
Addr _programHeaderTable;
uint16_t _programHeaderSize;
uint16_t _programHeaderCount;

View file

@ -74,7 +74,7 @@ class ObjectFile
uint8_t *fileData;
size_t len;
Arch arch;
Arch arch;
OpSys opSys;
ObjectFile(const std::string &_filename, size_t _len, uint8_t *_data,
@ -114,9 +114,9 @@ class ObjectFile
protected:
struct Section {
Addr baseAddr;
Addr baseAddr;
uint8_t *fileImage;
size_t size;
size_t size;
};
Addr entry;

View file

@ -340,7 +340,7 @@ Process::fixupStackFault(Addr vaddr)
fatal("Maximum stack size exceeded\n");
allocateMem(stack_min, TheISA::PageBytes);
inform("Increasing stack size by one page.");
};
}
memState->setStackMin(stack_min);
return true;
}

View file

@ -177,8 +177,7 @@ brkFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
tp.memsetBlob(gen.addr(), zero, size_needed);
if (gen.addr() + PageBytes > next_page &&
next_page < new_brk &&
p->pTable->translate(next_page))
{
p->pTable->translate(next_page)) {
size_needed = PageBytes - size_needed;
tp.memsetBlob(next_page, zero, size_needed);
}
@ -218,7 +217,7 @@ readFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
{
int index = 0;
int tgt_fd = p->getSyscallArg(tc, index);
Addr bufPtr = p->getSyscallArg(tc, index);
Addr buf_ptr = p->getSyscallArg(tc, index);
int nbytes = p->getSyscallArg(tc, index);
auto hbfdp = std::dynamic_pointer_cast<HBFDEntry>((*p->fds)[tgt_fd]);
@ -226,7 +225,7 @@ readFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
return -EBADF;
int sim_fd = hbfdp->getSimFD();
BufferArg bufArg(bufPtr, nbytes);
BufferArg bufArg(buf_ptr, nbytes);
int bytes_read = read(sim_fd, bufArg.bufferPtr(), nbytes);
if (bytes_read > 0)
@ -240,7 +239,7 @@ writeFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
{
int index = 0;
int tgt_fd = p->getSyscallArg(tc, index);
Addr bufPtr = p->getSyscallArg(tc, index);
Addr buf_ptr = p->getSyscallArg(tc, index);
int nbytes = p->getSyscallArg(tc, index);
auto hbfdp = std::dynamic_pointer_cast<HBFDEntry>((*p->fds)[tgt_fd]);
@ -248,7 +247,7 @@ writeFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
return -EBADF;
int sim_fd = hbfdp->getSimFD();
BufferArg bufArg(bufPtr, nbytes);
BufferArg bufArg(buf_ptr, nbytes);
bufArg.copyIn(tc->getMemProxy());
int bytes_written = write(sim_fd, bufArg.bufferPtr(), nbytes);
@ -324,9 +323,9 @@ SyscallReturn
gethostnameFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
{
int index = 0;
Addr bufPtr = p->getSyscallArg(tc, index);
Addr buf_ptr = p->getSyscallArg(tc, index);
int name_len = p->getSyscallArg(tc, index);
BufferArg name(bufPtr, name_len);
BufferArg name(buf_ptr, name_len);
strncpy((char *)name.bufferPtr(), hostname, name_len);
@ -340,9 +339,9 @@ getcwdFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
{
int result = 0;
int index = 0;
Addr bufPtr = p->getSyscallArg(tc, index);
Addr buf_ptr = p->getSyscallArg(tc, index);
unsigned long size = p->getSyscallArg(tc, index);
BufferArg buf(bufPtr, size);
BufferArg buf(buf_ptr, size);
// Is current working directory defined?
string cwd = p->getcwd();
@ -386,10 +385,10 @@ readlinkFunc(SyscallDesc *desc, int num, Process *p, ThreadContext *tc,
// Adjust path for current working directory
path = p->fullPath(path);
Addr bufPtr = p->getSyscallArg(tc, index);
Addr buf_ptr = p->getSyscallArg(tc, index);
size_t bufsiz = p->getSyscallArg(tc, index);
BufferArg buf(bufPtr, bufsiz);
BufferArg buf(buf_ptr, bufsiz);
int result = -1;
if (path != "/proc/self/exe") {
@ -539,7 +538,7 @@ truncate64Func(SyscallDesc *desc, int num,
string path;
if (!tc->getMemProxy().tryReadString(path, process->getSyscallArg(tc, index)))
return -EFAULT;
return -EFAULT;
int64_t length = process->getSyscallArg(tc, index, 64);
@ -729,7 +728,6 @@ fcntl64Func(SyscallDesc *desc, int num, Process *p, ThreadContext *tc)
// to the underlying OS
warn("fcntl64(%d, %d) passed through to host\n", tgt_fd, cmd);
return fcntl(sim_fd, cmd);
// return 0;
}
}
@ -823,8 +821,8 @@ getuidPseudoFunc(SyscallDesc *desc, int callnum, Process *process,
// simulation to be deterministic.
// EUID goes in r20.
tc->setIntReg(SyscallPseudoReturnReg, process->euid()); //EUID
return process->uid(); // UID
tc->setIntReg(SyscallPseudoReturnReg, process->euid()); // EUID
return process->uid(); // UID
}
@ -833,7 +831,7 @@ getgidPseudoFunc(SyscallDesc *desc, int callnum, Process *process,
ThreadContext *tc)
{
// Get current group ID. EGID goes in r20.
tc->setIntReg(SyscallPseudoReturnReg, process->egid()); //EGID
tc->setIntReg(SyscallPseudoReturnReg, process->egid()); // EGID
return process->gid();
}

View file

@ -285,8 +285,8 @@ SyscallReturn accessFunc(SyscallDesc *desc, int num,
int index);
/// Futex system call
/// Implemented by Daniel Sanchez
/// Used by printf's in multi-threaded apps
/// Implemented by Daniel Sanchez
/// Used by printf's in multi-threaded apps
template <class OS>
SyscallReturn
futexFunc(SyscallDesc *desc, int callnum, Process *process,
@ -477,7 +477,7 @@ convertStatBuf(target_stat &tgt, host_stat *host, bool fakeTTY = false)
tgt->st_mtimeX = TheISA::htog(tgt->st_mtimeX);
tgt->st_ctimeX = host->st_ctime;
tgt->st_ctimeX = TheISA::htog(tgt->st_ctimeX);
// Force the block size to be 8k. This helps to ensure buffered io works
// Force the block size to be 8KB. This helps to ensure buffered io works
// consistently across different hosts.
tgt->st_blksize = 0x2000;
tgt->st_blksize = TheISA::htog(tgt->st_blksize);
@ -508,11 +508,11 @@ convertStat64Buf(target_stat &tgt, host_stat64 *host, bool fakeTTY = false)
#endif
}
//Here are a couple convenience functions
// Here are a couple of convenience functions
template<class OS>
static void
copyOutStatBuf(SETranslatingPortProxy &mem, Addr addr,
hst_stat *host, bool fakeTTY = false)
hst_stat *host, bool fakeTTY = false)
{
typedef TypedBufferArg<typename OS::tgt_stat> tgt_stat_buf;
tgt_stat_buf tgt(addr);
@ -523,7 +523,7 @@ copyOutStatBuf(SETranslatingPortProxy &mem, Addr addr,
template<class OS>
static void
copyOutStat64Buf(SETranslatingPortProxy &mem, Addr addr,
hst_stat64 *host, bool fakeTTY = false)
hst_stat64 *host, bool fakeTTY = false)
{
typedef TypedBufferArg<typename OS::tgt_stat64> tgt_stat_buf;
tgt_stat_buf tgt(addr);
@ -1604,24 +1604,24 @@ getrlimitFunc(SyscallDesc *desc, int callnum, Process *process,
TypedBufferArg<typename OS::rlimit> rlp(process->getSyscallArg(tc, index));
switch (resource) {
case OS::TGT_RLIMIT_STACK:
// max stack size in bytes: make up a number (8MB for now)
rlp->rlim_cur = rlp->rlim_max = 8 * 1024 * 1024;
rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
rlp->rlim_max = TheISA::htog(rlp->rlim_max);
break;
case OS::TGT_RLIMIT_STACK:
// max stack size in bytes: make up a number (8MB for now)
rlp->rlim_cur = rlp->rlim_max = 8 * 1024 * 1024;
rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
rlp->rlim_max = TheISA::htog(rlp->rlim_max);
break;
case OS::TGT_RLIMIT_DATA:
// max data segment size in bytes: make up a number
rlp->rlim_cur = rlp->rlim_max = 256 * 1024 * 1024;
rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
rlp->rlim_max = TheISA::htog(rlp->rlim_max);
break;
case OS::TGT_RLIMIT_DATA:
// max data segment size in bytes: make up a number
rlp->rlim_cur = rlp->rlim_max = 256 * 1024 * 1024;
rlp->rlim_cur = TheISA::htog(rlp->rlim_cur);
rlp->rlim_max = TheISA::htog(rlp->rlim_max);
break;
default:
warn("getrlimit: unimplemented resource %d", resource);
return -EINVAL;
break;
default:
warn("getrlimit: unimplemented resource %d", resource);
return -EINVAL;
break;
}
rlp.copyOut(tc->getMemProxy());
@ -1703,8 +1703,7 @@ utimesFunc(SyscallDesc *desc, int callnum, Process *process,
tp.copyIn(tc->getMemProxy());
struct timeval hostTimeval[2];
for (int i = 0; i < 2; ++i)
{
for (int i = 0; i < 2; ++i) {
hostTimeval[i].tv_sec = TheISA::gtoh((*tp)[i].tv_sec);
hostTimeval[i].tv_usec = TheISA::gtoh((*tp)[i].tv_usec);
}