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For llvm-objdump for Mach-O files add printing of

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the ARM_THREAD_STATE in the same format as
otool-classic(1) on darwin.

Also remove an extra space in printing the initprot to make
the output match otool-classic(1) on darwin.

rdar://28851457

llvm-svn: 284852
This commit is contained in:
Kevin Enderby 2016-10-21 18:22:35 +00:00
parent 892e568ce5
commit 73382bacd0
3 changed files with 82 additions and 2 deletions
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BIN
test/tools/llvm-objdump/ARM/Inputs/thumb.armv7m Executable file
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13
test/tools/llvm-objdump/ARM/macho-private-headers.test
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@ -1,6 +1,8 @@
// RUN: llvm-objdump -p %p/Inputs/hello.obj.macho-arm | FileCheck %s
// RUN: llvm-objdump -p %p/Inputs/hello.exe.macho-arm \
// RUN: | FileCheck %s -check-prefix=EXE
// RUN: llvm-objdump -macho -private-headers %p/Inputs/thumb.armv7m \
// RUN: | FileCheck %s -check-prefix=THREAD
CHECK: Mach header
CHECK: magic cputype cpusubtype caps filetype ncmds sizeofcmds flags
@ -343,3 +345,14 @@ EXE: cmd LC_DYLIB_CODE_SIGN_DRS
EXE: cmdsize 16
EXE: dataoff 49244
EXE: datasize 20
THREAD: Load command 6
THREAD: cmd LC_UNIXTHREAD
THREAD: cmdsize 84
THREAD: flavor ARM_THREAD_STATE
THREAD: count ARM_THREAD_STATE_COUNT
THREAD: r0 0x00000000 r1 0x00000000 r2 0x00000000 r3 0x00000000
THREAD: r4 0x00000000 r5 0x00000000 r6 0x00000000 r7 0x00000000
THREAD: r8 0x00000000 r9 0x00000000 r10 0x00000000 r11 0x00000000
THREAD: r12 0x00000000 sp 0x00000000 lr 0x00000000 pc 0x00001fff
THREAD: cpsr 0x00000000

71
tools/llvm-objdump/MachODump.cpp
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@ -7745,9 +7745,9 @@ static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
if ((initprot &
~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
MachO::VM_PROT_EXECUTE)) != 0)
outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
else {
outs() << " initprot ";
outs() << " initprot ";
outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
@ -8640,6 +8640,26 @@ static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n";
}
static void Print_arm_thread_state32_t(MachO::arm_thread_state32_t &cpu32) {
outs() << "\t r0 " << format("0x%08" PRIx32, cpu32.r[0]);
outs() << " r1 " << format("0x%08" PRIx32, cpu32.r[1]);
outs() << " r2 " << format("0x%08" PRIx32, cpu32.r[2]);
outs() << " r3 " << format("0x%08" PRIx32, cpu32.r[3]) << "\n";
outs() << "\t r4 " << format("0x%08" PRIx32, cpu32.r[4]);
outs() << " r5 " << format("0x%08" PRIx32, cpu32.r[5]);
outs() << " r6 " << format("0x%08" PRIx32, cpu32.r[6]);
outs() << " r7 " << format("0x%08" PRIx32, cpu32.r[7]) << "\n";
outs() << "\t r8 " << format("0x%08" PRIx32, cpu32.r[8]);
outs() << " r9 " << format("0x%08" PRIx32, cpu32.r[9]);
outs() << " r10 " << format("0x%08" PRIx32, cpu32.r[10]);
outs() << " r11 " << format("0x%08" PRIx32, cpu32.r[11]) << "\n";
outs() << "\t r12 " << format("0x%08" PRIx32, cpu32.r[12]);
outs() << " sp " << format("0x%08" PRIx32, cpu32.sp);
outs() << " lr " << format("0x%08" PRIx32, cpu32.lr);
outs() << " pc " << format("0x%08" PRIx32, cpu32.pc) << "\n";
outs() << "\t cpsr " << format("0x%08" PRIx32, cpu32.cpsr) << "\n";
}
static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
bool isLittleEndian, uint32_t cputype) {
if (t.cmd == MachO::LC_THREAD)
@ -8796,6 +8816,53 @@ static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
begin += count * sizeof(uint32_t);
}
}
} else if (cputype == MachO::CPU_TYPE_ARM) {
while (begin < end) {
if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
memcpy((char *)&flavor, begin, sizeof(uint32_t));
begin += sizeof(uint32_t);
} else {
flavor = 0;
begin = end;
}
if (isLittleEndian != sys::IsLittleEndianHost)
sys::swapByteOrder(flavor);
if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
memcpy((char *)&count, begin, sizeof(uint32_t));
begin += sizeof(uint32_t);
} else {
count = 0;
begin = end;
}
if (isLittleEndian != sys::IsLittleEndianHost)
sys::swapByteOrder(count);
if (flavor == MachO::ARM_THREAD_STATE) {
outs() << " flavor ARM_THREAD_STATE\n";
if (count == MachO::ARM_THREAD_STATE_COUNT)
outs() << " count ARM_THREAD_STATE_COUNT\n";
else
outs() << " count " << count
<< " (not ARM_THREAD_STATE_COUNT)\n";
MachO::arm_thread_state32_t cpu32;
left = end - begin;
if (left >= sizeof(MachO::arm_thread_state32_t)) {
memcpy(&cpu32, begin, sizeof(MachO::arm_thread_state32_t));
begin += sizeof(MachO::arm_thread_state32_t);
} else {
memset(&cpu32, '\0', sizeof(MachO::arm_thread_state32_t));
memcpy(&cpu32, begin, left);
begin += left;
}
if (isLittleEndian != sys::IsLittleEndianHost)
swapStruct(cpu32);
Print_arm_thread_state32_t(cpu32);
} else {
outs() << " flavor " << flavor << " (unknown)\n";
outs() << " count " << count << "\n";
outs() << " state (unknown)\n";
begin += count * sizeof(uint32_t);
}
}
} else {
while (begin < end) {
if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {