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[debugserver] Fix more compiler warnings on arm64

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This fixes the following two warnings in code that's only compiled on
arm64:

 - warning: cast from 'const void *' to 'unsigned char *' drops const
   qualifier [-Wcast-qual]
 - warning: embedding a directive within macro arguments has undefined
   behavior [-Wembedded-directive]
This commit is contained in:
Jonas Devlieghere 2021-03-03 23:09:58 -08:00
parent c793f68d9b
commit 3dcbfa27d4
2 changed files with 17 additions and 14 deletions
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4
lldb/tools/debugserver/source/MacOSX/arm/DNBArchImpl.cpp
View File

@ -2118,7 +2118,7 @@ nub_size_t DNBArchMachARM::SetRegisterContext(const void *buf,
// Copy each struct individually to avoid any padding that might be between
// the structs in m_state.context
uint8_t *p = (uint8_t *)buf;
uint8_t *p = const_cast<uint8_t*>(reinterpret_cast<const uint8_t *>(buf));
::memcpy(&m_state.context.gpr, p, sizeof(m_state.context.gpr));
p += sizeof(m_state.context.gpr);
::memcpy(&m_state.context.vfp, p, sizeof(m_state.context.vfp));
@ -2126,7 +2126,7 @@ nub_size_t DNBArchMachARM::SetRegisterContext(const void *buf,
::memcpy(&m_state.context.exc, p, sizeof(m_state.context.exc));
p += sizeof(m_state.context.exc);
size_t bytes_written = p - (uint8_t *)buf;
size_t bytes_written = p - reinterpret_cast<const uint8_t *>(buf);
UNUSED_IF_ASSERT_DISABLED(bytes_written);
assert(bytes_written == size);

27
lldb/tools/debugserver/source/MacOSX/arm64/DNBArchImplARM64.cpp
View File

@ -149,6 +149,18 @@ kern_return_t DNBArchMachARM64::GetGPRState(bool force) {
(thread_state_t)&m_state.context.gpr, &count);
if (DNBLogEnabledForAny(LOG_THREAD)) {
uint64_t *x = &m_state.context.gpr.__x[0];
#if defined(__LP64__)
uint64_t log_fp = arm_thread_state64_get_fp(m_state.context.gpr);
uint64_t log_lr = arm_thread_state64_get_lr(m_state.context.gpr);
uint64_t log_sp = arm_thread_state64_get_sp(m_state.context.gpr);
uint64_t log_pc = arm_thread_state64_get_pc(m_state.context.gpr);
#else
uint64_t log_fp = m_state.context.gpr.__fp;
uint64_t log_fp = m_state.context.gpr.__lr;
uint64_t log_fp = m_state.context.gpr.__sp;
uint64_t log_fp = m_state.context.gpr.__pc,
#endif
DNBLogThreaded(
"thread_get_state(0x%4.4x, %u, &gpr, %u) => 0x%8.8x (count = %u) regs"
"\n x0=%16.16llx"
@ -189,16 +201,7 @@ kern_return_t DNBArchMachARM64::GetGPRState(bool force) {
x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7], x[8], x[9], x[0], x[11],
x[12], x[13], x[14], x[15], x[16], x[17], x[18], x[19], x[20], x[21],
x[22], x[23], x[24], x[25], x[26], x[27], x[28],
#if defined(__LP64__)
(uint64_t) arm_thread_state64_get_fp (m_state.context.gpr),
(uint64_t) arm_thread_state64_get_lr (m_state.context.gpr),
(uint64_t) arm_thread_state64_get_sp (m_state.context.gpr),
(uint64_t) arm_thread_state64_get_pc (m_state.context.gpr),
#else
m_state.context.gpr.__fp, m_state.context.gpr.__lr,
m_state.context.gpr.__sp, m_state.context.gpr.__pc,
#endif
m_state.context.gpr.__cpsr);
log_fp, log_lr, log_sp, log_pc, m_state.context.gpr.__cpsr);
}
m_state.SetError(set, Read, kret);
return kret;
@ -2280,7 +2283,7 @@ nub_size_t DNBArchMachARM64::SetRegisterContext(const void *buf,
// Copy each struct individually to avoid any padding that might be between
// the structs in m_state.context
uint8_t *p = (uint8_t *)buf;
uint8_t *p = const_cast<uint8_t*>(reinterpret_cast<const uint8_t *>(buf));
::memcpy(&m_state.context.gpr, p, sizeof(m_state.context.gpr));
p += sizeof(m_state.context.gpr);
::memcpy(&m_state.context.vfp, p, sizeof(m_state.context.vfp));
@ -2288,7 +2291,7 @@ nub_size_t DNBArchMachARM64::SetRegisterContext(const void *buf,
::memcpy(&m_state.context.exc, p, sizeof(m_state.context.exc));
p += sizeof(m_state.context.exc);
size_t bytes_written = p - (uint8_t *)buf;
size_t bytes_written = p - reinterpret_cast<const uint8_t *>(buf);
UNUSED_IF_ASSERT_DISABLED(bytes_written);
assert(bytes_written == size);
SetGPRState();