mirror/tracy
1
0
Fork 0
mirror of https://github.com/wolfpld/tracy.git synced 2024-11-22 14:44:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Query jump and call target addresses.

Browse Source 
This enables discovery of target function names (and recursively, their
bodies), even if such function has no samples and is not present in any
callstack.
This commit is contained in:
Bartosz Taudul 2023-01-22 02:06:43 +01:00
parent baaed68bcf
commit c59413ab56
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3
1 changed files with 44 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
server/TracyWorker.cpp
View File

@ -3917,19 +3917,60 @@ void Worker::AddSymbolCode( uint64_t ptr, const char* data, size_t sz )
break;
}
if( rval != CS_ERR_OK ) return;
cs_option( handle, CS_OPT_DETAIL, CS_OPT_ON );
cs_insn* insn;
size_t cnt = cs_disasm( handle, (const uint8_t*)code, sz, ptr, 0, &insn );
if( cnt > 0 )
{
for( size_t i=0; i<cnt; i++ )
{
const auto addr = insn[i].address;
const auto ptr = PackPointer( addr );
if( m_data.callstackFrameMap.find( ptr ) == m_data.callstackFrameMap.end() )
const auto& op = insn[i];
const auto addr = op.address;
if( m_data.callstackFrameMap.find( PackPointer( addr ) ) == m_data.callstackFrameMap.end() )
{
m_pendingCallstackFrames++;
Query( ServerQueryCallstackFrame, addr );
}
uint64_t callAddr = 0;
const auto& detail = *op.detail;
for( auto j=0; j<detail.groups_count; j++ )
{
if( detail.groups[j] == CS_GRP_JUMP || detail.groups[j] == CS_GRP_CALL )
{
switch( GetCpuArch() )
{
case CpuArchX86:
case CpuArchX64:
if( detail.x86.op_count == 1 && detail.x86.operands[0].type == X86_OP_IMM )
{
callAddr = (uint64_t)detail.x86.operands[0].imm;
}
break;
case CpuArchArm32:
if( detail.arm.op_count == 1 && detail.arm.operands[0].type == ARM_OP_IMM )
{
callAddr = (uint64_t)detail.arm.operands[0].imm;
}
break;
case CpuArchArm64:
if( detail.arm64.op_count == 1 && detail.arm64.operands[0].type == ARM64_OP_IMM )
{
callAddr = (uint64_t)detail.arm64.operands[0].imm;
}
break;
default:
assert( false );
break;
}
if( callAddr != 0 ) break;
}
}
if( callAddr != 0 && m_data.callstackFrameMap.find( PackPointer( callAddr ) ) == m_data.callstackFrameMap.end() )
{
m_pendingCallstackFrames++;
Query( ServerQueryCallstackFrame, callAddr );
}
}
cs_free( insn, cnt );
}