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swiftshader
Commit f110e4d2 by Nicolas Capens
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Unconditionally compile relocation code.

This fixes a pedantic warning about 'patchSite' being an unused variable. Change-Id: I2540461fb3da98cebf94350f731fe452e9768b8f Reviewed-on: https://swiftshader-review.googlesource.com/9610Tested-by: 's avatarNicolas Capens <capn@google.com> Reviewed-by: 's avatarCorentin Wallez <cwallez@google.com> Reviewed-by: 's avatarNicolas Capens <capn@google.com>
parent b8afba1c
Showing with 42 additions and 40 deletions
src/Reactor/SubzeroReactor.cpp
......@@ -244,23 +244,8 @@ namespace sw
}
}
#if defined(__i386__)
switch(relocation.getType())
{
case R_386_NONE:
// No relocation
break;
case R_386_32:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite);
break;
// case R_386_PC32:
// *patchSite = (int32_t)((intptr_t)symbolValue + *patchSite - (intptr_t)patchSite);
// break;
default:
assert(false && "Unsupported relocation type");
return nullptr;
}
#elif defined(__arm__)
if(CPUID::ARM)
{
switch(relocation.getType())
{
case R_ARM_NONE:
......@@ -269,13 +254,13 @@ namespace sw
case R_ARM_MOVW_ABS_NC:
{
uint32_t thumb = 0; // Calls to Thumb code not supported.
uint32_t lo = (uint32_t)symbolValue | thumb;
uint32_t lo = (uint32_t)(intptr_t)symbolValue | thumb;
*patchSite = (*patchSite & 0xFFF0F000) | ((lo & 0xF000) << 4) | (lo & 0x0FFF);
}
break;
case R_ARM_MOVT_ABS:
{
uint32_t hi = (uint32_t)(symbolValue) >> 16;
uint32_t hi = (uint32_t)(intptr_t)(symbolValue) >> 16;
*patchSite = (*patchSite & 0xFFF0F000) | ((hi & 0xF000) << 4) | (hi & 0x0FFF);
}
break;
......@@ -283,7 +268,26 @@ namespace sw
assert(false && "Unsupported relocation type");
return nullptr;
}
#endif
}
else
{
switch(relocation.getType())
{
case R_386_NONE:
// No relocation
break;
case R_386_32:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite);
break;
// case R_386_PC32:
// *patchSite = (int32_t)((intptr_t)symbolValue + *patchSite - (intptr_t)patchSite);
// break;
default:
assert(false && "Unsupported relocation type");
return nullptr;
}
}
return symbolValue;
}
......@@ -325,26 +329,24 @@ namespace sw
}
}
#if defined(__x86_64__)
switch(relocation.getType())
{
case R_X86_64_NONE:
// No relocation
break;
case R_X86_64_64:
*(int64_t*)patchSite = (int64_t)((intptr_t)symbolValue + *(int64_t*)patchSite) + relocation.r_addend;
break;
case R_X86_64_PC32:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite - (intptr_t)patchSite) + relocation.r_addend;
break;
case R_X86_64_32S:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite) + relocation.r_addend;
break;
default:
assert(false && "Unsupported relocation type");
return nullptr;
}
#endif
switch(relocation.getType())
{
case R_X86_64_NONE:
// No relocation
break;
case R_X86_64_64:
*(int64_t*)patchSite = (int64_t)((intptr_t)symbolValue + *(int64_t*)patchSite) + relocation.r_addend;
break;
case R_X86_64_PC32:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite - (intptr_t)patchSite) + relocation.r_addend;
break;
case R_X86_64_32S:
*patchSite = (int32_t)((intptr_t)symbolValue + *patchSite) + relocation.r_addend;
break;
default:
assert(false && "Unsupported relocation type");
return nullptr;
}
return symbolValue;
}
......
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