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[ELF][Hexagon] remove duplicated code 

llvm-svn: 178027
This commit is contained in:
Shankar Easwaran 2013-03-26 15:06:52 +00:00
parent ea95898f29
commit c3048de5ac
1 changed files with 27 additions and 59 deletions
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86
lld/lib/ReaderWriter/ELF/Hexagon/HexagonRelocationHandler.cpp
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@ -19,15 +19,19 @@ using namespace elf;
using namespace llvm::ELF;
namespace {
#define APPLY_RELOC(result) \
*reinterpret_cast<llvm::support::ulittle32_t *>(location) = \
result | \
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
int relocBNPCREL(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int32_t nBits) {
int32_t result = (uint32_t)(((S + A) - P) >> 2);
int32_t range = 1 << nBits;
if (result < range && result > -range) {
result = lld::scatterBits<int32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
return 1;
@ -37,26 +41,22 @@ int relocBNPCREL(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int relocLO16(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint32_t result = (uint32_t)(S + A);
result = lld::scatterBits<int32_t>(result, 0x00c03fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
(uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
/// \brief Word32_LO: 0x00c03fff : (S + A) >> 16 : Truncate
int relocHI16(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint32_t result = (uint32_t)((S + A)>>16);
uint32_t result = (uint32_t)((S + A) >> 16);
result = lld::scatterBits<int32_t>(result, 0x00c03fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) = result |
(uint32_t)*reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
/// \brief Word32: 0xffffffff : (S + A) : Truncate
int reloc32(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint32_t result = (uint32_t)(S + A);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -66,9 +66,7 @@ int reloc32_6_X(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
if (result > range)
return 1;
result = lld::scatterBits<int32_t>(result, 0xfff3fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -76,9 +74,7 @@ int reloc32_6_X(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
int relocHexB32PCRELX(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
int64_t result = ((S + A - P) >> 6);
result = lld::scatterBits<int32_t>(result, 0xfff3fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -89,9 +85,7 @@ int relocHexBNPCRELX(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int32_t range = 1 << nbits;
if (result < range && result > -range) {
result = lld::scatterBits<int32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
return 1;
@ -101,9 +95,7 @@ int relocHexBNPCRELX(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int relocHex6PCRELX(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
int32_t result = (S + A - P);
result = lld::scatterBits<int32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -111,9 +103,7 @@ int relocHex6PCRELX(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
int relocHex_N_X(uint8_t *location, uint64_t P, uint64_t S, uint64_t A) {
uint32_t result = (S + A);
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -124,9 +114,7 @@ int relocHexGPRELN(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int32_t range = 1L << 16;
if (result <= range) {
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
return 1;
@ -136,9 +124,7 @@ int relocHexGPRELN(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
int relocHexGOTLO16(uint8_t *location, uint64_t G) {
uint32_t result = (uint32_t)(G);
result = lld::scatterBits<int32_t>(result, 0x00c03fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -146,18 +132,14 @@ int relocHexGOTLO16(uint8_t *location, uint64_t G) {
int relocHexGOTHI16(uint8_t *location, uint64_t G) {
uint32_t result = (uint32_t)(G >> 16);
result = lld::scatterBits<int32_t>(result, 0x00c03fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
/// \brief Word32: 0xffffffff : (G) : Truncate
int relocHexGOT32(uint8_t *location, uint64_t G) {
uint32_t result = (uint32_t)(G);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -167,9 +149,7 @@ int relocHexGOT16(uint8_t *location, uint64_t G) {
uint32_t range = 1L << 16;
if (result <= range) {
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
return 1;
@ -178,9 +158,7 @@ int relocHexGOT16(uint8_t *location, uint64_t G) {
int relocHexGOT32_6_X(uint8_t *location, uint64_t G) {
uint32_t result = (uint32_t)(G >> 6);
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -189,9 +167,7 @@ int relocHexGOT16_X(uint8_t *location, uint64_t G) {
uint32_t range = 1L << 6;
if (result <= range) {
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
return 1;
@ -200,9 +176,7 @@ int relocHexGOT16_X(uint8_t *location, uint64_t G) {
int relocHexGOT11_X(uint8_t *location, uint64_t G) {
uint32_t result = (uint32_t)(G);
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -210,9 +184,7 @@ int relocHexGOTREL(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
uint64_t GOT, int shiftBits = 0) {
uint32_t result = (uint32_t)((S + A - GOT) >> shiftBits);
result = lld::scatterBits<uint32_t>(result, FINDV4BITMASK(location));
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
@ -220,18 +192,14 @@ int relocHexGOTREL_HILO16(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
uint64_t GOT, int shiftBits = 0) {
uint32_t result = (uint32_t)((S + A - GOT) >> shiftBits);
result = lld::scatterBits<uint32_t>(result, 0x00c03fff);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}
int relocHexGOTREL_32(uint8_t *location, uint64_t P, uint64_t S, uint64_t A,
uint64_t GOT) {
uint32_t result = (uint32_t)(S + A - GOT);
*reinterpret_cast<llvm::support::ulittle32_t *>(location) =
result |
(uint32_t) * reinterpret_cast<llvm::support::ulittle32_t *>(location);
APPLY_RELOC(result);
return 0;
}