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[ELF][HEXAGON] Add R_HEX_B9_PCREL and R_HEX_B9_PCREL_X relocation support 

Differential Revision: https://reviews.llvm.org/D51045

llvm-svn: 340692
This commit is contained in:
Sid Manning 2018-08-25 21:25:35 +00:00
parent 106eab0292
commit 6d0415e098
2 changed files with 16 additions and 0 deletions
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8
lld/ELF/Arch/Hexagon.cpp
View File

@ -53,6 +53,8 @@ static uint32_t applyMask(uint32_t Mask, uint32_t Data) {
RelExpr Hexagon::getRelExpr(RelType Type, const Symbol &S,
const uint8_t *Loc) const {
switch (Type) {
case R_HEX_B9_PCREL:
case R_HEX_B9_PCREL_X:
case R_HEX_B15_PCREL:
case R_HEX_B15_PCREL_X:
case R_HEX_B22_PCREL:
@ -152,6 +154,12 @@ void Hexagon::relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const {
case R_HEX_32_6_X:
or32le(Loc, applyMask(0x0fff3fff, Val >> 6));
break;
case R_HEX_B9_PCREL:
or32le(Loc, applyMask(0x003000fe, Val >> 2));
break;
case R_HEX_B9_PCREL_X:
or32le(Loc, applyMask(0x003000fe, Val & 0x3f));
break;
case R_HEX_B15_PCREL:
or32le(Loc, applyMask(0x00df20fe, Val >> 2));
break;

8
lld/test/ELF/hexagon.s
View File

@ -194,3 +194,11 @@ r0 = ##_start
# 0xb0000000
r0 = add(r1, ##_start)
# CHECK: b001c000 r0 = add(r1,##69632) }
# R_HEX_B9_PCREL:
{r0=#1 ; jump #_start}
# CHECK: jump 0x11000
# R_HEX_B9_PCREL_X:
{r0=#1 ; jump ##_start}
# CHECK: jump 0x11000