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[lld][Hexagon]Support HEX_32 when building shared objects 

Differential Revision: https://reviews.llvm.org/D66105

llvm-svn: 369121
This commit is contained in:
Sid Manning 2019-08-16 15:35:02 +00:00
parent 05e9c2ac2e
commit 2d3ebeb813
2 changed files with 29 additions and 3 deletions
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7
lld/ELF/Arch/Hexagon.cpp
View File

@ -29,6 +29,7 @@ public:
uint32_t calcEFlags() const override;
RelExpr getRelExpr(RelType type, const Symbol &s,
const uint8_t *loc) const override;
RelType getDynRel(RelType type) const override;
void relocateOne(uint8_t *loc, RelType type, uint64_t val) const override;
void writePltHeader(uint8_t *buf) const override;
void writePlt(uint8_t *buf, uint64_t gotPltEntryAddr, uint64_t pltEntryAddr,
@ -285,6 +286,12 @@ void Hexagon::writePlt(uint8_t *buf, uint64_t gotPltEntryAddr,
relocateOne(buf + 4, R_HEX_6_PCREL_X, gotPltEntryAddr - pltEntryAddr);
}
RelType Hexagon::getDynRel(RelType type) const {
if (type == R_HEX_32)
return type;
return R_HEX_NONE;
}
TargetInfo *elf::getHexagonTargetInfo() {
static Hexagon target;
return ⌖

25
lld/test/ELF/hexagon-shared.s
View File

@ -6,6 +6,7 @@
# RUN: llvm-objdump -d -j .plt %t4.so | FileCheck --check-prefix=PLT %s
# RUN: llvm-objdump -d -j .text %t4.so | FileCheck --check-prefix=TEXT %s
# RUN: llvm-objdump -D -j .got %t4.so | FileCheck --check-prefix=GOT %s
# RUN: llvm-readelf -r %t4.so | FileCheck --check-prefix=RELO %s
.global foo
foo:
@ -25,8 +26,22 @@ jumpr r0
# R_HEX_GOT_16_X
r0 = add(r1,##bar@GOT)
# R_HEX_32
.data
.global var
.type var,@object
.p2align 2
var:
.word 10
.size var, 4
.global pvar
.type pvar,@object
pvar:
.word var
.size pvar, 4
# PLT: { immext(#131008
# PLT: r28 = add(pc,##131024) }
# PLT: r28 = add(pc,##131032) }
# PLT: { r14 -= add(r28,#16)
# PLT: r15 = memw(r28+#8)
# PLT: r28 = memw(r28+#4) }
@ -34,13 +49,17 @@ r0 = add(r1,##bar@GOT)
# PLT: jumpr r28 }
# PLT: { trap0(#219) }
# PLT: immext(#131008)
# PLT: r14 = add(pc,##131008) }
# PLT: r14 = add(pc,##131016) }
# PLT: r28 = memw(r14+#0) }
# PLT: jumpr r28 }
# TEXT: 10000: 00 00 01 00 00010000
# TEXT: { call 0x10050 }
# TEXT: r0 = add(r1,##-65408) }
# TEXT: r0 = add(r1,##-65416) }
# GOT: .got:
# GOT: 20080: 00 00 00 00 00000000 <unknown>
# RELO: 00020080 00000121 R_HEX_GLOB_DAT
# RELO: 00030004 00000406 R_HEX_32
# RELO: 00030018 00000122 R_HEX_JMP_SLOT