[lld] r331554 - [ELF][MIPS] Add STO_MIPS_MICROMIPS flag to symbols point to microMIPS PLT records
Simon Atanasyan via llvm-commits
llvm-commits at lists.llvm.org
Fri May 4 13:48:48 PDT 2018
Author: atanasyan
Date: Fri May 4 13:48:47 2018
New Revision: 331554
URL: http://llvm.org/viewvc/llvm-project?rev=331554&view=rev
Log:
[ELF][MIPS] Add STO_MIPS_MICROMIPS flag to symbols point to microMIPS PLT records
Modified:
lld/trunk/ELF/SyntheticSections.cpp
lld/trunk/test/ELF/mips-micro-plt.s
Modified: lld/trunk/ELF/SyntheticSections.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/SyntheticSections.cpp?rev=331554&r1=331553&r2=331554&view=diff
==============================================================================
--- lld/trunk/ELF/SyntheticSections.cpp (original)
+++ lld/trunk/ELF/SyntheticSections.cpp Fri May 4 13:48:47 2018
@@ -1685,8 +1685,11 @@ template <class ELFT> void SymbolTableSe
ESym->st_other |= STO_MIPS_PLT;
if (isMicroMips()) {
// Set STO_MIPS_MICROMIPS flag and less-significant bit for
- // defined microMIPS symbols and shared symbols with PLT record.
- if (Sym->isDefined() && (Sym->StOther & STO_MIPS_MICROMIPS)) {
+ // a defined microMIPS symbol and symbol should point to its
+ // PLT entry (in case of microMIPS, PLT entries always contain
+ // microMIPS code).
+ if (Sym->isDefined() &&
+ ((Sym->StOther & STO_MIPS_MICROMIPS) || Sym->NeedsPltAddr)) {
if (StrTabSec.isDynamic())
ESym->st_value |= 1;
ESym->st_other |= STO_MIPS_MICROMIPS;
Modified: lld/trunk/test/ELF/mips-micro-plt.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-micro-plt.s?rev=331554&r1=331553&r2=331554&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-micro-plt.s (original)
+++ lld/trunk/test/ELF/mips-micro-plt.s Fri May 4 13:48:47 2018
@@ -42,6 +42,7 @@
# CHECK-NEXT: Binding: Global
# CHECK-NEXT: Type: Function
# CHECK-NEXT: Other [
+# CHECK-NEXT: STO_MIPS_MICROMIPS
# CHECK-NEXT: STO_MIPS_PLT
# CHECK-NEXT: ]
# CHECK-NEXT: Section: Undefined
@@ -50,11 +51,12 @@
# CHECK: DynamicSymbols [
# CHECK: Symbol {
# CHECK: Name: foo0
-# CHECK-NEXT: Value: 0x20040
+# CHECK-NEXT: Value: 0x20041
# CHECK-NEXT: Size:
# CHECK-NEXT: Binding: Global
# CHECK-NEXT: Type: Function
# CHECK-NEXT: Other [
+# CHECK-NEXT: STO_MIPS_MICROMIPS
# CHECK-NEXT: STO_MIPS_PLT
# CHECK-NEXT: ]
# CHECK-NEXT: Section: Undefined
@@ -76,7 +78,7 @@
# CHECK-NEXT: Entry {
# CHECK-NEXT: Address:
# CHECK-NEXT: Initial: 0x20021
-# CHECK-NEXT: Value: 0x20040
+# CHECK-NEXT: Value: 0x20041
# CHECK-NEXT: Type: Function
# CHECK-NEXT: Section: Undefined
# CHECK-NEXT: Name: foo0@
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