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[ELF] - Better diagnostic for "can't create dynamic relocation" error. 

Patch improves message to show locations for
"can't create dynamic relocation" error.

Differential revision: https://reviews.llvm.org/D26548

llvm-svn: 287086
This commit is contained in:
George Rimar 2016-11-16 08:34:19 +00:00
parent dc9bf8fab6
commit f3c143188d
12 changed files with 17 additions and 14 deletions
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7
lld/ELF/Relocations.cpp
View File

@ -445,8 +445,11 @@ static RelExpr adjustExpr(const elf::ObjectFile<ELFT> &File, SymbolBody &Body,
// the refered symbol can be preemepted to refer to the executable.
if (Config->Shared || (Config->Pic && !isRelExpr(Expr))) {
StringRef Name = getSymbolName(File.getStringTable(), Body);
error("can't create dynamic relocation " + getRelName(Type) + " against " +
(Name.empty() ? "readonly segment" : "symbol " + Name));
error(getLocation(S, RelOff) + ": can't create dynamic relocation " +
getRelName(Type) + " against " +
((Name.empty() ? "local symbol in readonly segment"
: "symbol '" + Name + "'")) +
" defined in " + getFilename(Body.File));
return Expr;
}
if (Body.getVisibility() != STV_DEFAULT) {

2
lld/test/ELF/aarch64-fpic-add_abs_lo12_nc.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_ADD_ABS_LO12_NC against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_ADD_ABS_LO12_NC against symbol 'dat' defined in {{.*}}.o
add x0, x0, :lo12:dat
.data

2
lld/test/ELF/aarch64-fpic-adr_prel_lo21.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_ADR_PREL_LO21 against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_ADR_PREL_LO21 against symbol 'dat' defined in {{.*}}.o
adr x0, dat
.data

2
lld/test/ELF/aarch64-fpic-adr_prel_pg_hi21.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_ADR_PREL_PG_HI21 against symbol 'dat' defined in {{.*}}.o
adrp x0, dat
.data

2
lld/test/ELF/aarch64-fpic-ldst32_abs_lo12_nc.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_LDST32_ABS_LO12_NC against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_LDST32_ABS_LO12_NC against symbol 'dat' defined in {{.*}}.o
ldr s4, [x0, :lo12:dat]
.data

2
lld/test/ELF/aarch64-fpic-ldst64_abs_lo12_nc.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_LDST64_ABS_LO12_NC against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_LDST64_ABS_LO12_NC against symbol 'dat' defined in {{.*}}.o
ldr x0, [x0, :lo12:dat]
.data

2
lld/test/ELF/aarch64-fpic-ldst8_abs_lo12_nc.s
View File

@ -1,7 +1,7 @@
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-freebsd %s -o %t.o
// RUN: not ld.lld -shared %t.o -o %t.so 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_AARCH64_LDST8_ABS_LO12_NC against symbol dat
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_AARCH64_LDST8_ABS_LO12_NC against symbol 'dat' defined in {{.*}}.o
ldrsb x0, [x1, :lo12:dat]
.data

2
lld/test/ELF/arm-target1.s
View File

@ -29,4 +29,4 @@
// RELATIVE: SYMBOL TABLE:
// RELATIVE: 00001004 .text 00000000 patatino
// ABS: can't create dynamic relocation R_ARM_TARGET1 against symbol patatino
// ABS: {{.*}}.o (.text+0x0): can't create dynamic relocation R_ARM_TARGET1 against symbol 'patatino' defined in {{.*}}.o

2
lld/test/ELF/copy-in-shared.s
View File

@ -7,4 +7,4 @@
.quad foo
// CHECK: can't create dynamic relocation R_X86_64_64 against symbol foo
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_X86_64_64 against symbol 'foo' defined in {{.*}}.so

4
lld/test/ELF/copy-rel-pie-error.s
View File

@ -3,8 +3,8 @@
// RUN: ld.lld %t2.o -o %t2.so -shared
// RUN: not ld.lld %t.o %t2.so -o %t.exe -pie 2>&1 | FileCheck %s
// CHECK: can't create dynamic relocation R_X86_64_64 against symbol bar
// CHECK: can't create dynamic relocation R_X86_64_64 against symbol foo
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_X86_64_64 against symbol 'bar' defined in {{.*}}.so
// CHECK: {{.*}}.o (.text+0x8): can't create dynamic relocation R_X86_64_64 against symbol 'foo' defined in {{.*}}.so
.global _start
_start:

2
lld/test/ELF/dynamic-reloc-in-ro.s
View File

@ -5,4 +5,4 @@
foo:
.quad foo
// CHECK: can't create dynamic relocation R_X86_64_64 against readonly segment
// CHECK: {{.*}}.o (.text+0x0): can't create dynamic relocation R_X86_64_64 against local symbol in readonly segment defined in {{.*}}.o

2
lld/test/ELF/eh-frame-dyn-rel.s
View File

@ -7,4 +7,4 @@
.cfi_personality 0x8c, foo
.cfi_endproc
// CHECK: can't create dynamic relocation R_X86_64_64 against symbol foo
// CHECK: {{.*}}.o (.eh_frame+0x12): can't create dynamic relocation R_X86_64_64 against symbol 'foo' defined in {{.*}}.o