derek.holloway
7502bf64a4
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117 lines
3.2 KiB
ArmAsm
117 lines
3.2 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
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# Provide new symbol. The value should be 1, like set in PROVIDE()
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# RUN: echo "SECTIONS { PROVIDE(newsym = 1);}" > a1.t
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# RUN: ld.lld -o a1 -T a1.t a.o
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# RUN: llvm-objdump -t a1 | FileCheck --check-prefix=PROVIDE1 %s
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# PROVIDE1: 0000000000000001 g *ABS* 0000000000000000 newsym
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# Provide new symbol (hidden). The value should be 1
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# RUN: echo "SECTIONS { PROVIDE_HIDDEN(newsym = 1);}" > a2.t
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# RUN: ld.lld -o a2 -T a2.t a.o
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# RUN: llvm-objdump -t a2 | FileCheck --check-prefix=HIDDEN1 %s
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# HIDDEN1: 0000000000000001 l *ABS* 0000000000000000 .hidden newsym
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# RUN: echo 'SECTIONS { PROVIDE_HIDDEN("newsym" = 1);}' > a2.t
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# RUN: ld.lld -o a2 -T a2.t a.o
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# RUN: llvm-objdump -t a2 | FileCheck --check-prefix=HIDDEN1 %s
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# RUN: ld.lld -o chain -T chain.t a.o
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# RUN: llvm-nm chain | FileCheck %s
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# CHECK-NOT: another_unused
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# CHECK: 0000000000007000 a f1
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# CHECK-NEXT: 0000000000007000 A f2
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# CHECK-NEXT: 0000000000007000 A f3
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# CHECK-NEXT: 0000000000007000 A f4
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# CHECK-NEXT: 0000000000006000 A f5
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# CHECK-NEXT: 0000000000003000 A f6
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# CHECK-NEXT: 0000000000001000 A f7
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# CHECK-NOT: g1
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# CHECK-NOT: g2
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# CHECK-NEXT: 0000000000007500 A newsym
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# CHECK: 0000000000002000 A u
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# CHECK-NOT: unused
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# CHECK-NEXT: 0000000000002000 A v
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# CHECK-NEXT: 0000000000002000 A w
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# RUN: ld.lld -o chain_with_cycle -T chain_with_cycle.t a.o
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# RUN: llvm-nm chain_with_cycle | FileCheck %s --check-prefix=CHAIN_WITH_CYCLE
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# CHAIN_WITH_CYCLE: 000 A f1
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# CHAIN_WITH_CYCLE: 000 A f2
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# CHAIN_WITH_CYCLE: 000 A f3
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# CHAIN_WITH_CYCLE: 000 A f4
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# CHAIN_WITH_CYCLE: 000 A newsym
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# RUN: not ld.lld -T chain2.t a.o 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error:
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# ERR-COUNT-3: error: chain2.t:1: symbol not found: undef
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## _start in a lazy object file references PROVIDE symbols. We extract _start
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## earlier to avoid spurious "symbol not found" errors.
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# RUN: llvm-mc -filetype=obj -triple=x86_64 undef.s -o undef.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64 start.s -o start.o
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# RUN: ld.lld -T chain2.t undef.o --start-lib start.o --end-lib -o lazy
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# RUN: llvm-nm lazy | FileCheck %s --check-prefix=LAZY
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# RUN: ld.lld -e 0 -T chain2.t --undefined-glob '_start*' undef.o --start-lib start.o --end-lib -o lazy
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# RUN: llvm-nm lazy | FileCheck %s --check-prefix=LAZY
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# LAZY: T _start
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# LAZY-NEXT: t f1
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# LAZY-NEXT: T f2
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# LAZY-NEXT: T newsym
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# LAZY-NEXT: T unde
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#--- a.s
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.global _start
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_start:
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nop
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.globl patatino
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patatino:
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movl newsym, %eax
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#--- chain.t
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PROVIDE(f7 = 0x1000);
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PROVIDE(f5 = f6 + 0x3000);
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PROVIDE(f6 = f7 + 0x2000);
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PROVIDE(f4 = f5 + 0x1000);
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PROVIDE(f3 = f4);
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PROVIDE(f2 = f3);
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PROVIDE_HIDDEN(f1 = f2);
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PROVIDE(newsym = f1 + 0x500);
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u = v;
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PROVIDE(w = 0x2000);
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PROVIDE(v = w);
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PROVIDE(g2 = 0x1000);
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PROVIDE_HIDDEN(g1 = g2);
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PROVIDE(unused = g1);
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PROVIDE_HIDDEN(another_unused = g1);
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#--- chain_with_cycle.t
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PROVIDE("f1" = f2 + f3);
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PROVIDE(f2 = f3 + f4);
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PROVIDE(f3 = f4);
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PROVIDE(f4 = f1);
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PROVIDE(newsym = f1);
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#--- chain2.t
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PROVIDE(f2 = undef);
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PROVIDE_HIDDEN(f1 = f2);
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PROVIDE(newsym = f1);
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#--- undef.s
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.globl undef
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undef: ret
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#--- start.s
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.globl _start
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_start: ret
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.data
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.quad newsym
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