1# REQUIRES: x86 2# RUN: rm -rf %t && split-file %s %t && cd %t 3# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o 4 5# Provide new symbol. The value should be 1, like set in PROVIDE() 6# RUN: echo "SECTIONS { PROVIDE(newsym = 1);}" > a1.t 7# RUN: ld.lld -o a1 -T a1.t a.o 8# RUN: llvm-objdump -t a1 | FileCheck --check-prefix=PROVIDE1 %s 9# PROVIDE1: 0000000000000001 g *ABS* 0000000000000000 newsym 10 11# Provide new symbol (hidden). The value should be 1 12# RUN: echo "SECTIONS { PROVIDE_HIDDEN(newsym = 1);}" > a2.t 13# RUN: ld.lld -o a2 -T a2.t a.o 14# RUN: llvm-objdump -t a2 | FileCheck --check-prefix=HIDDEN1 %s 15# HIDDEN1: 0000000000000001 l *ABS* 0000000000000000 .hidden newsym 16 17# RUN: echo 'SECTIONS { PROVIDE_HIDDEN("newsym" = 1);}' > a2.t 18# RUN: ld.lld -o a2 -T a2.t a.o 19# RUN: llvm-objdump -t a2 | FileCheck --check-prefix=HIDDEN1 %s 20 21# RUN: ld.lld -o chain -T chain.t a.o 22# RUN: llvm-nm chain | FileCheck %s 23 24# CHECK-NOT: another_unused 25# CHECK: 0000000000007000 a f1 26# CHECK-NEXT: 0000000000007000 A f2 27# CHECK-NEXT: 0000000000007000 A f3 28# CHECK-NEXT: 0000000000007000 A f4 29# CHECK-NEXT: 0000000000006000 A f5 30# CHECK-NEXT: 0000000000003000 A f6 31# CHECK-NEXT: 0000000000001000 A f7 32# CHECK-NOT: g1 33# CHECK-NOT: g2 34# CHECK-NEXT: 0000000000007500 A newsym 35# CHECK: 0000000000002000 A u 36# CHECK-NOT: unused 37# CHECK-NEXT: 0000000000002000 A v 38# CHECK-NEXT: 0000000000002000 A w 39 40 41# RUN: ld.lld -o chain_with_cycle -T chain_with_cycle.t a.o 42# RUN: llvm-nm chain_with_cycle | FileCheck %s --check-prefix=CHAIN_WITH_CYCLE 43 44# CHAIN_WITH_CYCLE: 000 A f1 45# CHAIN_WITH_CYCLE: 000 A f2 46# CHAIN_WITH_CYCLE: 000 A f3 47# CHAIN_WITH_CYCLE: 000 A f4 48# CHAIN_WITH_CYCLE: 000 A newsym 49 50# RUN: not ld.lld -T chain2.t a.o 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error: 51# ERR-COUNT-3: error: chain2.t:1: symbol not found: undef 52 53## _start in a lazy object file references PROVIDE symbols. We extract _start 54## earlier to avoid spurious "symbol not found" errors. 55# RUN: llvm-mc -filetype=obj -triple=x86_64 undef.s -o undef.o 56# RUN: llvm-mc -filetype=obj -triple=x86_64 start.s -o start.o 57# RUN: ld.lld -T chain2.t undef.o --start-lib start.o --end-lib -o lazy 58# RUN: llvm-nm lazy | FileCheck %s --check-prefix=LAZY 59# RUN: ld.lld -e 0 -T chain2.t --undefined-glob '_start*' undef.o --start-lib start.o --end-lib -o lazy 60# RUN: llvm-nm lazy | FileCheck %s --check-prefix=LAZY 61 62# LAZY: T _start 63# LAZY-NEXT: t f1 64# LAZY-NEXT: T f2 65# LAZY-NEXT: T newsym 66# LAZY-NEXT: T unde 67 68#--- a.s 69.global _start 70_start: 71 nop 72 73.globl patatino 74patatino: 75 movl newsym, %eax 76 77#--- chain.t 78PROVIDE(f7 = 0x1000); 79PROVIDE(f5 = f6 + 0x3000); 80PROVIDE(f6 = f7 + 0x2000); 81PROVIDE(f4 = f5 + 0x1000); 82PROVIDE(f3 = f4); 83PROVIDE(f2 = f3); 84PROVIDE_HIDDEN(f1 = f2); 85PROVIDE(newsym = f1 + 0x500); 86 87u = v; 88PROVIDE(w = 0x2000); 89PROVIDE(v = w); 90 91PROVIDE(g2 = 0x1000); 92PROVIDE_HIDDEN(g1 = g2); 93PROVIDE(unused = g1); 94PROVIDE_HIDDEN(another_unused = g1); 95 96#--- chain_with_cycle.t 97PROVIDE("f1" = f2 + f3); 98PROVIDE(f2 = f3 + f4); 99PROVIDE(f3 = f4); 100PROVIDE(f4 = f1); 101PROVIDE(newsym = f1); 102 103#--- chain2.t 104PROVIDE(f2 = undef); 105PROVIDE_HIDDEN(f1 = f2); 106PROVIDE(newsym = f1); 107 108#--- undef.s 109.globl undef 110undef: ret 111 112#--- start.s 113.globl _start 114_start: ret 115.data 116.quad newsym 117