llvm-project

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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
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# RUN: %lld -o %t %t.o
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# RUN: llvm-objdump --macho --rebase --full-contents %t | FileCheck %s
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# RUN: %lld -pie -o %t-pie %t.o
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# RUN: llvm-objdump --macho --rebase %t-pie | FileCheck %s --check-prefix=PIE
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# RUN: %lld -pie -no_pie -o %t-no-pie %t.o
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# RUN: llvm-objdump --macho --rebase %t-no-pie | FileCheck %s --check-prefix=NO-PIE
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# RUN: %lld -no_pie -pie -o %t-pie %t.o
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# RUN: llvm-objdump --macho --rebase %t-pie | FileCheck %s --check-prefix=PIE
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# CHECK:       Contents of section __DATA,foo:
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# CHECK-NEXT:  100001000 08100000 01000000
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# CHECK:       Contents of section __DATA,bar:
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# CHECK-NEXT:  100001008 011000f0 11211111 02000000
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# PIE:      Rebase table:
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# PIE-NEXT: segment  section            address           type
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# PIE-DAG:  __DATA   foo                0x[[#%X,ADDR:]]   pointer
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# PIE-DAG:  __DATA   bar                0x[[#ADDR + 8]]   pointer
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# PIE-DAG:  __DATA   bar                0x[[#ADDR + 12]]  pointer
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# PIE-DAG:  __DATA   baz                0x[[#ADDR + 20]]  pointer
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# NO-PIE:      Rebase table:
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# NO-PIE-NEXT: segment  section            address           type
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# NO-PIE-EMPTY:
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.globl _main, _foo, _bar
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.section __DATA,foo
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_foo:
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.quad _bar
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.section __DATA,bar
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_bar:
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## We create a .int symbol reference here -- with non-zero data immediately
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## after -- to check that lld reads precisely 32 bits (and not more) of the
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## implicit addend when handling unsigned relocations of r_length = 2.
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## Note that __PAGEZERO occupies the lower 32 bits, so all symbols are above
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## that. To get a final relocated address that fits within 32 bits, we need to
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## subtract an offset here.
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.int _foo - 0x0fffffff
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## The unsigned relocation should support 64-bit addends too (r_length = 3).
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.quad _foo + 0x111111111
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.section __DATA,baz
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## Generates a section relocation.
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.quad L_.baz
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L_.baz:
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  .space 0
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.text
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_main:
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  mov $0, %rax
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  ret
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