derek.holloway
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66 lines
2.1 KiB
ArmAsm
66 lines
2.1 KiB
ArmAsm
# REQUIRES: loongarch
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## Relax R_LARCH_CALL30. This test tests boundary cases and some special symbols.
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# RUN: rm -rf %t && split-file %s %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple=loongarch32 -mattr=+relax a.s -o a.o
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# RUN: ld.lld -T lds a.o -o a
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# RUN: llvm-objdump -d --no-show-raw-insn a | FileCheck %s --check-prefixes=RELAX,RELAX-MID
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## Unsure whether this needs a diagnostic. GNU ld allows this.
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# RUN: ld.lld -T lds -pie a.o -o a.pie
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# RUN: llvm-objdump -d --no-show-raw-insn a.pie | FileCheck %s --check-prefixes=RELAX,RELAX-MID
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# RUN: ld.lld -T lds -pie -z notext -z ifunc-noplt a.o -o a.ifunc-noplt
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# RUN: llvm-objdump -d --no-show-raw-insn a.ifunc-noplt | FileCheck %s --check-prefixes=RELAX,NORELAX-MID
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# RELAX-LABEL: <_start>:
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## offset = 0x10000000 - 0x8000000 = 0x8000000(134217728), hi=512, lo18=0
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# RELAX-NEXT: 8000000: pcaddu12i $ra, 32768
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# RELAX-NEXT: jirl $ra, $ra, 0
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# RELAX-NEXT: bl 134217720
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# RELAX-NEXT: bl -134217728
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## offset = 12 - 0x8000010 = -0x8000004(-134217732), hi=512, lo18=-4
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# RELAX-NEXT: 8000010: pcaddu12i $ra, -32769
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# RELAX-NEXT: jirl $ra, $ra, 4092
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# RELAX-EMPTY:
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# RELAX-MID-LABEL: <.mid>:
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## offset = 0x8010000 - 0x8008000 = 32768
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# RELAX-MID-NEXT: 8008000: bl 32768
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# RELAX-MID-NEXT: b 32764
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# RELAX-MID-EMPTY:
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# NORELAX-MID-LABEL: <.mid>:
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# NORELAX-MID-NEXT: 8008000: pcaddu12i $ra, 0
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# NORELAX-MID-NEXT: jirl $ra, $ra, 0
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# NORELAX-MID-NEXT: pcaddu12i $t0, 0
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# NORELAX-MID-NEXT: jr $t0
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# NORELAX-MID-EMPTY:
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#--- a.s
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.global _start, ifunc
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_start:
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call30 pos # exceed positive range (.text+0x7fffffc), not relaxed
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call30 pos # relaxed
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call30 neg # relaxed
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call30 neg # exceed negative range (.text+16-0x8000000), not relaxed
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.section .mid,"ax",@progbits
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.balign 16
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call30 ifunc # enable ifunc, not relaxed
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tail30 $t0, ifunc # enable ifunc, not relaxed
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.type ifunc, @gnu_indirect_function
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ifunc:
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ret
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#--- lds
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SECTIONS {
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.text 0x8000000 : { *(.text) }
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.mid 0x8008000 : { *(.mid) }
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.iplt 0x8010000 : { *(.iplt) }
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}
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neg = 12;
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pos = 0x10000000;
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