e4118a7ac0
LLD terminates with errors when it detects overflows in the finalizeAddressDependentContent calculation. Although, sometimes, those errors are not really errors, but an intermediate result of an ongoing address calculation. If we continue the fixed-point algorithm we can converge to the correct result. This patch * Removes the verification inside the fixed point algorithm. * Calls checkMemoryRegions at the end. Reviewed By: peter.smith, MaskRay Differential Revision: https://reviews.llvm.org/D152170
78 lines
3.0 KiB
ArmAsm
78 lines
3.0 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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## Check bad `ORIGIN`.
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# RUN: echo 'MEMORY { ram (rwx) : XYZ = 0x8000 } }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR1 %s
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# ERR1: {{.*}}.script:1: expected one of: ORIGIN, org, or o
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## Check bad `LENGTH`.
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# RUN: echo 'MEMORY { ram (rwx) : ORIGIN = 0x8000, XYZ = 256K } }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR2 %s
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# ERR2: {{.*}}.script:1: expected one of: LENGTH, len, or l
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## Check duplicate regions.
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# RUN: echo 'MEMORY { ram (rwx) : o = 8, l = 256K ram (rx) : o = 0, l = 256K }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR3 %s
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# ERR3: {{.*}}.script:1: region 'ram' already defined
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## Check no region available.
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# RUN: echo 'MEMORY { ram (!rx) : ORIGIN = 0x8000, LENGTH = 256K } \
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# RUN: SECTIONS { \
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# RUN: .text : { *(.text) } \
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# RUN: .data : { *(.data) } > ram \
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# RUN: }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR4 %s
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# ERR4: error: no memory region specified for section '.text'
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## Check undeclared region.
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# RUN: echo 'SECTIONS { .text : { *(.text) } > ram }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR5 %s
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# ERR5: error: memory region 'ram' not declared
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# RUN: echo 'SECTIONS { .text : { *(.text) } AT> ram }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR5 %s
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## Check region overflow.
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# RUN: echo 'MEMORY { ram (rwx) : ORIGIN = 0, LENGTH = 2K } \
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# RUN: SECTIONS { \
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# RUN: .text : { *(.text) } > ram \
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# RUN: .data : { *(.data) } > ram \
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# RUN: }' > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR6 %s
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# ERR6: error: section '.data' will not fit in region 'ram': overflowed by 2049 bytes
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## Check invalid region attributes.
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# RUN: echo "MEMORY { ram (abc) : ORIGIN = 8000, LENGTH = 256K } }" > %t.script
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# RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR7 %s
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# ERR7: {{.*}}.script:1: invalid memory region attribute
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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# RUN: echo 'MEMORY { name : ORIGIN = ., LENGTH = 1 }' > %t.script
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# RUN: not ld.lld -shared -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR_DOT %s
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# ERR_DOT: error: {{.*}}.script:1: unable to get location counter value
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## ORIGIN/LENGTH can be simple symbolic expressions. If the expression
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## requires interaction with memory regions, it may fail.
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# RUN: echo 'MEMORY { ram : ORIGIN = symbol, LENGTH = 4094 } \
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# RUN: SECTIONS { \
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# RUN: .text : { *(.text) } > ram \
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# RUN: symbol = .; \
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# RUN: .data : { *(.data) } > ram \
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# RUN: }' > %t.script
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# RUN: not ld.lld -T %t.script %t.o -o /dev/null 2>&1 | FileCheck --check-prefix=ERR_OVERFLOW %s
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# ERR_OVERFLOW: error: section '.data' will not fit in region 'ram': overflowed by 2 bytes
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nop
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.data
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.zero 4096
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