040af7deab
Previously, we allowed only integers in this context. Now you can
write expressions there. LLD is now able to handle the following
linker, for example.
MEMORY { rom (rx) : ORIGIN = (1024 * 1024) }
llvm-svn: 300131
115 lines
3.7 KiB
ArmAsm
115 lines
3.7 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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## Check simple RAM-only memory region.
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# RUN: echo "MEMORY { ram (rwx) : ORIGIN = 0x8000, LENGTH = 256K } \
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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: ld.lld -o %t1 --script %t.script %t
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# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=RAM %s
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# RAM: 1 .text 00000001 0000000000008000 TEXT DATA
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# RAM-NEXT: 2 .data 00001000 0000000000008001 DATA
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## Check RAM and ROM memory regions.
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# RUN: echo "MEMORY { \
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# RUN: ram (rwx) : ORIGIN = 0, LENGTH = 1024M \
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# RUN: rom (rx) : org = (0x80 * 0x1000 * 0x1000), len = 64M \
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# RUN: } \
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# RUN: SECTIONS { \
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# RUN: .text : { *(.text) } > rom \
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# RUN: .data : { *(.data) } > ram \
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# RUN: }" > %t.script
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# RUN: ld.lld -o %t1 --script %t.script %t
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# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=RAMROM %s
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# RAMROM: 1 .text 00000001 0000000080000000 TEXT DATA
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# RAMROM-NEXT: 2 .data 00001000 0000000000000000 DATA
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## Check memory region placement by attributes.
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# RUN: echo "MEMORY { \
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# RUN: ram (!rx) : ORIGIN = 0, LENGTH = 1024M \
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# RUN: rom (rx) : o = 0x80000000, l = 64M \
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# RUN: } \
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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: ld.lld -o %t1 --script %t.script %t
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# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=ATTRS %s
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# ATTRS: 1 .text 00000001 0000000080000000 TEXT DATA
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# ATTRS: 2 .data 00001000 0000000000000000 DATA
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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 %t2 --script %t.script %t 2>&1 \
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# RUN: | 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 %t2 --script %t.script %t 2>&1 \
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# RUN: | 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 %t2 --script %t.script %t 2>&1 \
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# RUN: | 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 %t2 --script %t.script %t 2>&1 \
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# RUN: | FileCheck -check-prefix=ERR4 %s
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# ERR4: {{.*}}: 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 %t2 --script %t.script %t 2>&1 \
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# RUN: | FileCheck -check-prefix=ERR5 %s
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# ERR5: {{.*}}: memory region 'ram' not declared
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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 %t2 --script %t.script %t 2>&1 \
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# RUN: | FileCheck -check-prefix=ERR6 %s
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# ERR6: {{.*}}: 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 %t2 --script %t.script %t 2>&1 \
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# RUN: | FileCheck -check-prefix=ERR7 %s
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# ERR7: {{.*}}.script:1: invalid memory region attribute
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.text
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.global _start
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_start:
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nop
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.data
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b:
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.long 1
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.zero 4092
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