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authorDimitry Andric <dim@FreeBSD.org>2017-04-16 16:03:39 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-04-16 16:03:39 +0000
commitd2d3ebb81992e107edf95c1c136d7a342d9b1418 (patch)
treebb1af8fff2b1400cf240e3b2532a1e5d22a121da /test/ELF/linkerscript/memory.s
parent16787c9ce0b96aaa669d7fab3a495916b35ce758 (diff)
Notes
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+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
+
+## Check simple RAM-only memory region.
+
+# RUN: echo "MEMORY { ram (rwx) : ORIGIN = 0x8000, LENGTH = 256K } \
+# RUN: SECTIONS { \
+# RUN: .text : { *(.text) } > ram \
+# RUN: .data : { *(.data) } > ram \
+# RUN: }" > %t.script
+# RUN: ld.lld -o %t1 --script %t.script %t
+# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=RAM %s
+
+# RAM: 1 .text 00000001 0000000000008000 TEXT DATA
+# RAM-NEXT: 2 .data 00001000 0000000000008001 DATA
+
+## Check RAM and ROM memory regions.
+
+# RUN: echo "MEMORY { \
+# RUN: ram (rwx) : ORIGIN = 0, LENGTH = 1024M \
+# RUN: rom (rx) : org = (0x80 * 0x1000 * 0x1000), len = 64M \
+# RUN: } \
+# RUN: SECTIONS { \
+# RUN: .text : { *(.text) } > rom \
+# RUN: .data : { *(.data) } > ram \
+# RUN: }" > %t.script
+# RUN: ld.lld -o %t1 --script %t.script %t
+# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=RAMROM %s
+
+# RAMROM: 1 .text 00000001 0000000080000000 TEXT DATA
+# RAMROM-NEXT: 2 .data 00001000 0000000000000000 DATA
+
+## Check memory region placement by attributes.
+
+# RUN: echo "MEMORY { \
+# RUN: ram (!rx) : ORIGIN = 0, LENGTH = 1024M \
+# RUN: rom (rx) : o = 0x80000000, l = 64M \
+# RUN: } \
+# RUN: SECTIONS { \
+# RUN: .text : { *(.text) } \
+# RUN: .data : { *(.data) } > ram \
+# RUN: }" > %t.script
+# RUN: ld.lld -o %t1 --script %t.script %t
+# RUN: llvm-objdump -section-headers %t1 | FileCheck -check-prefix=ATTRS %s
+
+# ATTRS: 1 .text 00000001 0000000080000000 TEXT DATA
+# ATTRS: 2 .data 00001000 0000000000000000 DATA
+
+## Check bad `ORIGIN`.
+
+# RUN: echo "MEMORY { ram (rwx) : XYZ = 0x8000 } }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR1 %s
+# ERR1: {{.*}}.script:1: expected one of: ORIGIN, org, or o
+
+## Check bad `LENGTH`.
+
+# RUN: echo "MEMORY { ram (rwx) : ORIGIN = 0x8000, XYZ = 256K } }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR2 %s
+# ERR2: {{.*}}.script:1: expected one of: LENGTH, len, or l
+
+## Check duplicate regions.
+
+# RUN: echo "MEMORY { ram (rwx) : o = 8, l = 256K ram (rx) : o = 0, l = 256K }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR3 %s
+# ERR3: {{.*}}.script:1: region 'ram' already defined
+
+## Check no region available.
+
+# RUN: echo "MEMORY { ram (!rx) : ORIGIN = 0x8000, LENGTH = 256K } \
+# RUN: SECTIONS { \
+# RUN: .text : { *(.text) } \
+# RUN: .data : { *(.data) } > ram \
+# RUN: }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR4 %s
+# ERR4: {{.*}}: no memory region specified for section '.text'
+
+## Check undeclared region.
+
+# RUN: echo "SECTIONS { .text : { *(.text) } > ram }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR5 %s
+# ERR5: {{.*}}: memory region 'ram' not declared
+
+## Check region overflow.
+
+# RUN: echo "MEMORY { ram (rwx) : ORIGIN = 0, LENGTH = 2K } \
+# RUN: SECTIONS { \
+# RUN: .text : { *(.text) } > ram \
+# RUN: .data : { *(.data) } > ram \
+# RUN: }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR6 %s
+# ERR6: {{.*}}: section '.data' will not fit in region 'ram': overflowed by 2049 bytes
+
+## Check invalid region attributes.
+
+# RUN: echo "MEMORY { ram (abc) : ORIGIN = 8000, LENGTH = 256K } }" > %t.script
+# RUN: not ld.lld -o %t2 --script %t.script %t 2>&1 \
+# RUN: | FileCheck -check-prefix=ERR7 %s
+# ERR7: {{.*}}.script:1: invalid memory region attribute
+
+.text
+.global _start
+_start:
+ nop
+
+.data
+b:
+ .long 1
+ .zero 4092