diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:03:39 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:03:39 +0000 |
commit | d2d3ebb81992e107edf95c1c136d7a342d9b1418 (patch) | |
tree | bb1af8fff2b1400cf240e3b2532a1e5d22a121da /test/ELF/linkerscript/memory.s | |
parent | 16787c9ce0b96aaa669d7fab3a495916b35ce758 (diff) |
Notes
Diffstat (limited to 'test/ELF/linkerscript/memory.s')
-rw-r--r-- | test/ELF/linkerscript/memory.s | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/test/ELF/linkerscript/memory.s b/test/ELF/linkerscript/memory.s new file mode 100644 index 0000000000000..774a6f92ab17c --- /dev/null +++ b/test/ELF/linkerscript/memory.s @@ -0,0 +1,114 @@ +# 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 |