[llvm] Do not replace dead constant references in metadata with undef
[llvm-project.git] / lld / test / ELF / linkerscript / memory-err.s
blob0b1a077176adfca536484be62d500353ecce45db
1 # REQUIRES: x86
2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
4 ## Check bad `ORIGIN`.
6 # RUN: echo 'MEMORY { ram (rwx) : XYZ = 0x8000 } }' > %t.script
7 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR1 %s
8 # ERR1: {{.*}}.script:1: expected one of: ORIGIN, org, or o
10 ## Check bad `LENGTH`.
12 # RUN: echo 'MEMORY { ram (rwx) : ORIGIN = 0x8000, XYZ = 256K } }' > %t.script
13 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR2 %s
14 # ERR2: {{.*}}.script:1: expected one of: LENGTH, len, or l
16 ## Check duplicate regions.
18 # RUN: echo 'MEMORY { ram (rwx) : o = 8, l = 256K ram (rx) : o = 0, l = 256K }' > %t.script
19 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR3 %s
20 # ERR3: {{.*}}.script:1: region 'ram' already defined
22 ## Check no region available.
24 # RUN: echo 'MEMORY { ram (!rx) : ORIGIN = 0x8000, LENGTH = 256K } \
25 # RUN: SECTIONS { \
26 # RUN: .text : { *(.text) } \
27 # RUN: .data : { *(.data) } > ram \
28 # RUN: }' > %t.script
29 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR4 %s
30 # ERR4: error: no memory region specified for section '.text'
32 ## Check undeclared region.
34 # RUN: echo 'SECTIONS { .text : { *(.text) } > ram }' > %t.script
35 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR5 %s
36 # ERR5: error: memory region 'ram' not declared
38 # RUN: echo 'SECTIONS { .text : { *(.text) } AT> ram }' > %t.script
39 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR5 %s
41 ## Check region overflow.
43 # RUN: echo 'MEMORY { ram (rwx) : ORIGIN = 0, LENGTH = 2K } \
44 # RUN: SECTIONS { \
45 # RUN: .text : { *(.text) } > ram \
46 # RUN: .data : { *(.data) } > ram \
47 # RUN: }' > %t.script
48 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR6 %s
49 # ERR6: error: section '.data' will not fit in region 'ram': overflowed by 2049 bytes
51 ## Check invalid region attributes.
53 # RUN: echo "MEMORY { ram (abc) : ORIGIN = 8000, LENGTH = 256K } }" > %t.script
54 # RUN: not ld.lld -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR7 %s
55 # ERR7: {{.*}}.script:1: invalid memory region attribute
57 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
58 # RUN: echo 'MEMORY { name : ORIGIN = ., LENGTH = 1 }' > %t.script
59 # RUN: not ld.lld -shared -o /dev/null -T %t.script %t.o 2>&1 | FileCheck --check-prefix=ERR_DOT %s
60 # ERR_DOT: error: {{.*}}.script:1: unable to get location counter value
62 ## ORIGIN/LENGTH can be simple symbolic expressions. If the expression
63 ## requires interaction with memory regions, it may fail.
65 # RUN: echo 'MEMORY { ram : ORIGIN = symbol, LENGTH = 4097 } \
66 # RUN: SECTIONS { \
67 # RUN: .text : { *(.text) } > ram \
68 # RUN: symbol = .; \
69 # RUN: .data : { *(.data) } > ram \
70 # RUN: }' > %t.script
71 # RUN: not ld.lld -T %t.script %t.o -o /dev/null 2>&1 | FileCheck --check-prefix=ERR_OVERFLOW %s
72 # ERR_OVERFLOW: error: section '.text' will not fit in region 'ram': overflowed by 18446744073709547518 bytes
74 nop
76 .data
77 .zero 4096