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REQUIRES: x86
RUN: split-file %s %ts
RUN: llvm-mc -filetype=obj -triple=x86_64 %ts/s -o %t.o
## Check assigning sections to memory regions by attributes.
#--- s
.text
.zero 8
.rodata
.zero 8
.data
.zero 8
#--- t1
## Check memory region attribute 'a'.
# RUN: ld.lld -o %t1 -T %ts/t1 %t.o
# RUN: llvm-readelf -S %t1 | FileCheck %s --check-prefix=TEST1
# TEST1: Name Type Address
# TEST1: .text PROGBITS 0000000000002000
# TEST1-NEXT: .rodata PROGBITS 0000000000002008
# TEST1-NEXT: .data PROGBITS 0000000000002010
MEMORY
{
## All sections have SHF_ALLOC attribute, so no one can be added here.
NOMEM (rwx!a) : org = 0x1000, l = 1K
## All sections are assigned to this memory region.
MEM (a) : org = 0x2000, l = 1K
}
SECTIONS
{
.text : { *(.text) }
.rodata : { *(.rodata) }
.data : { *(.data) }
}
#--- t2
## Check that memory region attributes 'r', 'w', and 'x' are supported both in
## positive and negative forms.
# RUN: ld.lld -o %t2 -T %ts/t2 %t.o
# RUN: llvm-readelf -S %t2 | FileCheck %s --check-prefix=TEST2
# TEST2: Name Type Address
# TEST2: .text PROGBITS 0000000000004000
# TEST2-NEXT: .rodata PROGBITS 0000000000003000
# TEST2-NEXT: .data PROGBITS 0000000000002000
MEMORY
{
## While all sections are allocatable, '.text' and '.rodata' are read-only and
## '.data' is writable, so no sections should be assigned to this region.
NOMEM (a!rw) : org = 0x1000, l = 1K
## Only writable section '.data' is allowed here.
RAM (w) : org = 0x2000, l = 1K
## Executable sections are not allowed here, so only '.rodata' should be
## assigned to the region.
ROM (r!x) : org = 0x3000, l = 1K
## An executable section '.text' comes here.
EXEC (x) : org = 0x4000, l = 1K
}
SECTIONS
{
.text : { *(.text) }
.rodata : { *(.rodata) }
.data : { *(.data) }
}
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