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# REQUIRES: x86
# RUN: rm -rf %t && split-file %s %t && cd %t
# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
# RUN: ld.lld a.o -T a.t -o a
## Here we check that can handle OVERLAY which will produce sections
## .out.big and .out.small with the same starting VAs, but different LMAs.
## Section .big is larger than .small, we check that placing of section
## .text does not cause overlapping error and that
## .text's VA is 0x1000 + max(sizeof(.out.big), sizeof(.out.small)).
# RUN: llvm-readelf --sections -l a | FileCheck %s
# CHECK: Name Type Address Off Size
# CHECK: .big1 PROGBITS 0000000000001000 001000 000008
# CHECK-NEXT: .small1 PROGBITS 0000000000001000 002000 000004
# CHECK-NEXT: .small2 PROGBITS 0000000000001008 002008 000004
# CHECK-NEXT: .big2 PROGBITS 0000000000001008 003008 000008
# CHECK-NEXT: .empty3 PROGBITS 0000000000001010 003010 000000
# CHECK-NEXT: .small3 PROGBITS 0000000000001010 003010 000004
# CHECK-NEXT: .big3 PROGBITS 0000000000001010 004010 000008
# CHECK-NEXT: .text PROGBITS 0000000000001018 004018 000001
# CHECK: Program Headers:
# CHECK: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
# CHECK-NEXT: LOAD 0x001000 0x0000000000001000 0x0000000000001000 0x000008 0x000008 R 0x1000
# CHECK-NEXT: LOAD 0x002000 0x0000000000001000 0x0000000000001008 0x000004 0x000004 R 0x1000
# CHECK-NEXT: LOAD 0x002008 0x0000000000001008 0x0000000000002008 0x000004 0x000004 R 0x1000
# CHECK-NEXT: LOAD 0x003008 0x0000000000001008 0x000000000000200c 0x000008 0x000008 R 0x1000
# CHECK-NEXT: LOAD 0x003010 0x0000000000001010 0x0000000000002014 0x000004 0x000004 R 0x1000
# CHECK-NEXT: LOAD 0x004010 0x0000000000001010 0x0000000000002018 0x000008 0x000008 R 0x1000
# CHECK-NEXT: LOAD 0x004018 0x0000000000001018 0x0000000000002020 0x000001 0x000001 R E 0x1000
# RUN: not ld.lld a.o -T err1.t 2>&1 | FileCheck %s --check-prefix=ERR1 --match-full-lines --strict-whitespace
# ERR1:{{.*}}error: err1.t:3: { expected, but got 0x3000
# ERR1-NEXT:>>> .out.aaa 0x3000 : { *(.aaa) }
# ERR1-NEXT:>>> ^
# RUN: not ld.lld a.o -T err2.t 2>&1 | FileCheck %s --check-prefix=ERR2 --match-full-lines --strict-whitespace
# ERR2:{{.*}}error: err2.t:{{.*}}: { expected, but got AX
# ERR2-NEXT:>>> .out.aaa { *(.aaa) } > AX AT>FLASH
# ERR2-NEXT:>>> ^
#--- a.s
.globl _start
_start:
nop
.section .small1, "a"; .long 0
.section .big1, "a"; .quad 1
.section .small2, "a"; .long 0
.section .big2, "a"; .quad 1
.section .small3, "a"; .long 0
.section .big3, "a"; .quad 1
#--- a.t
SECTIONS {
## LMA defaults to VMA
OVERLAY 0x1000 : {
.big1 { *(.big1) }
.small1 { *(.small1) }
}
## .big2 starts at ADDR(.small2)
OVERLAY : AT (0x2008) {
.small2 { *(.small2) }
.big2 { *(.big2) }
}
## .empty3 is not discarded. .small3 and .big3 share its address.
OVERLAY . : AT (0x2014) {
.empty3 { *(.empty3) }
.small3 { *(.small3) }
.big3 { *(.big3) }
}
.text : { *(.text) }
}
#--- err1.t
SECTIONS {
OVERLAY 0x1000 : AT ( 0x2000 ) {
.out.aaa 0x3000 : { *(.aaa) }
}
}
#--- err2.t
MEMORY {
AX (ax) : ORIGIN = 0x3000, LENGTH = 0x4000
}
SECTIONS {
OVERLAY 0x1000 : AT ( 0x2000 ) {
.out.aaa { *(.aaa) } > AX AT>FLASH
}
}
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