| # REQUIRES: x86 |
| |
| # RUN: split-file %s %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o |
| |
| ## Check if the linker can generate the final file, containing all non-empty sections, |
| ## without warnings for .intvec0_out, .intvec1_out1, .intvec2_out, because their |
| ## input sections are empty. Althoung, the linker must generate a warning for the |
| ## first ".nonalloc" section and the second .dat, as expected. |
| |
| # RUN: ld.lld %t/a.o -T %t/a.lds -o %t/a.elf 2>&1 | FileCheck %s --check-prefix=WARN --implicit-check-not=warning: |
| |
| # WARN: warning: ignoring memory region assignment for non-allocatable section '.nonalloc' |
| # WARN: warning: ignoring memory region assignment for non-allocatable section '.dat' |
| |
| ## The output file must include all sections. |
| # RUN: llvm-readelf -S %t/a.elf | FileCheck %s |
| |
| # CHECK: There are 12 section headers, starting at offset 0x2140: |
| # CHECK: [Nr] Name Type Address Off Size ES Flg Lk Inf Al |
| # CHECK-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 0 0 |
| # CHECK-NEXT: [ 1] .nonalloc PROGBITS 0000000000000000 001064 001000 00 W 0 0 1 |
| # CHECK-NEXT: [ 2] .comment PROGBITS 0000000000000000 {{.*}} {{.*}} 01 MS 0 0 1 |
| # CHECK-NEXT: [ 3] .symtab SYMTAB 0000000000000000 {{.*}} {{.*}} 18 5 1 8 |
| # CHECK-NEXT: [ 4] .shstrtab STRTAB 0000000000000000 {{.*}} {{.*}} 00 0 0 1 |
| # CHECK-NEXT: [ 5] .strtab STRTAB 0000000000000000 {{.*}} {{.*}} 00 0 0 1 |
| # CHECK-NEXT: [ 6] .dat PROGBITS 0000000000000000 002137 000004 00 W 0 0 1 |
| # CHECK-NEXT: [ 7] .intvec0_out PROGBITS 0000000000000000 00213b 000000 00 W 0 0 1 |
| # CHECK-NEXT: [ 8] .intvec1_out PROGBITS 0000000000000000 00213b 000000 00 W 0 0 1 |
| # CHECK-NEXT: [ 9] .intvec2_out PROGBITS 0000000000000000 00213b 000000 00 W 0 0 1 |
| # CHECK-NEXT: [10] .intvec3_out PROGBITS 00000000803fe060 001060 000004 00 AX 0 0 1 |
| # CHECK-NEXT: [11] .text PROGBITS 00000000803fe064 001064 000000 00 AX 0 0 4 |
| |
| |
| #--- a.s |
| .global _start |
| .text |
| _start: |
| .section .nonalloc,"w" |
| .zero 0x1000 |
| .section .intvec3,"ax",@progbits |
| .long 1 |
| |
| #--- a.lds |
| MEMORY { |
| MEM1 : ORIGIN = 0x10000000, LENGTH = 1M |
| MEM2 (rx) : ORIGIN = 0x80000000, LENGTH = 4M |
| } |
| |
| VEC_START = 0x803FE000; |
| |
| SECTIONS { |
| .nonalloc : { *(.nonalloc) } > MEM |
| .dat : { LONG(0); } > MEM1 |
| .intvec0_out (VEC_START + 0x0000) : {KEEP (*(.intvec1)) } > MEM2 |
| .intvec1_out (VEC_START + 0x0020) : {KEEP (*(.intvec1)) } > MEM2 |
| .intvec2_out (VEC_START + 0x0040) : {KEEP (*(.intvec2)) } > MEM2 |
| .intvec3_out (VEC_START + 0x0060) : {KEEP (*(.intvec3)) } > MEM2 |
| } |
