# REQUIRES: x86 # RUN: llvm-mc -filetype=obj -triple=x86_64-linux %s -o %t.o # RUN: echo "SECTIONS { .data 0x4000 : {*(.data)} .dynsym 0x2000 : {*(.dynsym)} .dynstr : {*(.dynstr)} }" > %t.script # RUN: ld.lld --hash-style=sysv -o %t.so --script %t.script %t.o -shared # RUN: llvm-objdump -section-headers %t.so | FileCheck %s # Note: how the layout is done: # we need to layout 2 segments, each contains sections: # seg1: .data .dynamic # seg2: .dynsym .dynstr .text .hash # for each segment, we start from the first section, regardless # whether it is an orphan or not (sections that are not listed in the # linkerscript are orphans): # for seg1, we assign address: .data(0x4000), .dynamic(0x4008) # for seg2, we assign address: .dynsym(0x2000), .dynstr(0x2018) ... # .dynsym is not an orphan, so we take address from script, we assign # .dynstr current address cursor, which is the end # of .dynsym and so # on for later sections. # Also note, it is absolutely *illegal* to have section addresses of # the same segment in none-increasing order, authors of linker scripts # must take responsibility to make sure this does not happen. # CHECK: Sections: # CHECK-NEXT: Idx Name Size Address Type # CHECK-NEXT: 0 00000000 0000000000000000 # CHECK-NEXT: 1 .data 00000008 0000000000004000 # CHECK-NEXT: 2 .dynamic 00000060 0000000000004008 # CHECK-NEXT: 3 .dynsym 00000018 0000000000002000 # CHECK-NEXT: 4 .dynstr 00000001 0000000000002018 # CHECK-NEXT: 5 .hash 00000010 000000000000201c # CHECK-NEXT: 6 .text 00000008 000000000000202c .quad 0 .data .quad 0