binutils-gdb/ld/testsuite/ld-gc/all-debug-sections.d

#name: --gc-sections with multiple debug sections for a function section
#as: -gdwarf-sections
#ld: --gc-sections -e _start
#PROG: nm

#...
[0-9a-f]+ N +debug_aranges_main
[0-9a-f]+ N +debug_info_main
[0-9a-f]+ N +debug_line_main
#...
Garbage collecting debug sections I noticed that _bfd_elf_gc_mark_extra_sections attempts to unmark related debug sections when it finds an unmarked code section. When it finds .text.foo is unmarked, for example, it removes .debug_line.text.foo as well (using the section name as a suffix match check. However, it bails out after finding one such section. bfd/ * elflink.c (_bfd_elf_gc_mark_extra_sections): Don't break on first matching debug section. ld/testsuite/ * ld-gc/all-debug-sections.d: New file. * ld-gc/all-debug-sections.s: Likewise. * ld-gc/gc.exp: Execute new testcase. 2015-03-24 21:48:04 +08:00			`#name: --gc-sections with multiple debug sections for a function section`
			`#as: -gdwarf-sections`
			`#ld: --gc-sections -e _start`
			`#PROG: nm`

			`#...`
			`[0-9a-f]+ N +debug_aranges_main`
			`[0-9a-f]+ N +debug_info_main`
			`[0-9a-f]+ N +debug_line_main`
			`#...`