From 8eca5c7d9f2855a4af7dc3d213abb5760cca31cb Mon Sep 17 00:00:00 2001 From: Stephen Casner Date: Thu, 4 Jun 2020 23:41:57 -0700 Subject: Fix unresolved test in binutils for pdp11. * binutils/testsuite/binutils-all/pr25662-pdp11.s: Alternate source file for test using section pseudo-ops compatible with pdp11. * binutils/testsuite/binutils-all/objcopy.exp: Select alternate source. --- binutils/testsuite/binutils-all/objcopy.exp | 8 +++++- binutils/testsuite/binutils-all/pr25662-pdp11.s | 36 +++++++++++++++++++++++++ 2 files changed, 43 insertions(+), 1 deletion(-) create mode 100644 binutils/testsuite/binutils-all/pr25662-pdp11.s (limited to 'binutils/testsuite') diff --git a/binutils/testsuite/binutils-all/objcopy.exp b/binutils/testsuite/binutils-all/objcopy.exp index 56a7db8..dd74860 100644 --- a/binutils/testsuite/binutils-all/objcopy.exp +++ b/binutils/testsuite/binutils-all/objcopy.exp @@ -1348,4 +1348,10 @@ setup_xfail "sh-*-coff*" setup_xfail "spu-*-*" clear_xfail "hppa*64*-*-hpux*" "hppa*-*-linux*" "hppa*-*-lites*" clear_xfail "hppa*-*-*n*bsd*" "hppa*-*-rtems*" "hppa*-*-*elf*" -objcopy_test "pr25662" pr25662.s executable "" "-T$srcdir/$subdir/pr25662.ld" +if { [istarget pdp11-*-*] } { + set src "pr25662-pdp11.s" +} else { + set src "pr25662.s" +} + +objcopy_test "pr25662" $src executable "" "-T$srcdir/$subdir/pr25662.ld" diff --git a/binutils/testsuite/binutils-all/pr25662-pdp11.s b/binutils/testsuite/binutils-all/pr25662-pdp11.s new file mode 100644 index 0000000..0b2481e --- /dev/null +++ b/binutils/testsuite/binutils-all/pr25662-pdp11.s @@ -0,0 +1,36 @@ +/* PR 25662: objcopy sets invalid sh_offset for the first section in a + no_contents segment containing program headers. + + Several conditions are required for the bug to manifest: + - The first loadable segment (which contains the program headers) must only + contain SHT_NOBITS sections. .bss is the SHT_NOBITS section in this test. + - The next loadable segment must have a !SHT_NOBITS loadable section. .data + is the !SHT_NOBITS section in this test. + - .bss must be positioned after .data in the executable file itself. + - The size of .data must be such that the calculated VMA of the .bss + section that follows it is not congruent with the file offset of .bss, + modulo the p_align of its segment, i.e.: + (VMA(.data) + sizeof(.data)) % (.bss_segment.p_align) != 0 + This will force the sh_offset of .bss to be aligned so it appears within + .data. + - The size of .data must be larger than the program headers in the first + loadable segment, so that the file offset of .bss is immediately + after .data, and not padded to a valid alignment by the program headers. + + The bug originally only manifested for ELF targets, but there's no reason not + to run this testcase for other file formats. This variant source for pdp11 + uses .text rather than .section text, etc., because the latter are not + supported, */ + + .bss +a: + .zero 0x2 + + .data +c: + .zero 0x201 + + .text + .global _start +_start: + .long 0 -- cgit v1.1