[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] xen/riscv: add explicit check that .got{.plt} is empty
commit 3146c0f10140e23594c8185568f887111e504977 Author: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> AuthorDate: Tue Apr 18 08:25:50 2023 +0200 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Tue Apr 18 08:25:50 2023 +0200 xen/riscv: add explicit check that .got{.plt} is empty The GOT sections usage should be avoided in the hypervisor so to catch such use cases earlier when GOT things are produced the patch introduces .got and .got.plt sections and adds asserts that they're empty. The sections won't be created until they remain empty otherwise the asserts would cause early failure. Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> Acked-by: Alistair Francis <alistair.francis@xxxxxxx> --- xen/arch/riscv/xen.lds.S | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/xen/arch/riscv/xen.lds.S b/xen/arch/riscv/xen.lds.S index 2ed70eccc6..31e0d3576c 100644 --- a/xen/arch/riscv/xen.lds.S +++ b/xen/arch/riscv/xen.lds.S @@ -124,6 +124,15 @@ SECTIONS *(SORT(.init_array.*)) __ctors_end = .; } :text + + .got : { + *(.got) + } : text + + .got.plt : { + *(.got.plt) + } : text + . = ALIGN(POINTER_ALIGN); __init_end = .; @@ -160,3 +169,6 @@ SECTIONS ASSERT(IS_ALIGNED(__bss_start, POINTER_ALIGN), "__bss_start is misaligned") ASSERT(IS_ALIGNED(__bss_end, POINTER_ALIGN), "__bss_end is misaligned") + +ASSERT(!SIZEOF(.got), ".got non-empty") +ASSERT(!SIZEOF(.got.plt), ".got.plt non-empty") -- generated by git-patchbot for /home/xen/git/xen.git#master
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