Messages in this thread Patch in this message | | | From | Zong Li <> | Subject | [PATCH v5 7/9] riscv: move exception table immediately after RO_DATA | Date | Wed, 8 Apr 2020 15:57:02 +0800 |
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Move EXCEPTION_TABLE immediately after RO_DATA. Make it easy to set the attribution of the sections which should be read-only at a time. Add _data to specify the start of data section with write permission. This patch is prepared for STRICT_KERNEL_RWX support.
Signed-off-by: Zong Li <zong.li@sifive.com> Suggested-by: Palmer Dabbelt <palmerdabbelt@google.com> --- arch/riscv/kernel/vmlinux.lds.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index 1e0193ded420..02e948b620af 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -58,6 +58,10 @@ SECTIONS *(.srodata*) } + EXCEPTION_TABLE(0x10) + + _data = .; + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) .sdata : { __global_pointer$ = . + 0x800; @@ -69,8 +73,6 @@ SECTIONS BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) - EXCEPTION_TABLE(0x10) - .rel.dyn : { *(.rel.dyn*) } -- 2.26.0
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