Messages in this thread Patch in this message | | | Date | Mon, 25 Jun 2018 15:38:50 -0700 | Subject | [PATCH v5 02/27] x86: Use symbol name on bug table for PIE support | From | Thomas Garnier <> |
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Replace the %c constraint with %P. The %c is incompatible with PIE because it implies an immediate value whereas %P reference a symbol.
Position Independent Executable (PIE) support will allow to extend the KASLR randomization range 0xffffffff80000000.
Signed-off-by: Thomas Garnier <thgarnie@google.com> --- arch/x86/include/asm/bug.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h index 6804d6642767..3d690a4abf50 100644 --- a/arch/x86/include/asm/bug.h +++ b/arch/x86/include/asm/bug.h @@ -35,7 +35,7 @@ do { \ asm volatile("1:\t" ins "\n" \ ".pushsection __bug_table,\"aw\"\n" \ "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \ - "\t" __BUG_REL(%c0) "\t# bug_entry::file\n" \ + "\t" __BUG_REL(%P0) "\t# bug_entry::file\n" \ "\t.word %c1" "\t# bug_entry::line\n" \ "\t.word %c2" "\t# bug_entry::flags\n" \ "\t.org 2b+%c3\n" \ -- 2.18.0.rc2.346.g013aa6912e-goog
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