arm64: asm-offsets: add S_FP

So that assembly code can more easily manipulate the FP (x29) within a pt_regs, add an S_FP asm-offsets definition. Signed-off-by: Mark Rutland <[email protected]> Reviewed-by: Ard Biesheuvel <[email protected]> Reviewed-by: Torsten Duwe <[email protected]> Tested-by: Amit Daniel Kachhap <[email protected]> Tested-by: Torsten Duwe <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]>
Rust-for-Linux · Nov 6, 2019 · 1f377e0 · 1f377e0
1 parent e3bf8a6
commit 1f377e0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
@@ -56,6 +56,7 @@ int main(void)
   DEFINE(S_X24,			offsetof(struct pt_regs, regs[24]));
   DEFINE(S_X26,			offsetof(struct pt_regs, regs[26]));
   DEFINE(S_X28,			offsetof(struct pt_regs, regs[28]));
+  DEFINE(S_FP,			offsetof(struct pt_regs, regs[29]));
   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));