On Sat, May 20, 2017 at 1:01 PM, H.J. Lu <hjl.tools@xxxxxxxxx> wrote: > On Sat, May 20, 2017 at 9:20 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote: > >>> >>> (H.J., could we get a binutils feature that allows is to do: >>> >>> pushq %whatever >>> .cfi_adjust_sp -8 >>> ... >>> popq %whatever >>> .cfi_adjust_sp 8 >>> > > Np. Compiler needs to generate this. > How would the compiler generate this when inline asm is involved? For the kernel, objtool could get around the need to have these annotations, but not so much for user code? Is the compiler supposed to parse the inline asm? Would the compiler provide some magic % code to represent the current CFA base register? -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
