From 321b13b9ac2a395db1c7591cfe86bddfc0944e25 Mon Sep 17 00:00:00 2001 From: David Smith Date: Wed, 18 Feb 2009 09:29:39 -0600 Subject: Removed unused functions and variables. 2009-02-18 David Smith * io.c (_stp_log): Removed unused function. * map.c (_stp_cmp): Replace _stp_log() with dbug(). * mempool.c (_stp_mempool_resize): Removed unused function. * print.c (next_fmt): Removed unused function. * procfs.c: Removed unused variable '_stp_num_procfs_files'. * regs.c (_stp_ret_addr): Removed unused function. * string.c (_stp_text_str): Removed unused variable 'len'. * string.h: Removed unused variable '_stdout_' and function declaration for deleted function '_stp_vsprintf'. * sym.c: Removed unused variables. * unwind.c (_stp_create_unwind_hdr): Removed unused function. 2009-02-18 David Smith * control.c: Removed unused variable '_stp_current_buffers'. * procfs.c (_stp_set_buffers): Removed unused function. (_stp_register_ctl_channel_fs): Removed unused variables and label. * symbols.c (u32_swap): Removed unused function. (generic_swap): Ditto. (_stp_sort): Ditto. (_stp_section_is_interesting): Ditto. * transport.c (_stp_transport_init): Removed unused variable 'ret'. --- runtime/regs.c | 37 ------------------------------------- 1 file changed, 37 deletions(-) (limited to 'runtime/regs.c') diff --git a/runtime/regs.c b/runtime/regs.c index 2f7c741d..e963affa 100644 --- a/runtime/regs.c +++ b/runtime/regs.c @@ -23,43 +23,6 @@ * @{ */ - -/** Get the current return address. - * Call from kprobes (not jprobes). - * @param regs The pt_regs saved by the kprobe. - * @return The return address saved in the stack pointer. - * @note i386 and x86_64 only so far. - */ - -static unsigned long _stp_ret_addr (struct pt_regs *regs) -{ -#if defined (STAPCONF_X86_UNIREGS) && (defined (__x86_64__) || defined (__i386__)) - unsigned long *ra = (unsigned long *)regs->sp; - if (ra) - return *ra; - else - return 0; -#elif defined (__x86_64__) - unsigned long *ra = (unsigned long *)regs->rsp; - if (ra) - return *ra; - else - return 0; -#elif defined (__i386__) - return regs->esp; -#elif defined (__powerpc64__) || defined (__arm__) - return REG_LINK(regs); -#elif defined (__ia64__) - return regs->b0; -#elif defined (__s390__) || defined (__s390x__) - return regs->gprs[14]; -#elif defined (__arm__) - return regs->ARM_r0; -#else - #error Unimplemented architecture -#endif -} - /** Get the current return address for a return probe. * Call from kprobe return probe. * @param ri Pointer to the struct kretprobe_instance. -- cgit