diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/profil-counter.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/profil-counter.h | 51 |
1 files changed, 48 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/profil-counter.h b/sysdeps/unix/sysv/linux/arm/profil-counter.h index d84e70e..0d5024f 100644 --- a/sysdeps/unix/sysv/linux/arm/profil-counter.h +++ b/sysdeps/unix/sysv/linux/arm/profil-counter.h @@ -1,5 +1,5 @@ /* Low-level statistical profiling support function. Linux/ARM version. - Copyright (C) 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,9 +18,54 @@ Boston, MA 02111-1307, USA. */ #include <signal.h> +#include <asm/ptrace.h> + +union k_sigcontext + { + struct + { + unsigned long int trap_no; + unsigned long int error_code; + unsigned long int oldmask; + unsigned long int arm_r0; + unsigned long int arm_r1; + unsigned long int arm_r2; + unsigned long int arm_r3; + unsigned long int arm_r4; + unsigned long int arm_r5; + unsigned long int arm_r6; + unsigned long int arm_r7; + unsigned long int arm_r8; + unsigned long int arm_r9; + unsigned long int arm_r10; + unsigned long int arm_fp; + unsigned long int arm_ip; + unsigned long int arm_sp; + unsigned long int arm_lr; + unsigned long int arm_pc; + unsigned long int arm_cpsr; + } v21; + struct + { + unsigned long int magic; + struct pt_regs reg; + unsigned long int trap_no; + unsigned long int error_code; + unsigned long int oldmask; + } v20; +}; void -profil_counter (int signo, struct sigcontext sc) +profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc) { - profil_count ((void *) sc.reg.ARM_pc); + /* The format of struct sigcontext changed between 2.0 and 2.1 kernels. + Fortunately 2.0 puts a magic number in the first word and this is not + a legal value for `trap_no', so we can tell them apart. */ + + void *pc; + if (sc.v20.magic == 0x4B534154) + pc = (void *) sc.v20.reg.ARM_pc; + else + pc = (void *) sc.v21.arm_pc; + profil_count (pc); } |