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#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/ptrace.h>
#include <asm/ptrace.h>
#include "ltrace.h"
#if (!defined(PTRACE_PEEKUSER) && defined(PTRACE_PEEKUSR))
# define PTRACE_PEEKUSER PTRACE_PEEKUSR
#endif
#if (!defined(PTRACE_POKEUSER) && defined(PTRACE_POKEUSR))
# define PTRACE_POKEUSER PTRACE_POKEUSR
#endif
void *
get_instruction_pointer(Process *proc) {
return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, sizeof(long) * PT_NIP,
0);
}
void
set_instruction_pointer(Process *proc, void *addr) {
ptrace(PTRACE_POKEUSER, proc->pid, sizeof(long) * PT_NIP, addr);
}
void *
get_stack_pointer(Process *proc) {
return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, sizeof(long) * PT_R1,
0);
}
void *
get_return_addr(Process *proc, void *stack_pointer) {
return (void *)ptrace(PTRACE_PEEKUSER, proc->pid, sizeof(long) * PT_LNK,
0);
}
/* Grab the value of CTR registers. */
void *
get_count_register (Process *proc) {
return (void *) ptrace (PTRACE_PEEKUSER, proc->pid,
sizeof (long) * PT_CTR, 0);
}
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