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#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include "ptrace.h"
#include "ltrace.h"
void *
get_instruction_pointer(Process *proc) {
proc_archdep *a = (proc_archdep *) (proc->arch_ptr);
if (a->valid)
return (void *)a->regs.r_pc;
return (void *)-1;
}
void
set_instruction_pointer(Process *proc, void *addr) {
proc_archdep *a = (proc_archdep *) (proc->arch_ptr);
if (a->valid)
a->regs.r_pc = (long)addr;
}
void *
get_stack_pointer(Process *proc) {
proc_archdep *a = (proc_archdep *) (proc->arch_ptr);
if (a->valid)
return (void *)a->regs.r_o6;
return (void *)-1;
}
void *
get_return_addr(Process *proc, void *stack_pointer) {
proc_archdep *a = (proc_archdep *) (proc->arch_ptr);
unsigned int t;
if (!a->valid)
return (void *)-1;
/* Work around structure returns */
t = ptrace(PTRACE_PEEKTEXT, proc->pid, a->regs.r_o7 + 8, 0);
if (t < 0x400000)
return (void *)a->regs.r_o7 + 12;
return (void *)a->regs.r_o7 + 8;
}
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