From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/um/sys-ppc/ptrace_user.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 arch/um/sys-ppc/ptrace_user.c (limited to 'arch/um/sys-ppc/ptrace_user.c') diff --git a/arch/um/sys-ppc/ptrace_user.c b/arch/um/sys-ppc/ptrace_user.c new file mode 100644 index 00000000..4601b929 --- /dev/null +++ b/arch/um/sys-ppc/ptrace_user.c @@ -0,0 +1,29 @@ +#include +#include +#include + +int ptrace_getregs(long pid, unsigned long *regs_out) +{ + int i; + for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) { + errno = 0; + regs_out->regs[i] = ptrace(PTRACE_PEEKUSR, pid, i*4, 0); + if (errno) { + return -errno; + } + } + return 0; +} + +int ptrace_setregs(long pid, unsigned long *regs_in) +{ + int i; + for (i=0; i < sizeof(struct sys_pt_regs)/sizeof(PPC_REG); ++i) { + if (i != 34 /* FIXME: PT_ORIG_R3 */ && i <= PT_MQ) { + if (ptrace(PTRACE_POKEUSR, pid, i*4, regs_in->regs[i]) < 0) { + return -errno; + } + } + } + return 0; +} -- cgit v1.3.1