Commit a7f3941a authored by Linus Torvalds's avatar Linus Torvalds
parents f3fe81d9 474f8196
...@@ -605,6 +605,13 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) ...@@ -605,6 +605,13 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
regs->ccr = 0; regs->ccr = 0;
regs->gpr[1] = sp; regs->gpr[1] = sp;
/*
* We have just cleared all the nonvolatile GPRs, so make
* FULL_REGS(regs) return true. This is necessary to allow
* ptrace to examine the thread immediately after exec.
*/
regs->trap &= ~1UL;
#ifdef CONFIG_PPC32 #ifdef CONFIG_PPC32
regs->mq = 0; regs->mq = 0;
regs->nip = start; regs->nip = start;
......
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