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linux-user: Implement do_setcontext for PPC64

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Eliminate the stub for the do_setcontext() function for TARGET_PPC64.  The
implementation re-uses the existing TARGET_PPC32 code with the only change
being the computation of the address of the register save area.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2014-06-30 08:13:40 -05:00 committed by Alexander Graf
parent 8d6ab333eb
commit 19774ec5c4
1 changed files with 5 additions and 5 deletions
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10
linux-user/signal.c
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@ -4877,10 +4877,6 @@ sigsegv:
/* See arch/powerpc/kernel/signal_32.c. */
static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig)
{
#if defined(TARGET_PPC64)
fprintf(stderr, "do_setcontext: not implemented\n");
return 0;
#else
struct target_mcontext *mcp;
target_ulong mcp_addr;
sigset_t blocked;
@ -4890,7 +4886,12 @@ static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig)
sizeof (set)))
return 1;
#if defined(TARGET_PPC64)
mcp_addr = h2g(ucp) +
offsetof(struct target_ucontext, tuc_sigcontext.mcontext);
#else
__get_user(mcp_addr, &ucp->tuc_regs);
#endif
if (!lock_user_struct(VERIFY_READ, mcp, mcp_addr, 1))
return 1;
@ -4901,7 +4902,6 @@ static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig)
unlock_user_struct(mcp, mcp_addr, 1);
return 0;
#endif
}
long do_rt_sigreturn(CPUPPCState *env)