525f70debe
* alpha/set_error.c (arch_set_error): Set alpha_r3 to 1, update tracee's REG_A3. * powerpc/set_error.c (arch_set_error): Set bit 28 in CCR register, update tracee's PT_CCR. Fixes: v4.15~126 "Implement arch specific methods of changing syscall number and error code"
26 lines
599 B
C
26 lines
599 B
C
static int
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arch_set_error(struct tcb *tcp)
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{
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ppc_regs.gpr[3] = tcp->u_error;
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ppc_regs.ccr |= 0x10000000;
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#ifdef HAVE_GETREGS_OLD
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return upoke(tcp, sizeof(long) * PT_CCR, ppc_regs.ccr) ||
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upoke(tcp, sizeof(long) * (PT_R0 + 3), ppc_regs.gpr[3]);
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#else
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return set_regs(tcp->pid);
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#endif
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}
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static int
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arch_set_success(struct tcb *tcp)
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{
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ppc_regs.gpr[3] = tcp->u_rval;
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ppc_regs.ccr &= ~0x10000000;
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#ifdef HAVE_GETREGS_OLD
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return upoke(tcp, sizeof(long) * PT_CCR, ppc_regs.ccr) ||
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upoke(tcp, sizeof(long) * (PT_R0 + 3), ppc_regs.gpr[3]);
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#else
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return set_regs(tcp->pid);
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#endif
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}
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