hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
28 lines
828 B
C
28 lines
828 B
C
/* Return -1 on error or 1 on success (never 0!). */
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static int
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get_syscall_args(struct tcb *tcp)
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{
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if (current_personality != 0) {
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/*
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* Zero-extend from 32 bits.
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* Use truncate_klong_to_current_wordsize(tcp->u_arg[N])
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* in syscall handlers
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* if you need to use *sign-extended* parameter.
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*/
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tcp->u_arg[0] = (uint32_t) ppc_regs.orig_gpr3;
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tcp->u_arg[1] = (uint32_t) ppc_regs.gpr[4];
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tcp->u_arg[2] = (uint32_t) ppc_regs.gpr[5];
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tcp->u_arg[3] = (uint32_t) ppc_regs.gpr[6];
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tcp->u_arg[4] = (uint32_t) ppc_regs.gpr[7];
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tcp->u_arg[5] = (uint32_t) ppc_regs.gpr[8];
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} else {
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tcp->u_arg[0] = ppc_regs.orig_gpr3;
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tcp->u_arg[1] = ppc_regs.gpr[4];
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tcp->u_arg[2] = ppc_regs.gpr[5];
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tcp->u_arg[3] = ppc_regs.gpr[6];
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tcp->u_arg[4] = ppc_regs.gpr[7];
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tcp->u_arg[5] = ppc_regs.gpr[8];
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}
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return 1;
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}
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