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29 lines
574 B
29 lines
574 B
#include "negated_errno.h"
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static void
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get_error(struct tcb *tcp, const bool check_errno)
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{
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/*
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* In X32, return value is 64-bit (llseek uses one).
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* Using merely "long rax" would not work.
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*/
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long long rax;
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if (x86_io.iov_len == sizeof(i386_regs)) {
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/* Sign extend from 32 bits */
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rax = (int32_t) i386_regs.eax;
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} else {
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rax = x86_64_regs.rax;
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}
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if (check_errno && is_negated_errno(rax)) {
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tcp->u_rval = -1;
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tcp->u_error = -rax;
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} else {
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if (x86_io.iov_len == sizeof(i386_regs))
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tcp->u_rval = (uint32_t) rax;
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else
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tcp->u_rval = rax;
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}
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}
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