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https://github.com/xen-project/xen.git
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Ian Campbell
494c9074b3
A fair few things under tools link against libraries which they don't even use. Most of this appears to come from copy-and-pasting previous Makefile snippets and cargo-culting plus the tendency to define global $(LIBS) even for Makefiles which build multiple separate utilities or libraries. Identified by comparing a build with --as-needed to one without by looking at the NEEDED header of all ELF objects. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
#include <err.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdio.h>
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#include <xenctrl.h>
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int main(int argc, char **argv)
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{
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xc_interface *xch;
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int domid, port, rc;
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xc_evtchn_status_t status;
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domid = (argc > 1) ? strtol(argv[1], NULL, 10) : 0;
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xch = xc_interface_open(0,0,0);
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if ( !xch )
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errx(1, "failed to open control interface");
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for ( port = 0; ; port++ )
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{
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status.dom = domid;
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status.port = port;
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rc = xc_evtchn_status(xch, &status);
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if ( rc < 0 )
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break;
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if ( status.status == EVTCHNSTAT_closed )
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continue;
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printf("%4d: VCPU %u: ", port, status.vcpu);
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switch ( status.status )
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{
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case EVTCHNSTAT_unbound:
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printf("Interdomain (Waiting connection) - Remote Domain %u",
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status.u.unbound.dom);
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break;
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case EVTCHNSTAT_interdomain:
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printf("Interdomain (Connected) - Remote Domain %u, Port %u",
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status.u.interdomain.dom, status.u.interdomain.port);
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break;
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case EVTCHNSTAT_pirq:
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printf("Physical IRQ %u", status.u.pirq);
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break;
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case EVTCHNSTAT_virq:
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printf("Virtual IRQ %u", status.u.virq);
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break;
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case EVTCHNSTAT_ipi:
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printf("IPI");
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break;
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default:
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printf("Unknown");
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break;
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}
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printf("\n");
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}
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xc_interface_close(xch);
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return 0;
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}
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