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- #include <stdio.h>
- #include <string.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <netdb.h>
- #include <unistd.h>
- #include "debug_net.h"
- static const char * const regnames[] = {
- "PC",
- "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
- "R8", "R9", "R10", "R11", "R12", "R13", "R14", "SP",
- "PC2", "PC3", "PR", "SR", "GBR", "VBR", "MACH", "MACL",
- "MEM0", "MEM1", // mem i/o csums
- };
- int main(int argc, char *argv[])
- {
- unsigned int pc_trace[5][4], pc_trace_p[5] = { 0, };
- struct addrinfo *ai, *ais, hints;
- int sock = -1, sock1, sock2;
- struct sockaddr_in6 sa;
- packet_t packet1, packet2;
- int i, ret, cnt, cpuid;
- socklen_t sal;
- memset(&hints, 0, sizeof(hints));
- hints.ai_flags = AI_CANONNAME;
- hints.ai_family = PF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- ret = getaddrinfo("::", "1234", &hints, &ais);
- if (ret != 0)
- return -1;
- for (ai = ais; ai != NULL; ai = ai->ai_next) {
- sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
- if (sock == -1)
- continue;
- ret = bind(sock, ai->ai_addr, ai->ai_addrlen);
- if (ret != 0) {
- close(sock);
- sock = -1;
- continue;
- }
- break;
- }
- freeaddrinfo(ais);
- if (sock == -1) {
- perror("failed to bind");
- return -1;
- }
-
- ret = listen(sock, SOMAXCONN);
- if (ret != 0) {
- perror("failed to listen");
- return -1;
- }
- sal = sizeof(sa);
- sock1 = accept(sock, (struct sockaddr *)&sa, &sal);
- if (sock1 == -1) {
- perror("failed to accept");
- return -1;
- }
- printf("client1 connected\n");
- sal = sizeof(sa);
- sock2 = accept(sock, (struct sockaddr *)&sa, &sal);
- if (sock2 == -1) {
- perror("failed to accept");
- return -1;
- }
- printf("client2 connected\n");
- for (cnt = 0; ; cnt++)
- {
- #define tmp_size (4+4 + 24*4 + 2*4)
- ret = recv(sock1, &packet1, tmp_size, MSG_WAITALL);
- if (ret != tmp_size) {
- if (ret < 0)
- perror("recv1");
- else
- printf("recv1 %d\n", ret);
- return -1;
- }
- ret = recv(sock2, &packet2, tmp_size, MSG_WAITALL);
- if (ret != tmp_size) {
- if (ret < 0)
- perror("recv2");
- else
- printf("recv2 %d\n", ret);
- return -1;
- }
- cpuid = packet1.header.cpuid;
- if (memcmp(&packet1, &packet2, sizeof(packet1.header) + packet1.header.len) == 0) {
- pc_trace[cpuid][pc_trace_p[cpuid]++ & 3] = packet1.regs[0];
- continue;
- }
- if (*(int *)&packet1.header != *(int *)&packet2.header)
- printf("%d: header\n", cnt);
- // check regs (and stuff)
- for (i = 0; i < 1+24+2; i++)
- if (packet1.regs[i] != packet2.regs[i])
- printf("%d: %3s: %08x %08x\n", cnt, regnames[i], packet1.regs[i], packet2.regs[i]);
- break;
- }
- printf("--\nCPU %d, trace:", cpuid);
- for (i = 0; i < 4; i++)
- printf(" %08x", pc_trace[cpuid][pc_trace_p[cpuid]++ & 3]);
- printf(" %08x\n", packet1.regs[0]);
- for (i = 0; i < 24+1; i++)
- printf("%3s: %08x %08x\n", regnames[i], packet1.regs[i], packet2.regs[i]);
- return 0;
- }
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