Changeset 3326 for neercs/trunkTweet

Timestamp:

Nov 15, 2008, 11:14:11 AM (12 years ago)

Author:

Sam Hocevar

Message:

mytrace.c: disambiguate error messages and use perror() instead of fprintf().

File:

• neercs/trunk/src/mytrace.c (modified) (14 diffs)

neercs/trunk/src/mytrace.c

@@ -119 +119 @@
     if(ptrace(PTRACE_ATTACH, pid, 0, 0) < 0)
     {
-        perror("ptrace_attach");
+        perror("PTRACE_ATTACH (attach)");
         return NULL;
     }
@@ -198 +198 @@
     if(ptrace(PTRACE_GETREGS, t->pid, NULL, &regs) < 0)
     {
-        fprintf(stderr, "PTRACE_GETREGS failed\n");
+        perror("PTRACE_GETREGS (open)\n");
         return errno;
     }
@@ -245 +245 @@
     if(ptrace(PTRACE_GETREGS, t->pid, NULL, &regs) < 0)
     {
-        fprintf(stderr, "PTRACE_GETREGS failed\n");
+        perror("PTRACE_GETREGS (write)\n");
         return errno;
     }
@@ -342 +342 @@
     if(ptrace(PTRACE_GETREGS, t->pid, NULL, &regs) < 0)
     {
-        fprintf(stderr, "PTRACE_GETREGS failed\n");
+        perror("PTRACE_GETREGS (exec)\n");
         return errno;
     }
@@ -445 +445 @@
         if(errno)
         {
-            perror("ptrace_peektext");
+            perror("ptrace_peektext (memcpy_from_target)");
             return -1;
         }
@@ -475 +475 @@
             if(errno)
             {
-                perror("ptrace_peektext");
+                perror("ptrace_peektext (memcpy_into_target)");
                 return -1;
             }
@@ -484 +484 @@
         if(errno)
         {
-            perror("ptrace_poketext");
+            perror("ptrace_poketext (memcpy_into_target)");
             return -1;
         }
@@ -530 +530 @@
         if(ptrace(PTRACE_GETREGS, t->pid, NULL, &oldregs) < 0)
         {
-            fprintf(stderr, "PTRACE_GETREGS failed\n");
+            perror("PTRACE_GETREGS (syscall 1)\n");
             return -1;
         }
@@ -591 +591 @@
     if(ptrace(PTRACE_SETREGS, t->pid, NULL, &regs) < 0)
     {
-        fprintf(stderr, "PTRACE_SETREGS failed\n");
+        perror("PTRACE_SETREGS (syscall 1)\n");
         return -1;
     }
@@ -603 +603 @@
         if(ptrace(PTRACE_SINGLESTEP, t->pid, NULL, NULL) < 0)
         {
-            fprintf(stderr, "PTRACE_SINGLESTEP failed\n");
+            perror("PTRACE_SINGLESTEP (syscall)\n");
             return -1;
         }
@@ -620 +620 @@
             if(ptrace(PTRACE_GETEVENTMSG, t->pid, 0, &t->child) < 0)
             {
-                fprintf(stderr, "PTRACE_GETEVENTMSG failed\n");
+                perror("PTRACE_GETEVENTMSG (syscall)\n");
                 return -1;
             }
@@ -641 +641 @@
     if(ptrace(PTRACE_GETREGS, t->pid, NULL, &regs) < 0)
     {
-        fprintf(stderr, "PTRACE_GETREGS failed\n");
+        perror("PTRACE_GETREGS (syscall 2)\n");
         return -1;
     }
@@ -647 +647 @@
     if(ptrace(PTRACE_SETREGS, t->pid, NULL, &oldregs) < 0)
     {
-        fprintf(stderr, "PTRACE_SETREGS failed\n");
+        perror("PTRACE_SETREGS (syscall 2)\n");
         return -1;
     }
@@ -674 +674 @@
     if(ptrace(PTRACE_GETREGS, pid, NULL, &regs) < 0)
     {
-        perror("ptrace_getregs");
+        perror("PTRACE_GETREGS (syscall 2)");
         exit(errno);
     }