[llvm-commits] CVS: llvm/runtime/libprofile/CommonProfiling.c
Chris Lattner
lattner at cs.uiuc.edu
Tue Oct 28 16:46:01 PST 2003
Changes in directory llvm/runtime/libprofile:
CommonProfiling.c updated: 1.2 -> 1.3
---
Log message:
Actually save and pass in argument information
---
Diffs of the changes: (+20 -15)
Index: llvm/runtime/libprofile/CommonProfiling.c
diff -u llvm/runtime/libprofile/CommonProfiling.c:1.2 llvm/runtime/libprofile/CommonProfiling.c:1.3
--- llvm/runtime/libprofile/CommonProfiling.c:1.2 Tue Oct 28 13:35:56 2003
+++ llvm/runtime/libprofile/CommonProfiling.c Tue Oct 28 16:45:25 2003
@@ -19,24 +19,31 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <stdlib.h>
-static int SavedArgc = 0;
-static const char **SavedArgv = 0;
+static char *SavedArgs = 0;
+static unsigned SavedArgsLength = 0;
/* save_arguments - Save argc and argv as passed into the program for the file
* we output.
*/
void save_arguments(int argc, const char **argv) {
- if (SavedArgv) return; /* This can be called multiple times */
+ unsigned Length, i;
+ if (SavedArgs || !argv) return; /* This can be called multiple times */
- /* FIXME: this should copy the arguments out of argv into a string of our own,
- * because the program might modify the arguments!
- */
- SavedArgc = argc;
- SavedArgv = argv;
-}
+ for (Length = 0, i = 0; i != (unsigned)argc; ++i)
+ Length += strlen(argv[i])+1;
+ SavedArgs = (char*)malloc(Length);
+ for (Length = 0, i = 0; i != (unsigned)argc; ++i) {
+ unsigned Len = strlen(argv[i]);
+ memcpy(SavedArgs+Length, argv[i], Len);
+ Length += Len;
+ SavedArgs[Length++] = ' ';
+ }
+ SavedArgsLength = Length;
+}
/* write_profiling_data - Write a raw block of profiling counters out to the
@@ -62,16 +69,14 @@
/* Output the command line arguments to the file. */
{
- const char *Args = "";
int PTy = Arguments;
- int ArgLength = strlen(Args);
int Zeros = 0;
write(OutFile, &PTy, sizeof(int));
- write(OutFile, &ArgLength, sizeof(int));
- write(OutFile, Args, ArgLength);
+ write(OutFile, &SavedArgsLength, sizeof(unsigned));
+ write(OutFile, SavedArgs, SavedArgsLength);
/* Pad out to a multiple of four bytes */
- if (ArgLength & 3)
- write(OutFile, &Zeros, 4-(ArgLength&3));
+ if (SavedArgsLength & 3)
+ write(OutFile, &Zeros, 4-(SavedArgsLength&3));
}
}
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