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authorChris Lattner <sabre@nondot.org>2007-01-07 18:13:48 +0000
committerChris Lattner <sabre@nondot.org>2007-01-07 18:13:48 +0000
commit5c4a96dfc57811c2c8eb238e2f702fb5a9dd9574 (patch)
treec9b1bfdeab763538f3db4fa6342f5412eba04615 /runtime
parentba8b327f6757bfc5ecb754a927b3317c1f53085e (diff)
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the old trace values pass has been removed, remove its runtime library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32999 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'runtime')
-rw-r--r--runtime/Makefile2
-rw-r--r--runtime/libtrace/Makefile18
-rw-r--r--runtime/libtrace/README.txt2
-rw-r--r--runtime/libtrace/tracelib.c392
-rw-r--r--runtime/libtrace/tracelib.h40
5 files changed, 1 insertions, 453 deletions
diff --git a/runtime/Makefile b/runtime/Makefile
index 8d6f0ff596..d1165800c7 100644
--- a/runtime/Makefile
+++ b/runtime/Makefile
@@ -18,7 +18,7 @@ install all::
$(Echo) "Warning: with llvm-gcc version 4 and beyond"
else
ifneq ($(wildcard $(LLVMGCC)),)
-PARALLEL_DIRS := GCCLibraries libdummy libprofile libtrace GC
+PARALLEL_DIRS := GCCLibraries libdummy libprofile GC
else
PARALLEL_DIRS :=
install all ::
diff --git a/runtime/libtrace/Makefile b/runtime/libtrace/Makefile
deleted file mode 100644
index 9a07070374..0000000000
--- a/runtime/libtrace/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-##===- runtime/libtrace/Makefile ---------------------------*- Makefile -*-===##
-#
-# The LLVM Compiler Infrastructure
-#
-# This file was developed by the LLVM research group and is distributed under
-# the University of Illinois Open Source License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-BYTECODE_LIBRARY = 1
-LIBRARYNAME = trace
-BYTECODE_DESTINATION = $(CFERuntimeLibDir)
-
-include $(LEVEL)/Makefile.common
-
-CompileCommonOpts := $(filter-out -pedantic,$(CompileCommonOpts))
-CompileCommonOpts := $(filter-out -Wno-long-long,$(CompileCommonOpts))
diff --git a/runtime/libtrace/README.txt b/runtime/libtrace/README.txt
deleted file mode 100644
index 80fee9bdbd..0000000000
--- a/runtime/libtrace/README.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-These routines form the support library for the LLVM -trace and -tracem
-instrumentation passes.
diff --git a/runtime/libtrace/tracelib.c b/runtime/libtrace/tracelib.c
deleted file mode 100644
index be726f1462..0000000000
--- a/runtime/libtrace/tracelib.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*===-- tracelib.c - Runtime routines for tracing ---------------*- C++ -*-===*
- *
- * Runtime routines for supporting tracing of execution for code generated by
- * LLVM.
- *
- *===----------------------------------------------------------------------===*/
-
-#include "tracelib.h"
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "llvm/Support/DataTypes.h"
-
-/*===---------------------------------------------------------------------=====
- * HASH FUNCTIONS
- *===---------------------------------------------------------------------===*/
-
-/* use #defines until we have inlining */
-typedef uintptr_t Index; /* type of keys, size for hash table */
-typedef uint32_t Generic; /* type of values stored in table */
-
-/* Index IntegerHashFunc(const Generic value, const Index size) */
-#define IntegerHashFunc(value, size) \
- ( ((((Index) value) << 3) ^ (((Index) value) >> 3)) % size )
-
-/* Index IntegerRehashFunc(const Generic oldHashValue, const Index size) */
-#define IntegerRehashFunc(oldHashValue, size) \
- ((Index) ((oldHashValue+16) % size)) /* 16 is relatively prime to a Mersenne prime! */
-
-/* Index PointerHashFunc(const void* value, const Index size) */
-#define PointerHashFunc(value, size) \
- IntegerHashFunc((Index) value, size)
-
-/* Index PointerRehashFunc(const void* value, const Index size) */
-#define PointerRehashFunc(value, size) \
- IntegerRehashFunc((Index) value, size)
-
-/*===---------------------------------------------------------------------=====
- * POINTER-TO-GENERIC HASH TABLE.
- * These should be moved to a separate location: HashTable.[ch]
- *===---------------------------------------------------------------------===*/
-
-typedef enum { FIND, ENTER } ACTION;
-typedef char FULLEMPTY;
-const FULLEMPTY EMPTY = '\0';
-const FULLEMPTY FULL = '\1';
-
-// List of primes closest to powers of 2 in [2^20 -- 2^30], obtained from
-// http://www.utm.edu/research/primes/lists/2small/0bit.html.
-// Use these as the successive sizes of the hash table.
-#define NUMPRIMES 11
-#define FIRSTENTRY 2
-const unsigned PRIMES[NUMPRIMES] = { (1<<20)-3, (1<<21)-9, (1<<22)-3, (1<<23)-15,
- (1<<24)-3, (1<<25)-39, (1<<26)-5, (1<<27)-39,
- (1<<28)-57, (1<<29)-3, (1<<30)-35 };
-unsigned CurrentSizeEntry = FIRSTENTRY;
-
-const unsigned MAX_NUM_PROBES = 4;
-
-typedef struct PtrValueHashEntry_struct {
- void* key;
- Generic value;
-} PtrValueHashEntry;
-
-typedef struct PtrValueHashTable_struct {
- PtrValueHashEntry* table;
- FULLEMPTY* fullEmptyFlags;
- Index capacity;
- Index size;
-} PtrValueHashTable;
-
-
-static Generic LookupOrInsertPtr(PtrValueHashTable* ptrTable, void* ptr,
- ACTION action, Generic value);
-
-static void Insert(PtrValueHashTable* ptrTable, void* ptr, Generic value);
-
-static void Delete(PtrValueHashTable* ptrTable, void* ptr);
-
-/* Returns 0 if the item is not found. */
-/* void* LookupPtr(PtrValueHashTable* ptrTable, void* ptr) */
-#define LookupPtr(ptrTable, ptr) \
- LookupOrInsertPtr(ptrTable, ptr, FIND, (Generic) 0)
-
-void
-InitializeTable(PtrValueHashTable* ptrTable, Index newSize)
-{
- ptrTable->table = (PtrValueHashEntry*) calloc(newSize,
- sizeof(PtrValueHashEntry));
- ptrTable->fullEmptyFlags = (FULLEMPTY*) calloc(newSize, sizeof(FULLEMPTY));
- ptrTable->capacity = newSize;
- ptrTable->size = 0;
-}
-
-PtrValueHashTable*
-CreateTable(Index initialSize)
-{
- PtrValueHashTable* ptrTable =
- (PtrValueHashTable*) malloc(sizeof(PtrValueHashTable));
- InitializeTable(ptrTable, initialSize);
- return ptrTable;
-}
-
-void
-ReallocTable(PtrValueHashTable* ptrTable, Index newSize)
-{
- if (newSize <= ptrTable->capacity)
- return;
-
-#ifndef NDEBUG
- printf("\n***\n*** REALLOCATING SPACE FOR POINTER HASH TABLE.\n");
- printf("*** oldSize = %ld, oldCapacity = %ld\n***\n\n",
- (long) ptrTable->size, (long) ptrTable->capacity);
-#endif
-
- unsigned int i;
- PtrValueHashEntry* oldTable = ptrTable->table;
- FULLEMPTY* oldFlags = ptrTable->fullEmptyFlags;
- Index oldSize = ptrTable->size;
- Index oldCapacity = ptrTable->capacity;
-
- /* allocate the new storage and flags and re-insert the old entries */
- InitializeTable(ptrTable, newSize);
- for (i=0; i < oldCapacity; ++i)
- if (oldFlags[i] == FULL)
- Insert(ptrTable, oldTable[i].key, oldTable[i].value);
-
- assert(ptrTable->size == oldSize && "Incorrect number of entries copied?");
-
-#ifndef NDEBUG
- for (i=0; i < oldCapacity; ++i)
- if (oldFlags[i] == FULL)
- assert(LookupPtr(ptrTable, oldTable[i].key) == oldTable[i].value);
-#endif
-
- free(oldTable);
- free(oldFlags);
-}
-
-void
-DeleteTable(PtrValueHashTable* ptrTable)
-{
- free(ptrTable->table);
- free(ptrTable->fullEmptyFlags);
- memset(ptrTable, '\0', sizeof(PtrValueHashTable));
- free(ptrTable);
-}
-
-void
-InsertAtIndex(PtrValueHashTable* ptrTable, void* ptr, Generic value, Index index)
-{
- assert(ptrTable->fullEmptyFlags[index] == EMPTY && "Slot is in use!");
- ptrTable->table[index].key = ptr;
- ptrTable->table[index].value = value;
- ptrTable->fullEmptyFlags[index] = FULL;
- ptrTable->size++;
-}
-
-void
-DeleteAtIndex(PtrValueHashTable* ptrTable, Index index)
-{
- assert(ptrTable->fullEmptyFlags[index] == FULL && "Deleting empty slot!");
- ptrTable->table[index].key = 0;
- ptrTable->table[index].value = (Generic) 0;
- ptrTable->fullEmptyFlags[index] = EMPTY;
- ptrTable->size--;
-}
-
-Index
-FindIndex(PtrValueHashTable* ptrTable, void* ptr)
-{
- unsigned numProbes = 1;
- Index index = PointerHashFunc(ptr, ptrTable->capacity);
- if (ptrTable->fullEmptyFlags[index] == FULL)
- {
- if (ptrTable->table[index].key == ptr)
- return index;
-
- /* First lookup failed on non-empty slot: probe further */
- while (numProbes < MAX_NUM_PROBES)
- {
- index = PointerRehashFunc(index, ptrTable->capacity);
- if (ptrTable->fullEmptyFlags[index] == EMPTY)
- break;
- else if (ptrTable->table[index].key == ptr)
- return index;
- ++numProbes;
- }
- }
-
- /* Lookup failed: item is not in the table. */
- /* If last slot is empty, use that slot. */
- /* Otherwise, table must have been reallocated, so search again. */
-
- if (numProbes == MAX_NUM_PROBES)
- { /* table is too full: reallocate and search again */
- if (CurrentSizeEntry >= NUMPRIMES-1) {
- fprintf(stderr, "Out of PRIME Numbers!!!");
- abort();
- }
- ReallocTable(ptrTable, PRIMES[++CurrentSizeEntry]);
- return FindIndex(ptrTable, ptr);
- }
- else
- {
- assert(ptrTable->fullEmptyFlags[index] == EMPTY &&
- "Stopped before finding an empty slot and before MAX probes!");
- return index;
- }
-}
-
-/* Look up hash table using 'ptr' as the key. If an entry exists, return
- * the value mapped to 'ptr'. If not, and if action==ENTER is specified,
- * create a new entry with value 'value', but return 0 in any case.
- */
-Generic
-LookupOrInsertPtr(PtrValueHashTable* ptrTable, void* ptr, ACTION action,
- Generic value)
-{
- Index index = FindIndex(ptrTable, ptr);
- if (ptrTable->fullEmptyFlags[index] == FULL &&
- ptrTable->table[index].key == ptr)
- return ptrTable->table[index].value;
-
- /* Lookup failed: item is not in the table */
- /* If action is ENTER, insert item into the table. Return 0 in any case. */
- if (action == ENTER)
- InsertAtIndex(ptrTable, ptr, value, index);
-
- return (Generic) 0;
-}
-
-void
-Insert(PtrValueHashTable* ptrTable, void* ptr, Generic value)
-{
- Index index = FindIndex(ptrTable, ptr);
- assert(ptrTable->fullEmptyFlags[index] == EMPTY &&
- "ptr is already in the table: delete it first!");
- InsertAtIndex(ptrTable, ptr, value, index);
-}
-
-void
-Delete(PtrValueHashTable* ptrTable, void* ptr)
-{
- Index index = FindIndex(ptrTable, ptr);
- if (ptrTable->fullEmptyFlags[index] == FULL &&
- ptrTable->table[index].key == ptr)
- {
- DeleteAtIndex(ptrTable, index);
- }
-}
-
-/*===---------------------------------------------------------------------=====
- * RUNTIME ROUTINES TO MAP POINTERS TO SEQUENCE NUMBERS
- *===---------------------------------------------------------------------===*/
-
-PtrValueHashTable* SequenceNumberTable = NULL;
-#define INITIAL_SIZE (PRIMES[FIRSTENTRY])
-
-#define MAX_NUM_SAVED 1024
-
-typedef struct PointerSet_struct {
- char* savedPointers[MAX_NUM_SAVED]; /* 1024 alloca'd ptrs shd suffice */
- unsigned int numSaved;
- struct PointerSet_struct* nextOnStack; /* implement a cheap stack */
-} PointerSet;
-
-PointerSet* topOfStack = NULL;
-
-SequenceNumber
-HashPointerToSeqNum(char* ptr)
-{
- static SequenceNumber count = 0;
- SequenceNumber seqnum;
- if (SequenceNumberTable == NULL) {
- assert(MAX_NUM_PROBES < INITIAL_SIZE+1 && "Initial size too small");
- SequenceNumberTable = CreateTable(INITIAL_SIZE);
- }
- seqnum = (SequenceNumber)
- LookupOrInsertPtr(SequenceNumberTable, ptr, ENTER, count+1);
-
- if (seqnum == 0) /* new entry was created with value count+1 */
- seqnum = ++count; /* so increment counter */
-
- assert(seqnum <= count && "Invalid sequence number in table!");
- return seqnum;
-}
-
-void
-ReleasePointerSeqNum(char* ptr)
-{ /* if a sequence number was assigned to this ptr, release it */
- if (SequenceNumberTable != NULL)
- Delete(SequenceNumberTable, ptr);
-}
-
-void
-PushPointerSet()
-{
- PointerSet* newSet = (PointerSet*) malloc(sizeof(PointerSet));
- newSet->numSaved = 0;
- newSet->nextOnStack = topOfStack;
- topOfStack = newSet;
-}
-
-void
-PopPointerSet()
-{
- PointerSet* oldSet;
- assert(topOfStack != NULL && "popping from empty stack!");
- oldSet = topOfStack;
- topOfStack = oldSet->nextOnStack;
- assert(oldSet->numSaved == 0);
- free(oldSet);
-}
-
-/* free the pointers! */
-static void
-ReleaseRecordedPointers(char* savedPointers[MAX_NUM_SAVED],
- unsigned int numSaved)
-{
- unsigned int i;
- for (i=0; i < topOfStack->numSaved; ++i)
- ReleasePointerSeqNum(topOfStack->savedPointers[i]);
-}
-
-void
-ReleasePointersPopSet()
-{
- ReleaseRecordedPointers(topOfStack->savedPointers, topOfStack->numSaved);
- topOfStack->numSaved = 0;
- PopPointerSet();
-}
-
-void
-RecordPointer(char* ptr)
-{ /* record pointers for release later */
- if (topOfStack->numSaved == MAX_NUM_SAVED) {
- printf("***\n*** WARNING: OUT OF ROOM FOR SAVED POINTERS."
- " ALL POINTERS ARE BEING FREED.\n"
- "*** THE SEQUENCE NUMBERS OF SAVED POINTERS WILL CHANGE!\n*** \n");
- ReleaseRecordedPointers(topOfStack->savedPointers, topOfStack->numSaved);
- topOfStack->numSaved = 0;
- }
- topOfStack->savedPointers[topOfStack->numSaved++] = ptr;
-}
-
-/*===---------------------------------------------------------------------=====
- * TEST DRIVER FOR INSTRUMENTATION LIBRARY
- *===---------------------------------------------------------------------===*/
-
-#ifndef TEST_INSTRLIB
-#undef TEST_INSTRLIB /* #define this to turn on by default */
-#endif
-
-#ifdef TEST_INSTRLIB
-int
-main(int argc, char** argv)
-{
- int i, j;
- int doRelease = 0;
-
- INITIAL_SIZE = 5; /* start with small table to test realloc's*/
-
- if (argc > 1 && ! strcmp(argv[1], "-r"))
- {
- PushPointerSet();
- doRelease = 1;
- }
-
- for (i=0; i < argc; ++i)
- for (j=0; argv[i][j]; ++j)
- {
- printf("Sequence number for argc[%d][%d] (%c) = Hash(%p) = %d\n",
- i, j, argv[i][j], argv[i]+j, HashPointerToSeqNum(argv[i]+j));
-
- if (doRelease)
- RecordPointer(argv[i]+j);
- }
-
- if (doRelease)
- ReleasePointersPopSet();
-
- /* print sequence numbers out again to compare with (-r) and w/o release */
- for (i=argc-1; i >= 0; --i)
- for (j=0; argv[i][j]; ++j)
- printf("Sequence number for argc[%d][%d] (%c) = %d\n",
- i, j, argv[i][j], argv[i]+j, HashPointerToSeqNum(argv[i]+j));
-
- return 0;
-}
-#endif
diff --git a/runtime/libtrace/tracelib.h b/runtime/libtrace/tracelib.h
deleted file mode 100644
index a60697a897..0000000000
--- a/runtime/libtrace/tracelib.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*===-- Libraries/tracelib.h - Runtime routines for tracing -----*- C++ -*--===
- *
- * Runtime routines for supporting tracing of execution
- * for code generated by LLVM.
- *
- *===---------------------------------------------------------------------===*/
-
-#ifndef _TEST_LIBRARIES_LIBINSTR_TRACELIB_
-#define _TEST_LIBRARIES_LIBINSTR_TRACELIB_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <sys/types.h>
-
-/*===---------------------------------------------------------------------=====
- * Support for tracing pointers
- *===---------------------------------------------------------------------===*/
-
-typedef unsigned int SequenceNumber;
-
-extern SequenceNumber HashPointerToSeqNum( char* ptr);
-
-extern void ReleasePointerSeqNum(char* ptr);
-
-extern void RecordPointer(char* ptr);
-
-extern void PushPointerSet();
-
-extern void ReleasePointersPopSet();
-
-
-#ifdef __cplusplus
-}
-#endif
-
-/*===---------------------------------------------------------------------===*/
-
-#endif