port new object file sections and helper functions for non-ELF files

Author: mingmingl-llvm

compiler-rt/include/profile/InstrProfData.inc

@@ -748,7 +748,7 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
    than WIN32 */
 #define INSTR_PROF_DATA_COMMON __llvm_prf_data
 #define INSTR_PROF_NAME_COMMON __llvm_prf_names
-#define INSTR_PROF_VNAME_COMMON __llvm_prf_vtabnames
+#define INSTR_PROF_VNAME_COMMON __llvm_prf_vns
 #define INSTR_PROF_CNTS_COMMON __llvm_prf_cnts
 #define INSTR_PROF_BITS_COMMON __llvm_prf_bits
 #define INSTR_PROF_VALS_COMMON __llvm_prf_vals
@@ -785,6 +785,8 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
 #define INSTR_PROF_NAME_SECT_NAME INSTR_PROF_NAME_COFF
 #define INSTR_PROF_CNTS_SECT_NAME INSTR_PROF_CNTS_COFF
 #define INSTR_PROF_BITS_SECT_NAME INSTR_PROF_BITS_COFF
+#define INSTR_PROF_VTAB_SECT_NAME INSTR_PROF_VTAB_COFF
+#define INSTR_PROF_VNAME_SECT_NAME INSTR_PROF_VNAME_COFF
 /* Array of pointers. Each pointer points to a list
  * of value nodes associated with one value site.
  */
@@ -802,6 +804,8 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
 #define INSTR_PROF_NAME_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_NAME_COMMON)
 #define INSTR_PROF_CNTS_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_CNTS_COMMON)
 #define INSTR_PROF_BITS_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_BITS_COMMON)
+#define INSTR_PROF_VTAB_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_VTAB_COMMON)
+#define INSTR_PROF_VNAME_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_VNAME_COMMON)
 /* Array of pointers. Each pointer points to a list
  * of value nodes associated with one value site.
  */

compiler-rt/lib/profile/InstrProfiling.h

@@ -117,8 +117,8 @@ char *__llvm_profile_begin_bitmap(void);
 char *__llvm_profile_end_bitmap(void);
 ValueProfNode *__llvm_profile_begin_vnodes();
 ValueProfNode *__llvm_profile_end_vnodes();
-VTableProfData *__llvm_profile_begin_vtables();
-VTableProfData *__llvm_profile_end_vtables();
+const VTableProfData *__llvm_profile_begin_vtables();
+const VTableProfData *__llvm_profile_end_vtables();
 uint32_t *__llvm_profile_begin_orderfile();
 
 /*!

compiler-rt/lib/profile/InstrProfilingFile.c

@@ -137,15 +137,18 @@ static int mmapForContinuousMode(uint64_t CurrentFileOffset, FILE *File) {
              DataBegin, PageSize);
     return 1;
   }
+
   int Fileno = fileno(File);
   /* Determine how much padding is needed before/after the counters and
    * after the names. */
   uint64_t PaddingBytesBeforeCounters, PaddingBytesAfterCounters,
-      PaddingBytesAfterNames, PaddingBytesAfterBitmapBytes;
+      PaddingBytesAfterNames, PaddingBytesAfterBitmapBytes,
+      PaddingBytesAfterVTable, PaddingBytesAfterVNames;
   __llvm_profile_get_padding_sizes_for_counters(
-      DataSize, CountersSize, NumBitmapBytes, NamesSize,
-      &PaddingBytesBeforeCounters, &PaddingBytesAfterCounters,
-      &PaddingBytesAfterBitmapBytes, &PaddingBytesAfterNames);
+      DataSize, CountersSize, NumBitmapBytes, NamesSize, /*VTableSize=*/0,
+      /*VNameSize=*/0, &PaddingBytesBeforeCounters, &PaddingBytesAfterCounters,
+      &PaddingBytesAfterBitmapBytes, &PaddingBytesAfterNames,
+      &PaddingBytesAfterVTable, &PaddingBytesAfterVNames);
 
   uint64_t PageAlignedCountersLength = CountersSize + PaddingBytesAfterCounters;
   uint64_t FileOffsetToCounters = CurrentFileOffset +

compiler-rt/lib/profile/InstrProfilingPlatformAIX.c

@@ -175,7 +175,8 @@ void __llvm_profile_register_names_function(void *NamesStart,
                                             uint64_t NamesSize) {}
 
 // The __start_SECNAME and __stop_SECNAME symbols (for SECNAME \in
-// {"__llvm_prf_cnts", "__llvm_prf_data", "__llvm_prf_name", "__llvm_prf_vnds"})
+// {"__llvm_prf_cnts", "__llvm_prf_data", "__llvm_prf_name", "__llvm_prf_vnds",
+// "__llvm_prf_vns", "__llvm_prf_vtab"})
 // are always live when linking on AIX, regardless if the .o's being linked
 // reference symbols from the profile library (for example when no files were
 // compiled with -fprofile-generate). That's because these symbols are kept
@@ -197,6 +198,8 @@ static int dummy_vnds[0] COMPILER_RT_SECTION(
     COMPILER_RT_SEG INSTR_PROF_VNODES_SECT_NAME);
 static int dummy_orderfile[0] COMPILER_RT_SECTION(
     COMPILER_RT_SEG INSTR_PROF_ORDERFILE_SECT_NAME);
+static int dummy_vname[0] COMPILER_RT_SECTION(COMPILER_RT_SEG INSTR_PROF_VNAME_SECT_NAME);
+static int dummy_vtab[0] COMPILER_RT_SECTION(COMPILER_RT_SEG INSTR_PROF_VTAB_SECT_NAME);
 
 // To avoid GC'ing of the dummy variables by the linker, reference them in an
 // array and reference the array in the runtime registration code
@@ -208,7 +211,8 @@ static int dummy_orderfile[0] COMPILER_RT_SECTION(
 COMPILER_RT_VISIBILITY
 void *__llvm_profile_keep[] = {(void *)&dummy_cnts, (void *)&dummy_bits,
                                (void *)&dummy_data, (void *)&dummy_name,
-                               (void *)&dummy_vnds, (void *)&dummy_orderfile};
+                               (void *)&dummy_vnds, (void *)&dummy_orderfile,
+                               (void *)&dummy_vname, (void* )&dummy_vtab};
 #ifdef __GNUC__
 #pragma GCC diagnostic pop
 #endif

compiler-rt/lib/profile/InstrProfilingPlatformDarwin.c

@@ -36,6 +36,17 @@ extern char
 COMPILER_RT_VISIBILITY
 extern char BitmapEnd __asm("section$end$__DATA$" INSTR_PROF_BITS_SECT_NAME);
 COMPILER_RT_VISIBILITY
+extern VTableProfData
+    VTableProfStart __asm("section$start$__DATA$" INSTR_PROF_VTAB_SECT_NAME);
+COMPILER_RT_VISIBILITY
+extern VTableProfData
+    VTableProfEnd __asm("section$end$__DATA$" INSTR_PROF_VTAB_SECT_NAME);
+COMPILER_RT_VISIBILITY
+extern char
+    VNameStart __asm("section$start$__DATA$" INSTR_PROF_VNAME_SECT_NAME);
+COMPILER_RT_VISIBILITY
+extern char VNameEnd __asm("section$end$__DATA$" INSTR_PROF_VNAME_SECT_NAME);
+COMPILER_RT_VISIBILITY
 extern uint32_t
     OrderFileStart __asm("section$start$__DATA$" INSTR_PROF_ORDERFILE_SECT_NAME);
 
@@ -65,6 +76,18 @@ char *__llvm_profile_begin_bitmap(void) { return &BitmapStart; }
 COMPILER_RT_VISIBILITY
 char *__llvm_profile_end_bitmap(void) { return &BitmapEnd; }
 COMPILER_RT_VISIBILITY
+const VTableProfData *__llvm_profile_begin_vtables(void) {
+  return &VTableProfStart;
+}
+COMPILER_RT_VISIBILITY
+const VTableProfData *__llvm_profile_end_vtables(void) {
+  return &VTableProfEnd;
+}
+COMPILER_RT_VISIBILITY
+const char *__llvm_profile_begin_vtabnames(void) { return &VNameStart; }
+COMPILER_RT_VISIBILITY
+const char *__llvm_profile_end_vtabnames(void) { return &VNameEnd; }
+COMPILER_RT_VISIBILITY
 uint32_t *__llvm_profile_begin_orderfile(void) { return &OrderFileStart; }
 
 COMPILER_RT_VISIBILITY

compiler-rt/lib/profile/InstrProfilingPlatformOther.c

@@ -18,8 +18,12 @@
 
 static const __llvm_profile_data *DataFirst = NULL;
 static const __llvm_profile_data *DataLast = NULL;
+static const VTableProfData* VTableProfDataFirst = NULL;
+static const VTableProfData* VTableProfDataLast = NULL;
 static const char *NamesFirst = NULL;
 static const char *NamesLast = NULL;
+static const char* VNamesFirst = NULL;
+sttatic const char* VNamesLast = NULL;
 static char *CountersFirst = NULL;
 static char *CountersLast = NULL;
 static uint32_t *OrderFileFirst = NULL;
@@ -80,11 +84,20 @@ COMPILER_RT_VISIBILITY
 const __llvm_profile_data *__llvm_profile_begin_data(void) { return DataFirst; }
 COMPILER_RT_VISIBILITY
 const __llvm_profile_data *__llvm_profile_end_data(void) { return DataLast; }
+COMPILER_RT_VISIBILITY const VTableProfData* __llvm_profile_begin_vtables(void) {
+  return VTableProfDataFirst;
+}
+COMPILER_RT_VISIBILITY const VTableProfData* __llvm_profile_end_vtables(void) {
+  return VTableProfDataLast;
+}
 COMPILER_RT_VISIBILITY
 const char *__llvm_profile_begin_names(void) { return NamesFirst; }
 COMPILER_RT_VISIBILITY
 const char *__llvm_profile_end_names(void) { return NamesLast; }
 COMPILER_RT_VISIBILITY
+const char* __llvm_profile_begin_vtabnames(void) { return VNamesFirst; }
+const char* __llvm_profile_end_vtabnames(void) { return VNamesLast; }
+COMPILER_RT_VISIBILITY
 char *__llvm_profile_begin_counters(void) { return CountersFirst; }
 COMPILER_RT_VISIBILITY
 char *__llvm_profile_end_counters(void) { return CountersLast; }

compiler-rt/lib/profile/InstrProfilingPlatformWindows.c

@@ -26,6 +26,10 @@
 /* Allocate read-only section bounds. */
 #pragma section(".lprfn$A", read)
 #pragma section(".lprfn$Z", read)
+#pragma section(".lprfvn$A", read)
+#pragma section(".lprfvn$Z", read)
+#pragma section(".lprfvt$A", read)
+#pragma section(".lprfvt$Z", read)
 
 /* Allocate read-write section bounds. */
 #pragma section(".lprfd$A", read, write)
@@ -42,9 +46,15 @@
 __llvm_profile_data COMPILER_RT_SECTION(".lprfd$A") DataStart = {0};
 __llvm_profile_data COMPILER_RT_SECTION(".lprfd$Z") DataEnd = {0};
 
+VTableProfData COMPILER_RT_SECTION(".lprfvt$A") VTableProfDataStart = {0};
+VTableProfData COMPILER_RT_SECTION(".lprfvt$Z") VTableProfDataEnd = {0};
+
 const char COMPILER_RT_SECTION(".lprfn$A") NamesStart = '\0';
 const char COMPILER_RT_SECTION(".lprfn$Z") NamesEnd = '\0';
 
+const char COMPILER_RT_SECTION(".lprfvn$A") VNamesStart = '\0';
+const char COMPILER_RT_SECTION(".lprfvn$Z") VNamesEnd = '\0';
+
 char COMPILER_RT_SECTION(".lprfc$A") CountersStart;
 char COMPILER_RT_SECTION(".lprfc$Z") CountersEnd;
 char COMPILER_RT_SECTION(".lprfb$A") BitmapStart;
@@ -59,9 +69,20 @@ const __llvm_profile_data *__llvm_profile_begin_data(void) {
 }
 const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; }
 
+const VTableProfData* __llvm_profile_begin_vtables(void) {
+  return &VTableProfDataStart + 1;
+}
+
+const VTableProfData* __llvm_profile_end_vtables(void) {
+  return &VTableProfDataEnd;
+}
+
 const char *__llvm_profile_begin_names(void) { return &NamesStart + 1; }
 const char *__llvm_profile_end_names(void) { return &NamesEnd; }
 
+const char* __llvm_profile_begin_vtabnames(void) { return &VNamesStart + 1; }
+const char* __llvm_profile_end_vtabnames(void) { return &VNamesEnd; }
+
 char *__llvm_profile_begin_counters(void) { return &CountersStart + 1; }
 char *__llvm_profile_end_counters(void) { return &CountersEnd; }
 char *__llvm_profile_begin_bitmap(void) { return &BitmapStart + 1; }

llvm/include/llvm/ProfileData/InstrProfData.inc

@@ -748,7 +748,7 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
    than WIN32 */
 #define INSTR_PROF_DATA_COMMON __llvm_prf_data
 #define INSTR_PROF_NAME_COMMON __llvm_prf_names
-#define INSTR_PROF_VNAME_COMMON __llvm_prf_vtabnames
+#define INSTR_PROF_VNAME_COMMON __llvm_prf_vns
 #define INSTR_PROF_CNTS_COMMON __llvm_prf_cnts
 #define INSTR_PROF_BITS_COMMON __llvm_prf_bits
 #define INSTR_PROF_VALS_COMMON __llvm_prf_vals
@@ -785,6 +785,8 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
 #define INSTR_PROF_NAME_SECT_NAME INSTR_PROF_NAME_COFF
 #define INSTR_PROF_CNTS_SECT_NAME INSTR_PROF_CNTS_COFF
 #define INSTR_PROF_BITS_SECT_NAME INSTR_PROF_BITS_COFF
+#define INSTR_PROF_VTAB_SECT_NAME INSTR_PROF_VTAB_COFF
+#define INSTR_PROF_VNAME_SECT_NAME INSTR_PROF_VNAME_COFF
 /* Array of pointers. Each pointer points to a list
  * of value nodes associated with one value site.
  */
@@ -802,6 +804,8 @@ serializeValueProfDataFrom(ValueProfRecordClosure *Closure,
 #define INSTR_PROF_NAME_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_NAME_COMMON)
 #define INSTR_PROF_CNTS_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_CNTS_COMMON)
 #define INSTR_PROF_BITS_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_BITS_COMMON)
+#define INSTR_PROF_VTAB_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_VTAB_COMMON)
+#define INSTR_PROF_VNAME_SECT_NAME INSTR_PROF_QUOTE(INSTR_PROF_VNAME_COMMON)
 /* Array of pointers. Each pointer points to a list
  * of value nodes associated with one value site.
  */