perf: Fix build inside the Android source treetopic-perf-android

Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>

5 files changed, 146 insertions, 3 deletions

diff --git a/include/uapi/asm-generic/posix_types.h b/include/uapi/asm-generic/posix_types.h
index fe74fccf18d..85bbd1160d5 100644
--- a/include/uapi/asm-generic/posix_types.h
+++ b/include/uapi/asm-generic/posix_types.h
@@ -1,7 +1,12 @@
 #ifndef __ASM_GENERIC_POSIX_TYPES_H
 #define __ASM_GENERIC_POSIX_TYPES_H
 
+#if !defined(__arm__) && !defined(__aarch64__)
 #include <asm/bitsperlong.h>
+#else
+#include <asm-generic/bitsperlong.h>
+#endif
+
 /*
  * This file is generally used by user-level software, so you need to
  * be a little careful about namespace pollution etc.
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index a20e3203343..e00ce22eec4 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -130,6 +130,7 @@ CFLAGS ?= -g -Wall
 # Append required CFLAGS
 override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
 override CFLAGS += $(udis86-flags) -D_GNU_SOURCE
+override CFLAGS += $(ANDROID_CFLAGS)
 
 ifeq ($(VERBOSE),1)
   Q =
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 891bc77bdb2..236333beb74 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -103,7 +103,7 @@ ifdef PARSER_DEBUG
 	PARSER_DEBUG_CFLAGS := -DPARSER_DEBUG
 endif
 
-CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
+CFLAGS = $(ANDROID_CFLAGS) -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
 EXTLIBS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 ALL_LDFLAGS = $(LDFLAGS)
@@ -204,7 +204,8 @@ ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
 	BIONIC := 1
 	EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
-	BASIC_CFLAGS += -I.
+	ANDROID_CFLAGS += -I. -DANDROID -DHAVE_STRLCPY -include $(CURDIR)/compat-android.h
+	CFLAGS += -I. -DANDROID -DHAVE_STRLCPY -include $(CURDIR)/compat-android.h
 endif
 
 # Guard against environment variables
@@ -862,6 +863,7 @@ SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
 
 LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
 
+ALL_CFLAGS += $(ANDROID_CFLAGS)
 ALL_CFLAGS += $(BASIC_CFLAGS)
 ALL_CFLAGS += $(ARCH_CFLAGS)
 ALL_LDFLAGS += $(BASIC_LDFLAGS)
@@ -1006,7 +1008,7 @@ $(LIB_FILE): $(LIB_OBJS)
 
 # libtraceevent.a
 $(LIBTRACEEVENT):
-	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libtraceevent.a
+	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) ANDROID_CFLAGS="$(ANDROID_CFLAGS)" O=$(OUTPUT) libtraceevent.a
 
 $(LIBTRACEEVENT)-clean:
 	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) clean
diff --git a/tools/perf/compat-android.h b/tools/perf/compat-android.h
new file mode 100644
index 00000000000..b76adae2773
--- /dev/null
+++ b/tools/perf/compat-android.h
@@ -0,0 +1,133 @@
+/* Android compatibility header
+ * Provides missing bits in Bionic on Android, ignored
+ * on regular Linux.
+ *
+ * Written by Bernhard.Rosenkranzer@linaro.org
+ *
+ * Released into the public domain. Do with this file
+ * whatever you want.
+ */
+#ifdef ANDROID
+/* Bionic has its own idea about ALIGN, and kills other definitions.
+ * Done outside the multiple-inclusion wrapper to make sure we
+ * can override Bionic's ALIGN by simply including compat-android.h
+ * again after including Bionic headers.
+ */
+#undef ALIGN
+#undef __ALIGN_MASK
+#define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
+
+#ifndef _COMPAT_ANDROID_H_
+#define _COMPAT_ANDROID_H_ 1
+/* Stuff Bionic assumes to be present, but that doesn't exist
+ * anymore after the uabi kernel header reorg
+ */
+#include <stdint.h>
+#include <stdbool.h>
+typedef unsigned short __kernel_nlink_t;
+typedef intptr_t phys_addr_t;
+#include <linux/types.h>
+typedef uint32_t u32;
+typedef uint64_t u64;
+#ifndef CONFIG_DRAM_BASEUL
+#ifdef CONFIG_DRAM_BASE
+#define CONFIG_DRAM_BASEUL UL(CONFIG_DRAM_BASE)
+#else
+#define CONFIG_DRAM_BASEUL 0
+#endif
+#endif
+#define __deprecated
+
+#include <linux/bitops.h>
+#undef BITS_PER_LONG /* Something seems to define this incorrectly */
+#define BITS_PER_LONG _BITSIZE
+
+#include <stdio.h>
+#include <signal.h>
+#include <asm/page.h> /* for PAGE_SIZE */
+#include <asm/termios.h> /* for winsize */
+
+#ifndef __WORDSIZE
+#define __WORDSIZE _BITSIZE
+#endif
+
+#ifndef roundup
+#define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
+#endif
+
+#ifndef __force
+#define __force
+#endif
+
+#ifndef __le32
+#define __le32 uint32_t
+#endif
+
+#ifndef FD_SET
+#define FD_SET(fd, fdsetp) (((fd_set *)(fdsetp))->fds_bits[(fd) >> 5] |= (1<<((fd) & 31)))
+#define FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof (*(fd_set *)(fdsetp))))
+#endif
+
+/* Assorted functions that are missing from Bionic */
+/* Android prior to 4.2 lacks psignal().
+ * What we're doing here is fairly evil - but necessary since
+ * Bionic doesn't export any version identifier or the likes.
+ * We do know that 4.2 is the version introducing psignal() and
+ * also KLOG_CONSOLE_OFF -- completely unrelated, but something
+ * we can check for...
+ */
+#include <sys/klog.h>
+#ifndef KLOG_CONSOLE_OFF
+static void psignal(int sig, const char *s)
+{
+	if(sig >= 0 && sig < NSIG) {
+		if(s)
+			fprintf(stderr, "%s: %s\n", s, sys_siglist[sig]);
+		else
+			fprintf(stderr, "%s\n", sys_siglist[sig]);
+	} else {
+		if(s)
+			fprintf(stderr, "%s: invalid signal\n", s);
+		else
+			fputs("invalid signal\n", stderr);
+	}
+}
+#endif
+
+static ssize_t getline(char **lineptr, size_t *n, FILE *stream)
+{
+	size_t ret = 0;
+
+	if (!lineptr || !n || !stream)
+		return -1;
+
+	if(!*lineptr) {
+		*n = 128;
+		*lineptr = (char*)malloc(*n);
+		if(!*lineptr)
+			return -1;
+	}
+
+	while(!feof(stream) && !ferror(stream)) {
+		int c;
+		if(ret == *n) {
+			*n += 128;
+			*lineptr = (char*)realloc(*lineptr, *n);
+			if(!*lineptr) {
+				*n = 0;
+				return -1;
+			}
+		}
+		c = fgetc(stream);
+		if(c == EOF)
+			break;
+		*lineptr[ret++] = c;
+		if(c == '\n')
+			break;
+	}
+	*lineptr[ret] = 0;
+	return ret;
+}
+#endif
+#endif
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index c2330918110..e7cefc8f7d1 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -256,11 +256,13 @@ void event_attr_init(struct perf_event_attr *attr);
  * *not* considered a power of two.
  */
 
+#ifndef _LINUX_LOG2_H /* is_power_of_2 is defined here too, and Bionic drags in that header */
 static inline __attribute__((const))
 bool is_power_of_2(unsigned long n)
 {
 	return (n != 0 && ((n & (n - 1)) == 0));
 }
+#endif
 
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);