imx53: Make perf compile on Androidlt-3.2-imx5+android

Change-Id: Ifcfa381c423fbe6b6cd50aea1c0873ad28128e0a
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

9 files changed, 131 insertions, 2 deletions

diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 4cb27697719..e962c88c4cd 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1672,4 +1672,5 @@ int __init mx53_clocks_init_dt(void)
 	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
 	return mx53_clocks_init(ckil, osc, ckih1, ckih2);
 }
+EXPORT_SYMBOL_GPL(mx53_clock_init_dt)
 #endif
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index b98e3075646..9e3de86db94 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -103,7 +103,7 @@ ifndef PERF_DEBUG
 endif
 
 CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
-EXTLIBS = -lpthread -lrt -lelf -lm
+EXTLIBS = -lpthread -lelf -lm
 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 ALL_LDFLAGS = $(LDFLAGS)
 STRIP ?= strip
@@ -429,12 +429,23 @@ FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
 	FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
 	ifneq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y)
-		msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
+		ifeq ($(call try-cc,$(SOURCE_BIONIC),$(FLAGS_GLIBC)),y)
+			# Found Bionic instead of glibc...
+			# That works too, but needs a bit of special treatment
+			BASIC_CFLAGS += -DANDROID -include compat-android.h
+			ANDROID := 1
+		else
+			msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
+		endif
 	else
 		msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
 	endif
 endif
 
+ifneq ($(ANDROID),1)
+EXTLIBS += -lrt
+endif
+
 ifneq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y)
 	BASIC_CFLAGS += -DLIBELF_NO_MMAP
 endif
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 831d1baeac3..e7ee7c8e7c0 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -466,10 +466,17 @@ static int test__basic_mmap(void)
 		.watermark	= 0,
 	};
 	cpu_set_t cpu_set;
+#ifndef ANDROID
 	const char *syscall_names[] = { "getsid", "getppid", "getpgrp",
 					"getpgid", };
 	pid_t (*syscalls[])(void) = { (void *)getsid, getppid, getpgrp,
 				      (void*)getpgid };
+#else
+	// No getsid() on Android
+	const char *syscall_names[] = { "getppid", "getpgrp",
+					"getpgid", };
+	pid_t (*syscalls[])(void) = { getppid, getpgrp, (void*)getpgid };
+#endif
 #define nsyscalls ARRAY_SIZE(syscall_names)
 	int ids[nsyscalls];
 	unsigned int nr_events[nsyscalls],
diff --git a/tools/perf/compat-android.h b/tools/perf/compat-android.h
new file mode 100644
index 00000000000..7681f353cc6
--- /dev/null
+++ b/tools/perf/compat-android.h
@@ -0,0 +1,90 @@
+/* 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
+#include <stdio.h>
+#include <signal.h>
+#include <asm/page.h> // for PAGE_SIZE
+#include <asm/termios.h> // for winsize
+
+#ifndef __WORDSIZE
+#include <stdint.h>
+#define __WORDSIZE _BITSIZE
+#endif
+
+#ifndef roundup
+#define roundup(x, y)   ((((x)+((y)-1))/(y))*(y))
+#endif
+
+#ifndef __force
+#define __force
+#endif
+
+// Assorted functions that are missing from Bionic
+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);
+	}
+}
+
+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/config/feature-tests.mak b/tools/perf/config/feature-tests.mak
index 6170fd2531b..7362a75782e 100644
--- a/tools/perf/config/feature-tests.mak
+++ b/tools/perf/config/feature-tests.mak
@@ -43,6 +43,19 @@ int main(void)
 }
 endef
 
+define SOURCE_BIONIC
+#include <android/api-level.h>
+
+int main(void)
+{
+#ifndef __ANDROID_API__
+	error out
+#else
+	return 0;
+#endif
+}
+endef
+
 define SOURCE_ELF_MMAP
 #include <libelf.h>
 int main(void)
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index d9072523d34..15fadc05960 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -6,6 +6,7 @@
 #include "symbol.h"
 #include <linux/list.h>
 #include <linux/rbtree.h>
+#include <pthread.h>
 
 struct objdump_line {
 	struct list_head node;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 437f8ca679a..d8cf362b16a 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -7,6 +7,7 @@
 #include "strlist.h"
 #include "thread.h"
 #include "thread_map.h"
+#include "../compat-android.h"
 
 static const char *perf_event__names[] = {
 	[0]					= "TOTAL",
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 357a85b8524..e617b88c08d 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -5,6 +5,7 @@
 
 #include "../perf.h"
 #include "map.h"
+#include "../compat-android.h"
 
 /*
  * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0128906bac8..72f54e5f2d2 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -71,15 +71,19 @@
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <sys/select.h>
+#ifndef ANDROID
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <arpa/inet.h>
+#endif
 #include <netdb.h>
 #include <pwd.h>
 #include <inttypes.h>
 #include "../../../include/linux/magic.h"
 #include "types.h"
+#ifndef ANDROID
 #include <sys/ttydefaults.h>
+#endif
 
 extern const char *graph_line;
 extern const char *graph_dotted_line;