ltrace: Get it to build on Android (Android.mk and missing functions)

- Add Android.mk.
- Work around missing stpcpy() and rindex().

Change-Id: Iffdd707b22a84b1a1c6a802574ded05b289cee0a

3 files changed, 194 insertions, 1 deletions

diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..021c026
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,189 @@
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+# -------------------------------------------------------------------------
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    bits.c \
+    breakpoints.c \
+    debug.c \
+    demangle.c \
+    dict.c \
+    execute_program.c \
+    expr.c \
+    fetch.c \
+    filter.c \
+    glob.c \
+    handle_event.c \
+    lens.c \
+    lens_default.c \
+    lens_enum.c \
+    libltrace.c \
+    library.c \
+    ltrace-elf.c \
+    main.c \
+    memstream.c \
+    options.c \
+    output.c \
+    param.c \
+    printf.c \
+    proc.c \
+    prototype.c \
+    read_config_file.c \
+    summary.c \
+    type.c \
+    value.c \
+    value_dict.c \
+    vect.c \
+    zero.c \
+    sysdeps/linux-gnu/breakpoint.c \
+    sysdeps/linux-gnu/events.c \
+    sysdeps/linux-gnu/hooks.c \
+    sysdeps/linux-gnu/proc.c \
+    sysdeps/linux-gnu/trace.c \
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/ \
+    $(LOCAL_PATH)/sysdeps/ \
+    $(LOCAL_PATH)/sysdeps/linux-gnu \
+    external/elfutils \
+    external/elfutils/0.153/libelf \
+    external/libunwind/include \
+
+arm_path := sysdeps/linux-gnu/arm
+LOCAL_C_INCLUDES_arm := $(LOCAL_PATH)/$(arm_path)
+LOCAL_SRC_FILES_arm := \
+    $(arm_path)/breakpoint.c \
+    $(arm_path)/fetch.c \
+    $(arm_path)/plt.c \
+    $(arm_path)/regs.c \
+    $(arm_path)/trace.c \
+
+arm64_path := sysdeps/linux-gnu/aarch64
+LOCAL_C_INCLUDES_arm64 := $(LOCAL_PATH)/$(arm64_path)
+LOCAL_SRC_FILES_arm64 := \
+    $(arm64_path)/fetch.c \
+    $(arm64_path)/plt.c \
+    $(arm64_path)/regs.c \
+    $(arm64_path)/trace.c \
+
+mips_path := sysdeps/linux-gnu/mips
+LOCAL_C_INCLUDES_mips := $(LOCAL_PATH)/$(mips_path)
+LOCAL_SRC_FILES_mips := \
+    $(mips_path)/plt.c \
+    $(mips_path)/regs.c \
+    $(mips_path)/trace.c \
+
+x86_path := sysdeps/linux-gnu/x86
+LOCAL_C_INCLUDES_x86 := $(LOCAL_PATH)/$(x86_path)
+LOCAL_SRC_FILES_x86 := \
+    $(x86_path)/fetch.c \
+    $(x86_path)/plt.c \
+    $(x86_path)/regs.c \
+    $(x86_path)/trace.c \
+
+LOCAL_CFLAGS := -D_GNU_SOURCE=1 -D_POSIX_SOURCE=1
+
+LOCAL_CFLAGS += \
+    -DELF_HASH_TAKES_CHARP=1 \
+    -DHAVE_ALARM=1 \
+    -DHAVE_ATEXIT=1 \
+    -DHAVE_DLFCN_H=1 \
+    -DHAVE_ELF_C_READ_MMAP=1 \
+    -DHAVE_ELF_H=1 \
+    -DHAVE_FCNTL_H=1 \
+    -DHAVE_FORK=1 \
+    -DHAVE_GELF_H=1 \
+    -DHAVE_GETOPT_LONG=1 \
+    -DHAVE_GETTIMEOFDAY=1 \
+    -DHAVE_INTTYPES_H=1 \
+    -DHAVE_LIBELF=1 \
+    -DHAVE_LIBSELINUX=1 \
+    -DHAVE_LIBSTDC__=1 \
+    -DHAVE_LIBUNWIND=1 \
+    -DHAVE_LIBUNWIND_PTRACE=1 \
+    -DHAVE_LIMITS_H=1 \
+    -DHAVE_MEMORY_H=1 \
+    -DHAVE_MEMSET=1 \
+    -DHAVE_OPEN_MEMSTREAM=1 \
+    -DHAVE_SELINUX_SELINUX_H=1 \
+    -DHAVE_STDDEF_H=1 \
+    -DHAVE_STDINT_H=1 \
+    -DHAVE_STDLIB_H=1 \
+    -DHAVE_STRCHR=1 \
+    -DHAVE_STRDUP=1 \
+    -DHAVE_STRERROR=1 \
+    -DHAVE_STRINGS_H=1 \
+    -DHAVE_STRING_H=1 \
+    -DHAVE_STRSIGNAL=1 \
+    -DHAVE_STRTOL=1 \
+    -DHAVE_STRTOUL=1 \
+    -DHAVE_SYS_IOCTL_H=1 \
+    -DHAVE_SYS_PARAM_H=1 \
+    -DHAVE_SYS_STAT_H=1 \
+    -DHAVE_SYS_TIME_H=1 \
+    -DHAVE_SYS_TYPES_H=1 \
+    -DHAVE_UNISTD_H=1 \
+    -DHAVE_UNWINDER=1 \
+    -DHAVE_VFORK=1 \
+    -DHAVE_WORKING_FORK=1 \
+    -DHAVE_WORKING_VFORK=1 \
+    -DLT_OBJDIR='".libs"' \
+    -DPACKAGE='"ltrace"' \
+    -DPACKAGE_BUGREPORT='"ltrace-devel@lists.alioth.debian.org"' \
+    -DPACKAGE_NAME='"ltrace"' \
+    -DPACKAGE_STRING='"ltrace 0.7.91"' \
+    -DPACKAGE_TARNAME='"ltrace"' \
+    -DPACKAGE_URL='"http://ltrace.alioth.debian.org/"' \
+    -DPACKAGE_VERSION='"0.7.91"' \
+    -DVERSION='"0.7.91"' \
+    -D_FILE_OFFSET_BITS=64 \
+    -D_LARGE_FILES=1 \
+    -DPKGDATADIR=NULL \
+    -DSYSCONFDIR='"/etc/"' \
+    -Drindex=strrchr \
+
+LOCAL_CFLAGS_32 += -DSIZEOF_LONG=4
+LOCAL_CFLAGS_64 += -DSIZEOF_LONG=8
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Wno-missing-field-initializers \
+    -Wno-unused-parameter \
+    -Wno-sign-compare \
+
+LOCAL_STATIC_LIBRARIES := libelf
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libgccdemangle \
+    libselinux \
+    libunwind \
+    libunwind-ptrace \
+
+LOCAL_MODULE := ltrace
+
+LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
+
+LOCAL_MODULE_TAGS := debug
+
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+
+include $(BUILD_EXECUTABLE)
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..ed6da18
--- /dev/null
+++ b/config.h
@@ -0,0 +1 @@
+/* Integrated in Android.mk. Do NOT delete as it is still referenced. */
diff --git a/sysdeps/linux-gnu/hooks.c b/sysdeps/linux-gnu/hooks.c
index 3fb3614..e3bb8c1 100644
--- a/sysdeps/linux-gnu/hooks.c
+++ b/sysdeps/linux-gnu/hooks.c
@@ -40,7 +40,10 @@ append(const char *str1, const char *str2)
 	char *ret = malloc(strlen(str1) + strlen(str2) + 2);
 	if (ret == NULL)
 		return ret;
-	strcpy(stpcpy(ret, str1), str2);
+	/* BEGIN android-changed */
+	strcpy(ret, str1);
+	strcat(ret, str2);
+	/* END android-changed */
 	return ret;
 }