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authorStefan Reinauer <reinauer@chromium.org>2013-04-08 16:55:47 -0700
committerRonald G. Minnich <rminnich@gmail.com>2013-04-18 02:50:28 +0200
commit6ceed0929d1e11c9d8807427750bb6e4f14806fd (patch)
tree3ff6a06a608178d8e46aadd0d51e1a9806db25b9
parentba7ed4b6a1965692057710d61eacde14b2b58424 (diff)
libpayload: Don't sneak in compiler includes
The way we got to include the compiler includes was kind of whacky. Instead of mixing in potentially problematic headers, make libpayload self-contained by adding some missing header files. Also clean up conflicting definitions of size_t throughout the tree. Signed-off-by: Stefan Reinauer <reinauer@google.com> Change-Id: I0ad1194de1a00b7133c5477c00eb167d63a2ee85 Reviewed-on: https://gerrit.chromium.org/gerrit/47608 Reviewed-by: Ronald G. Minnich <rminnich@chromium.org> Commit-Queue: Stefan Reinauer <reinauer@google.com> Tested-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/3058 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
-rw-r--r--payloads/libpayload/Makefile.inc4
-rw-r--r--payloads/libpayload/include/armv7/arch/types.h3
-rw-r--r--payloads/libpayload/include/stdarg.h13
-rw-r--r--payloads/libpayload/include/stddef.h11
-rw-r--r--payloads/libpayload/include/unistd.h2
-rw-r--r--payloads/libpayload/include/x86/arch/types.h3
6 files changed, 25 insertions, 11 deletions
diff --git a/payloads/libpayload/Makefile.inc b/payloads/libpayload/Makefile.inc
index 9e6dc75d1e..7f8889e8da 100644
--- a/payloads/libpayload/Makefile.inc
+++ b/payloads/libpayload/Makefile.inc
@@ -53,9 +53,7 @@ subdirs-$(CONFIG_CURSES) += curses
subdirs-$(CONFIG_CBFS) += libcbfs
subdirs-$(CONFIG_LZMA) += liblzma
-CC_INCLUDE = $(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
-
-INCLUDES := -Iinclude -Iinclude/$(ARCHDIR-y) -I$(obj) -I$(CC_INCLUDE)
+INCLUDES := -Iinclude -Iinclude/$(ARCHDIR-y) -I$(obj)
CFLAGS = $(EXTRA_CFLAGS) $(INCLUDES) -Os -pipe -nostdinc
CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
diff --git a/payloads/libpayload/include/armv7/arch/types.h b/payloads/libpayload/include/armv7/arch/types.h
index bb4025714f..1bd815bb44 100644
--- a/payloads/libpayload/include/armv7/arch/types.h
+++ b/payloads/libpayload/include/armv7/arch/types.h
@@ -53,9 +53,6 @@ typedef signed long long s64;
typedef long time_t;
typedef long suseconds_t;
-typedef unsigned long size_t;
-typedef long ssize_t;
-
#ifndef NULL
#define NULL ((void *)0)
#endif
diff --git a/payloads/libpayload/include/stdarg.h b/payloads/libpayload/include/stdarg.h
index 077645f227..1d7ac051f4 100644
--- a/payloads/libpayload/include/stdarg.h
+++ b/payloads/libpayload/include/stdarg.h
@@ -31,7 +31,20 @@
#define _LIBPAYLOAD_STDARG_H
#include <stddef.h>
+
+/* With GCC we use -nostdinc -ffreestanding to keep out system includes.
+ * Unfortunately this also gets us rid of the _compiler_ includes, like
+ * stdarg.h. To work around the issue, we define varargs directly here.
+ * On LLVM we can still just include stdarg.h.
+ */
+#ifdef __GNUC__
+#define va_start(v,l) __builtin_va_start(v,l)
+#define va_end(v) __builtin_va_end(v)
+#define va_arg(v,l) __builtin_va_arg(v,l)
+typedef __builtin_va_list va_list;
+#else
#include_next <stdarg.h>
+#endif
/**
* @defgroup vprintf Varargs print functions
diff --git a/payloads/libpayload/include/stddef.h b/payloads/libpayload/include/stddef.h
new file mode 100644
index 0000000000..91ae78237a
--- /dev/null
+++ b/payloads/libpayload/include/stddef.h
@@ -0,0 +1,11 @@
+
+#include <arch/types.h>
+
+#ifndef __SIZE_TYPE__
+#define __SIZE_TYPE__ unsigned long
+#endif
+typedef __SIZE_TYPE__ size_t;
+typedef long ssize_t;
+
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
+
diff --git a/payloads/libpayload/include/unistd.h b/payloads/libpayload/include/unistd.h
index 1e39aeb058..6b4dcf47e2 100644
--- a/payloads/libpayload/include/unistd.h
+++ b/payloads/libpayload/include/unistd.h
@@ -32,8 +32,6 @@
#include <stddef.h>
-typedef ptrdiff_t ssize_t;
-
int getpagesize(void);
#endif
diff --git a/payloads/libpayload/include/x86/arch/types.h b/payloads/libpayload/include/x86/arch/types.h
index bb4025714f..1bd815bb44 100644
--- a/payloads/libpayload/include/x86/arch/types.h
+++ b/payloads/libpayload/include/x86/arch/types.h
@@ -53,9 +53,6 @@ typedef signed long long s64;
typedef long time_t;
typedef long suseconds_t;
-typedef unsigned long size_t;
-typedef long ssize_t;
-
#ifndef NULL
#define NULL ((void *)0)
#endif