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-rw-r--r--firmware/include/gcc_extensions.h9
-rw-r--r--firmware/target/arm/imx31/dvfs_dptc-imx31.c3
-rw-r--r--firmware/target/arm/s3c2440/system-s3c2440.c3
-rw-r--r--firmware/target/arm/thread-arm.c4
-rw-r--r--firmware/target/arm/thread-pp.c4
-rw-r--r--firmware/target/coldfire/system-coldfire.c2
-rw-r--r--firmware/target/coldfire/thread-coldfire.c4
-rw-r--r--firmware/target/hosted/thread-arm.c4
-rw-r--r--firmware/target/mips/thread-mips32.c4
-rw-r--r--firmware/target/sh/thread-sh.c4
-rw-r--r--firmware/thread.c4
11 files changed, 35 insertions, 10 deletions
diff --git a/firmware/include/gcc_extensions.h b/firmware/include/gcc_extensions.h
index 7109edaaf6..2735d6e7b6 100644
--- a/firmware/include/gcc_extensions.h
+++ b/firmware/include/gcc_extensions.h
@@ -57,4 +57,13 @@
#define FORCE_INLINE inline
#endif
+
+/* Version information from http://ohse.de/uwe/articles/gcc-attributes.html */
+#if defined(__GNUC__) && (__GNUC__ >= 4 || \
+ (__GNUC__ >= 3 && __GNUC_MINOR__ >= 1))
+#define USED_ATTR __attribute__((used))
+#else
+#define USED_ATTR
+#endif
+
#endif /* _GCC_EXTENSIONS_H_ */
diff --git a/firmware/target/arm/imx31/dvfs_dptc-imx31.c b/firmware/target/arm/imx31/dvfs_dptc-imx31.c
index e8dee17416..02955a5aa4 100644
--- a/firmware/target/arm/imx31/dvfs_dptc-imx31.c
+++ b/firmware/target/arm/imx31/dvfs_dptc-imx31.c
@@ -29,6 +29,7 @@
#include "avic-imx31.h"
#include "dvfs_dptc-imx31.h"
#include "dvfs_dptc_tables-target.h"
+#include "gcc_extensions.h"
/* Most of the code in here is based upon the Linux BSP provided by Freescale
* Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved. */
@@ -181,7 +182,7 @@ static void set_current_dvfs_level(unsigned int level)
}
/* DVFS Interrupt handler */
-static void __attribute__((used)) dvfs_int(void)
+static void USED_ATTR dvfs_int(void)
{
unsigned long pmcr0 = CCM_PMCR0;
unsigned long fsvai = pmcr0 & CCM_PMCR0_FSVAI;
diff --git a/firmware/target/arm/s3c2440/system-s3c2440.c b/firmware/target/arm/s3c2440/system-s3c2440.c
index 577b46966c..1e5613f7b6 100644
--- a/firmware/target/arm/s3c2440/system-s3c2440.c
+++ b/firmware/target/arm/s3c2440/system-s3c2440.c
@@ -23,6 +23,7 @@
#include "panic.h"
#include "mmu-arm.h"
#include "cpu.h"
+#include "gcc_extensions.h"
#define default_interrupt(name) \
extern __attribute__((weak,alias("UIRQ"))) void name (void)
@@ -60,7 +61,7 @@ default_interrupt(SPI1);
default_interrupt(RTC);
default_interrupt(ADC);
-static void (* const irqvector[32])(void) __attribute__((__used__)) =
+static void (* const irqvector[32])(void) USED_ATTR =
{
EINT0, EINT1, EINT2, EINT3,
EINT4_7, EINT8_23, CAM, nBATT_FLT, TICK, WDT_AC97,
diff --git a/firmware/target/arm/thread-arm.c b/firmware/target/arm/thread-arm.c
index 60bbefa6b6..302b1592d8 100644
--- a/firmware/target/arm/thread-arm.c
+++ b/firmware/target/arm/thread-arm.c
@@ -21,11 +21,13 @@
*
****************************************************************************/
+#include "gcc_extensions.h"
+
/*---------------------------------------------------------------------------
* Start the thread running and terminate it if it returns
*---------------------------------------------------------------------------
*/
-static void __attribute__((naked,used)) start_thread(void)
+static void __attribute__((naked)) USED_ATTR start_thread(void)
{
/* r0 = context */
asm volatile (
diff --git a/firmware/target/arm/thread-pp.c b/firmware/target/arm/thread-pp.c
index 3eb7238a25..5e834bc6ad 100644
--- a/firmware/target/arm/thread-pp.c
+++ b/firmware/target/arm/thread-pp.c
@@ -21,6 +21,8 @@
*
****************************************************************************/
+#include "gcc_extensions.h"
+
#if defined(MAX_PHYS_SECTOR_SIZE) && MEMORYSIZE == 64
/* Support a special workaround object for large-sector disks */
#define IF_NO_SKIP_YIELD(...) __VA_ARGS__
@@ -546,7 +548,7 @@ void core_wake(unsigned int othercore)
#endif /* CPU_PPxxxx */
/* Keep constant pool in range of inline ASM */
-static void __attribute__((naked, used)) dump_ltorg(void)
+static void __attribute__((naked)) USED_ATTR dump_ltorg(void)
{
asm volatile (".ltorg");
}
diff --git a/firmware/target/coldfire/system-coldfire.c b/firmware/target/coldfire/system-coldfire.c
index 1fbd00825a..bc8c78b860 100644
--- a/firmware/target/coldfire/system-coldfire.c
+++ b/firmware/target/coldfire/system-coldfire.c
@@ -171,7 +171,7 @@ default_interrupt (ADC); /* A/D converter */
#endif
static void system_display_exception_info(unsigned long format,
- unsigned long pc) __attribute__ ((noreturn, used));
+ unsigned long pc) __attribute__ ((noreturn)) USED_ATTR;
static void system_display_exception_info(unsigned long format,
unsigned long pc)
{
diff --git a/firmware/target/coldfire/thread-coldfire.c b/firmware/target/coldfire/thread-coldfire.c
index c94580a4e7..d328e4af9a 100644
--- a/firmware/target/coldfire/thread-coldfire.c
+++ b/firmware/target/coldfire/thread-coldfire.c
@@ -21,12 +21,14 @@
*
****************************************************************************/
+#include "gcc_extensions.h"
+
/*---------------------------------------------------------------------------
* Start the thread running and terminate it if it returns
*---------------------------------------------------------------------------
*/
void start_thread(void); /* Provide C access to ASM label */
-static void __attribute__((used)) __start_thread(void)
+static void USED_ATTR __start_thread(void)
{
/* a0=macsr, a1=context */
asm volatile (
diff --git a/firmware/target/hosted/thread-arm.c b/firmware/target/hosted/thread-arm.c
index d2fa7d1e5d..f8e58c031c 100644
--- a/firmware/target/hosted/thread-arm.c
+++ b/firmware/target/hosted/thread-arm.c
@@ -23,11 +23,13 @@
****************************************************************************/
#include <system.h>
+#include "gcc_extensions.h"
+
/*---------------------------------------------------------------------------
* Start the thread running and terminate it if it returns
*---------------------------------------------------------------------------
*/
-static void __attribute__((naked,used)) start_thread(void)
+static void __attribute__((naked)) USED_ATTR start_thread(void)
{
/* r0 = context */
asm volatile (
diff --git a/firmware/target/mips/thread-mips32.c b/firmware/target/mips/thread-mips32.c
index e2fccb8022..2b34d3ce3d 100644
--- a/firmware/target/mips/thread-mips32.c
+++ b/firmware/target/mips/thread-mips32.c
@@ -21,13 +21,15 @@
*
****************************************************************************/
+#include "gcc_extensions.h"
+
/*---------------------------------------------------------------------------
* Start the thread running and terminate it if it returns
*---------------------------------------------------------------------------
*/
void start_thread(void); /* Provide C access to ASM label */
-static void __attribute__((used)) _start_thread(void)
+static void USED_ATTR _start_thread(void)
{
/* t1 = context */
asm volatile (
diff --git a/firmware/target/sh/thread-sh.c b/firmware/target/sh/thread-sh.c
index 25e0aadf96..36c20686b0 100644
--- a/firmware/target/sh/thread-sh.c
+++ b/firmware/target/sh/thread-sh.c
@@ -21,12 +21,14 @@
*
****************************************************************************/
+#include "gcc_extensions.h"
+
/*---------------------------------------------------------------------------
* Start the thread running and terminate it if it returns
*---------------------------------------------------------------------------
*/
void start_thread(void); /* Provide C access to ASM label */
-static void __attribute__((used)) __start_thread(void)
+static void USED_ATTR __start_thread(void)
{
/* r8 = context */
asm volatile (
diff --git a/firmware/thread.c b/firmware/thread.c
index a1886cbc07..7b91f8fcbd 100644
--- a/firmware/thread.c
+++ b/firmware/thread.c
@@ -30,6 +30,8 @@
#ifdef RB_PROFILE
#include <profile.h>
#endif
+#include "gcc_extensions.h"
+
/****************************************************************************
* ATTENTION!! *
* See notes below on implementing processor-specific portions! *
@@ -163,7 +165,7 @@ static inline void load_context(const void* addr)
#if NUM_CORES > 1
static void thread_final_exit_do(struct thread_entry *current)
- __attribute__((noinline, noreturn, used));
+ __attribute__((noinline, noreturn)) USED_ATTR;
#else
static inline void thread_final_exit(struct thread_entry *current)
__attribute__((always_inline, noreturn));
generated by cgit (git 2.34.1) at 2024-04-16 12:12:09 +0000