lib: Update sam4s code so that it works with gcc's -flto feature
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -23,7 +23,8 @@ run. See cmsis-sam4e8e.patch for the modifications.
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The sam4s directory contains code from the
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The sam4s directory contains code from the
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Atmel.SAM4S_DFP.1.0.56.atpack zip file found at:
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Atmel.SAM4S_DFP.1.0.56.atpack zip file found at:
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http://packs.download.atmel.com/
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http://packs.download.atmel.com/
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version 1.0.56 (extracted on 20181220).
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version 1.0.56 (extracted on 20181220). It has been modified to
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compile with gcc's LTO feature. See sam4s.patch for the modifications.
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The samd21 directory contains code from the
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The samd21 directory contains code from the
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Atmel.SAMD21_DFP.1.3.304.atpack zip file found at:
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Atmel.SAMD21_DFP.1.3.304.atpack zip file found at:
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@ -111,7 +111,7 @@ void ACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Exception Table */
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/* Exception Table */
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__attribute__ ((section(".vectors")))
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__attribute__ ((section(".vectors"))) __attribute__((externally_visible))
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const DeviceVectors exception_table = {
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const DeviceVectors exception_table = {
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/* Configure Initial Stack Pointer, using linker-generated symbols */
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/* Configure Initial Stack Pointer, using linker-generated symbols */
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@ -0,0 +1,13 @@
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diff --git a/lib/sam4s/gcc/gcc/startup_sam4s.c b/lib/sam4s/gcc/gcc/startup_sam4s.c
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index 3792319e..ae19328a 100644
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--- a/lib/sam4s/gcc/gcc/startup_sam4s.c
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+++ b/lib/sam4s/gcc/gcc/startup_sam4s.c
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@@ -111,7 +111,7 @@ void ACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Exception Table */
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-__attribute__ ((section(".vectors")))
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+__attribute__ ((section(".vectors"))) __attribute__((externally_visible))
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const DeviceVectors exception_table = {
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/* Configure Initial Stack Pointer, using linker-generated symbols */
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