From b9eecc342f767b50e1476fbc1aad7d88dd4ce5eb Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 24 Oct 2008 17:48:54 -0400
Subject: [PATCH] Blackfin: fix linker scripts to work with --gc-sections
Make sure all .text sections get pulled in and the entry point is properly
referenced so they don't get discarded when linking with --gc-sections.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
board/bf533-ezkit/u-boot.lds.S | 23 +++++++++++++----------
board/bf533-stamp/u-boot.lds.S | 19 +++++++++++--------
board/bf537-stamp/u-boot.lds.S | 19 +++++++++++--------
board/bf561-ezkit/u-boot.lds.S | 23 +++++++++++++----------
4 files changed, 48 insertions(+), 36 deletions(-)
diff --git a/board/bf533-ezkit/u-boot.lds.S b/board/bf533-ezkit/u-boot.lds.S
index 70764acf1a..da16726d86 100644
--- a/board/bf533-ezkit/u-boot.lds.S
+++ b/board/bf533-ezkit/u-boot.lds.S
@@ -28,6 +28,8 @@
#include <config.h>
#include <asm/blackfin.h>
#undef ALIGN
+#undef ENTRY
+#undef bfin
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
@@ -50,11 +52,12 @@ MEMORY
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
+ENTRY(_start)
SECTIONS
{
.text :
{
- cpu/blackfin/start.o (.text)
+ cpu/blackfin/start.o (.text .text.*)
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
@@ -63,20 +66,20 @@ SECTIONS
* it linked after the configuration sector.
*/
- cpu/blackfin/traps.o (.text)
- cpu/blackfin/interrupt.o (.text)
- cpu/blackfin/serial.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
- lib_generic/zlib.o (.text)
- board/bf533-ezkit/bf533-ezkit.o (.text)
+ cpu/blackfin/traps.o (.text .text.*)
+ cpu/blackfin/interrupt.o (.text .text.*)
+ cpu/blackfin/serial.o (.text .text.*)
+ common/dlmalloc.o (.text .text.*)
+ lib_generic/crc32.o (.text .text.*)
+ lib_generic/zlib.o (.text .text.*)
+ board/bf533-ezkit/bf533-ezkit.o (.text .text.*)
. = DEFINED(env_offset) ? env_offset : .;
- common/env_embedded.o (.text)
+ common/env_embedded.o (.text .text.*)
#endif
__initcode_start = .;
- cpu/blackfin/initcode.o (.text)
+ cpu/blackfin/initcode.o (.text .text.*)
__initcode_end = .;
*(.text .text.*)
diff --git a/board/bf533-stamp/u-boot.lds.S b/board/bf533-stamp/u-boot.lds.S
index 187309f3fc..76daa75c0d 100644
--- a/board/bf533-stamp/u-boot.lds.S
+++ b/board/bf533-stamp/u-boot.lds.S
@@ -28,6 +28,8 @@
#include <config.h>
#include <asm/blackfin.h>
#undef ALIGN
+#undef ENTRY
+#undef bfin
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
@@ -50,11 +52,12 @@ MEMORY
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
+ENTRY(_start)
SECTIONS
{
.text :
{
- cpu/blackfin/start.o (.text)
+ cpu/blackfin/start.o (.text .text.*)
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
@@ -63,18 +66,18 @@ SECTIONS
* it linked after the configuration sector.
*/
- cpu/blackfin/traps.o (.text)
- cpu/blackfin/interrupt.o (.text)
- cpu/blackfin/serial.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
+ cpu/blackfin/traps.o (.text .text.*)
+ cpu/blackfin/interrupt.o (.text .text.*)
+ cpu/blackfin/serial.o (.text .text.*)
+ common/dlmalloc.o (.text .text.*)
+ lib_generic/crc32.o (.text .text.*)
. = DEFINED(env_offset) ? env_offset : .;
- common/env_embedded.o (.text)
+ common/env_embedded.o (.text .text.*)
#endif
__initcode_start = .;
- cpu/blackfin/initcode.o (.text)
+ cpu/blackfin/initcode.o (.text .text.*)
__initcode_end = .;
*(.text .text.*)
diff --git a/board/bf537-stamp/u-boot.lds.S b/board/bf537-stamp/u-boot.lds.S
index 187309f3fc..76daa75c0d 100644
--- a/board/bf537-stamp/u-boot.lds.S
+++ b/board/bf537-stamp/u-boot.lds.S
@@ -28,6 +28,8 @@
#include <config.h>
#include <asm/blackfin.h>
#undef ALIGN
+#undef ENTRY
+#undef bfin
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
@@ -50,11 +52,12 @@ MEMORY
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
+ENTRY(_start)
SECTIONS
{
.text :
{
- cpu/blackfin/start.o (.text)
+ cpu/blackfin/start.o (.text .text.*)
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
@@ -63,18 +66,18 @@ SECTIONS
* it linked after the configuration sector.
*/
- cpu/blackfin/traps.o (.text)
- cpu/blackfin/interrupt.o (.text)
- cpu/blackfin/serial.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
+ cpu/blackfin/traps.o (.text .text.*)
+ cpu/blackfin/interrupt.o (.text .text.*)
+ cpu/blackfin/serial.o (.text .text.*)
+ common/dlmalloc.o (.text .text.*)
+ lib_generic/crc32.o (.text .text.*)
. = DEFINED(env_offset) ? env_offset : .;
- common/env_embedded.o (.text)
+ common/env_embedded.o (.text .text.*)
#endif
__initcode_start = .;
- cpu/blackfin/initcode.o (.text)
+ cpu/blackfin/initcode.o (.text .text.*)
__initcode_end = .;
*(.text .text.*)
diff --git a/board/bf561-ezkit/u-boot.lds.S b/board/bf561-ezkit/u-boot.lds.S
index 99d6be634f..3d0453e2f2 100644
--- a/board/bf561-ezkit/u-boot.lds.S
+++ b/board/bf561-ezkit/u-boot.lds.S
@@ -28,6 +28,8 @@
#include <config.h>
#include <asm/blackfin.h>
#undef ALIGN
+#undef ENTRY
+#undef bfin
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
@@ -50,11 +52,12 @@ MEMORY
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
+ENTRY(_start)
SECTIONS
{
.text :
{
- cpu/blackfin/start.o (.text)
+ cpu/blackfin/start.o (.text .text.*)
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
@@ -63,20 +66,20 @@ SECTIONS
* it linked after the configuration sector.
*/
- cpu/blackfin/traps.o (.text)
- cpu/blackfin/interrupt.o (.text)
- cpu/blackfin/serial.o (.text)
- common/dlmalloc.o (.text)
- lib_generic/crc32.o (.text)
- lib_generic/zlib.o (.text)
- board/bf561-ezkit/bf561-ezkit.o (.text)
+ cpu/blackfin/traps.o (.text .text.*)
+ cpu/blackfin/interrupt.o (.text .text.*)
+ cpu/blackfin/serial.o (.text .text.*)
+ common/dlmalloc.o (.text .text.*)
+ lib_generic/crc32.o (.text .text.*)
+ lib_generic/zlib.o (.text .text.*)
+ board/bf561-ezkit/bf561-ezkit.o (.text .text.*)
. = DEFINED(env_offset) ? env_offset : .;
- common/env_embedded.o (.text)
+ common/env_embedded.o (.text .text.*)
#endif
__initcode_start = .;
- cpu/blackfin/initcode.o (.text)
+ cpu/blackfin/initcode.o (.text .text.*)
__initcode_end = .;
*(.text .text.*)
--
2.39.5