From b9eecc342f767b50e1476fbc1aad7d88dd4ce5eb Mon Sep 17 00:00:00 2001 From: Mike Frysinger 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 --- 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 70764ac..da16726 100644 --- a/board/bf533-ezkit/u-boot.lds.S +++ b/board/bf533-ezkit/u-boot.lds.S @@ -28,6 +28,8 @@ #include #include #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 187309f..76daa75 100644 --- a/board/bf533-stamp/u-boot.lds.S +++ b/board/bf533-stamp/u-boot.lds.S @@ -28,6 +28,8 @@ #include #include #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 187309f..76daa75 100644 --- a/board/bf537-stamp/u-boot.lds.S +++ b/board/bf537-stamp/u-boot.lds.S @@ -28,6 +28,8 @@ #include #include #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 99d6be6..3d0453e 100644 --- a/board/bf561-ezkit/u-boot.lds.S +++ b/board/bf561-ezkit/u-boot.lds.S @@ -28,6 +28,8 @@ #include #include #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.*) -- 2.7.4