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[46.103.107.123]) by smtp.gmail.com with ESMTPSA id v18-20020adfe4d2000000b0033ec9936909sm2398658wrm.39.2024.03.14.23.44.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Mar 2024 23:44:29 -0700 (PDT) From: Ilias Apalodimas To: u-boot@lists.denx.de, trini@konsulko.com, cfsworks@gmail.com Cc: caleb.connolly@linaro.org, sumit.garg@linaro.org, richard.henderson@linaro.org, Ilias Apalodimas , Sam Edwards , Ryan Chen , Chia-Wei Wang , Aspeed BMC SW team , Joel Stanley , Simon Glass , Philipp Tomsich , Kever Yang , Michal Simek , Yegor Yefremov , Heinrich Schuchardt , Shiji Yang , Bin Meng Subject: [PATCH v4 6/7] arm: move image_copy_start/end to linker symbols Date: Fri, 15 Mar 2024 08:43:50 +0200 Message-Id: <20240315064354.2215266-7-ilias.apalodimas@linaro.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20240315064354.2215266-1-ilias.apalodimas@linaro.org> References: <20240315064354.2215266-1-ilias.apalodimas@linaro.org> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean image_copy_start/end are defined as c variables in order to force the compiler emit relative references. However, defining those within a section definition will do the same thing since [0]. So let's remove the special sections from the linker scripts, the variable definitions from sections.c and define them as a symbols within a section. [0] binutils commit 6b3b0ab89663 ("Make linker assigned symbol dynamic only for shared object") Suggested-by: Sam Edwards Reviewed-by: Richard Henderson Tested-by: Sam Edwards # Binary output identical Signed-off-by: Ilias Apalodimas --- arch/arm/cpu/armv8/u-boot-spl.lds | 8 +++----- arch/arm/cpu/armv8/u-boot.lds | 8 ++------ arch/arm/cpu/u-boot-spl.lds | 2 +- arch/arm/cpu/u-boot.lds | 8 ++------ arch/arm/lib/sections.c | 2 -- arch/arm/mach-aspeed/ast2600/u-boot-spl.lds | 2 +- arch/arm/mach-rockchip/u-boot-tpl-v8.lds | 8 +++----- arch/arm/mach-zynq/u-boot-spl.lds | 2 +- arch/arm/mach-zynq/u-boot.lds | 7 ++----- 9 files changed, 15 insertions(+), 32 deletions(-) diff --git a/arch/arm/cpu/armv8/u-boot-spl.lds b/arch/arm/cpu/armv8/u-boot-spl.lds index 8998c4985eac..ef8af67e11c3 100644 --- a/arch/arm/cpu/armv8/u-boot-spl.lds +++ b/arch/arm/cpu/armv8/u-boot-spl.lds @@ -21,9 +21,9 @@ OUTPUT_ARCH(aarch64) ENTRY(_start) SECTIONS { + __image_copy_start = ADDR(.text); .text : { . = ALIGN(8); - __image_copy_start = .; CPUDIR/start.o (.text*) *(.text*) } >.sram @@ -51,10 +51,8 @@ SECTIONS KEEP(*(SORT(__u_boot_list*))); } >.sram - .image_copy_end : { - . = ALIGN(8); - *(.__image_copy_end) - } >.sram + . = ALIGN(8); + __image_copy_end = .; .end : { . = ALIGN(8); diff --git a/arch/arm/cpu/armv8/u-boot.lds b/arch/arm/cpu/armv8/u-boot.lds index 5ba54dcedf24..147a6e8028d5 100644 --- a/arch/arm/cpu/armv8/u-boot.lds +++ b/arch/arm/cpu/armv8/u-boot.lds @@ -21,9 +21,9 @@ SECTIONS . = 0x00000000; . = ALIGN(8); + __image_copy_start = ADDR(.text); .text : { - *(.__image_copy_start) CPUDIR/start.o (.text*) } @@ -123,11 +123,7 @@ SECTIONS } . = ALIGN(8); - - .image_copy_end : - { - *(.__image_copy_end) - } + __image_copy_end = .; .rela.dyn ALIGN(8) : { __rel_dyn_start = .; diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds index fb2189d50dea..9ed62395a9c5 100644 --- a/arch/arm/cpu/u-boot-spl.lds +++ b/arch/arm/cpu/u-boot-spl.lds @@ -14,9 +14,9 @@ SECTIONS . = 0x00000000; . = ALIGN(4); + __image_copy_start = ADDR(.text); .text : { - __image_copy_start = .; *(.vectors) CPUDIR/start.o (.text*) *(.text*) diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds index 6813d8aeb838..798858e3ed6e 100644 --- a/arch/arm/cpu/u-boot.lds +++ b/arch/arm/cpu/u-boot.lds @@ -35,9 +35,9 @@ SECTIONS . = 0x00000000; . = ALIGN(4); + __image_copy_start = ADDR(.text); .text : { - *(.__image_copy_start) *(.vectors) CPUDIR/start.o (.text*) } @@ -154,11 +154,7 @@ SECTIONS } . = ALIGN(4); - - .image_copy_end : - { - *(.__image_copy_end) - } + __image_copy_end = .; .rel.dyn ALIGN(4) : { __rel_dyn_start = .; diff --git a/arch/arm/lib/sections.c b/arch/arm/lib/sections.c index a4d4202e99f5..db5463b2bbbc 100644 --- a/arch/arm/lib/sections.c +++ b/arch/arm/lib/sections.c @@ -19,8 +19,6 @@ * aliasing warnings. */ -char __image_copy_start[0] __section(".__image_copy_start"); -char __image_copy_end[0] __section(".__image_copy_end"); char __secure_start[0] __section(".__secure_start"); char __secure_end[0] __section(".__secure_end"); char __secure_stack_start[0] __section(".__secure_stack_start"); diff --git a/arch/arm/mach-aspeed/ast2600/u-boot-spl.lds b/arch/arm/mach-aspeed/ast2600/u-boot-spl.lds index 37f0ccd92201..ada6570d9712 100644 --- a/arch/arm/mach-aspeed/ast2600/u-boot-spl.lds +++ b/arch/arm/mach-aspeed/ast2600/u-boot-spl.lds @@ -22,9 +22,9 @@ SECTIONS . = 0x00000000; . = ALIGN(4); + __image_copy_start = ADDR(.text); .text : { - __image_copy_start = .; *(.vectors) CPUDIR/start.o (.text*) *(.text*) diff --git a/arch/arm/mach-rockchip/u-boot-tpl-v8.lds b/arch/arm/mach-rockchip/u-boot-tpl-v8.lds index 712c485d4d0b..ad32654085b3 100644 --- a/arch/arm/mach-rockchip/u-boot-tpl-v8.lds +++ b/arch/arm/mach-rockchip/u-boot-tpl-v8.lds @@ -22,9 +22,9 @@ SECTIONS { . = 0x00000000; + __image_copy_start = ADDR(.text); .text : { . = ALIGN(8); - *(.__image_copy_start) CPUDIR/start.o (.text*) *(.text*) } @@ -44,10 +44,8 @@ SECTIONS KEEP(*(SORT(__u_boot_list*))); } - .image_copy_end : { - . = ALIGN(8); - *(.__image_copy_end) - } + . = ALIGN(8); + __image_copy_end = .; .end : { . = ALIGN(8); diff --git a/arch/arm/mach-zynq/u-boot-spl.lds b/arch/arm/mach-zynq/u-boot-spl.lds index 8c18d3f91f4b..d96a57702886 100644 --- a/arch/arm/mach-zynq/u-boot-spl.lds +++ b/arch/arm/mach-zynq/u-boot-spl.lds @@ -18,9 +18,9 @@ ENTRY(_start) SECTIONS { . = ALIGN(4); + __image_copy_start = ADDR(.text); .text : { - __image_copy_start = .; *(.vectors) CPUDIR/start.o (.text*) *(.text*) diff --git a/arch/arm/mach-zynq/u-boot.lds b/arch/arm/mach-zynq/u-boot.lds index 9eac7de0dcbd..f6c99a8ce218 100644 --- a/arch/arm/mach-zynq/u-boot.lds +++ b/arch/arm/mach-zynq/u-boot.lds @@ -14,9 +14,9 @@ SECTIONS . = 0x00000000; . = ALIGN(4); + __image_copy_start = ADDR(.text); .text : { - *(.__image_copy_start) *(.vectors) CPUDIR/start.o (.text*) } @@ -60,10 +60,7 @@ SECTIONS } . = ALIGN(8); - .image_copy_end : - { - *(.__image_copy_end) - } + __image_copy_end = .; .rel.dyn ALIGN(8) : { __rel_dyn_start = .;