arm: keep all sections in ELF file

Current LDS files /DISCARD/ a lot of sections when linking ELF
files, causing diagnostic tools such as readelf or objdump to
produce partial output. Keep all section at link stage, filter
only at objcopy time so that .bin remains minimal.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>

diff --git a/Makefile b/Makefile
index 1f499c5ec877173aaeec70263860a3cca89b43ea..af0ad5744e2738d9afeb54901cb262daca33bf1f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -393,7 +393,7 @@ $(obj)u-boot.hex:   $(obj)u-boot
                $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
 
 $(obj)u-boot.srec:     $(obj)u-boot
-               $(OBJCOPY) -O srec $< $@
+               $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
 
 $(obj)u-boot.bin:      $(obj)u-boot
                $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index bdabcf407e2c7cf783e4e73b05acec2031d2189c..fd3e5fb661d5560ff5de7ff59384e2d23495991b 100644 (file)
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -103,3 +103,6 @@ ALL-y += checkarmreloc
 # such usage by requiring word relocations.
 PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations)
 endif
+
+# limit ourselves to the sections we want in the .bin.
+OBJCFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rel.dyn

diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
index 40bcc3132f81278cb41bfff6a729fd40c44db02a..80fb9bdc8d10de934967cdf6d5c9b7874ec9b755 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
+++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
@@ -51,11 +51,13 @@ SECTIONS
 
        _end = .;
 
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynsym*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.hash*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
index 4927736b9bb67ed436ade347ab40faf53eea5d83..76b499d87f146e7bef6c026795983c4cb625303f 100644 (file)
--- a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
+++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
@@ -51,11 +51,13 @@ SECTIONS
 
        _end = .;
 
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynsym*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.hash*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds
index c8d2e126ae46ce5352e67b0ee431414a23977805..676ae2c4f9a0000d8007c97d99486a495b658f7d 100644 (file)
--- a/arch/arm/cpu/ixp/u-boot.lds
+++ b/arch/arm/cpu/ixp/u-boot.lds
@@ -79,10 +79,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds
index 36cc54a292e8cacae5b82e7375d32a69da23710f..4880d0f78acdeac78ae019979607f98225351818 100644 (file)
--- a/arch/arm/cpu/u-boot-spl.lds
+++ b/arch/arm/cpu/u-boot-spl.lds
@@ -51,12 +51,15 @@ SECTIONS
                __bss_end = .;
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }
 
 #if defined(CONFIG_SPL_MAX_SIZE)

diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds
index 23bf0306550ac9e209f8ffec9ac538a972ce8f17..9463a33dcb3dab4b99f558b5774a25787df9486f 100644 (file)
--- a/arch/arm/cpu/u-boot.lds
+++ b/arch/arm/cpu/u-boot.lds
@@ -91,12 +91,14 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
-       /DISCARD/ : { *(.ARM.exidx*) }
-       /DISCARD/ : { *(.gnu.linkonce.armexidx.*) }
+       .dynsym _end : { *(.dynsym) }
+       .hash : { *(.hash) }
+       .got.plt : { *(.got.plt) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/actux1/u-boot.lds b/board/actux1/u-boot.lds
index a656fa99d1612340750e78ee8e65f2f05a9a3ffe..12e018f316a02092051725dba5fb58a93cd5d255 100644 (file)
--- a/board/actux1/u-boot.lds
+++ b/board/actux1/u-boot.lds
@@ -87,10 +87,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/actux2/u-boot.lds b/board/actux2/u-boot.lds
index 7a1717640abda142b6796cd71eac23fc7624a6b1..300273bf7aa95bb08e05bc7bec59d142302124bb 100644 (file)
--- a/board/actux2/u-boot.lds
+++ b/board/actux2/u-boot.lds
@@ -87,10 +87,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/actux3/u-boot.lds b/board/actux3/u-boot.lds
index aadfdd2f57034578f49c6482312b45b204619e98..9c97c533dccd9746290d7d4af23680bbe62e67b0 100644 (file)
--- a/board/actux3/u-boot.lds
+++ b/board/actux3/u-boot.lds
@@ -87,10 +87,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/dvlhost/u-boot.lds b/board/dvlhost/u-boot.lds
index 40c9c8038bb1e88110172680151a8223a8b2c790..057d94b62a6a17c8b9d0c49b86b540417a9c212a 100644 (file)
--- a/board/dvlhost/u-boot.lds
+++ b/board/dvlhost/u-boot.lds
@@ -87,10 +87,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/freescale/mx31ads/u-boot.lds b/board/freescale/mx31ads/u-boot.lds
index 3acc4ca548321ed85f8b24c53130238f9edb5c6c..6cfca2dab63a94d0e4822e5b0044cbfa3d676f97 100644 (file)
--- a/board/freescale/mx31ads/u-boot.lds
+++ b/board/freescale/mx31ads/u-boot.lds
@@ -90,13 +90,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.bss*) }
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynsym*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.hash*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/ti/am335x/u-boot.lds b/board/ti/am335x/u-boot.lds
index a173f620ef99636d1bfff4904895658fee6764a4..9f96a43898cdec97c30a3eee434d52b1476fa243 100644 (file)
--- a/board/ti/am335x/u-boot.lds
+++ b/board/ti/am335x/u-boot.lds
@@ -108,10 +108,13 @@ SECTIONS
                KEEP(*(.__bss_end));
        }
 
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }

diff --git a/board/vpac270/u-boot-spl.lds b/board/vpac270/u-boot-spl.lds
index 7eac4975ba1984fa5ef8de25a47acac6ae7800dc..08c78b3dbb0131f595d01362a9bd2b76bc5266d4 100644 (file)
--- a/board/vpac270/u-boot-spl.lds
+++ b/board/vpac270/u-boot-spl.lds
@@ -62,13 +62,13 @@ SECTIONS
                __bss_end = .;
        }
 
-       /DISCARD/ : { *(.bss*) }
-       /DISCARD/ : { *(.dynsym) }
-       /DISCARD/ : { *(.dynstr*) }
-       /DISCARD/ : { *(.dynsym*) }
-       /DISCARD/ : { *(.dynamic*) }
-       /DISCARD/ : { *(.hash*) }
-       /DISCARD/ : { *(.plt*) }
-       /DISCARD/ : { *(.interp*) }
-       /DISCARD/ : { *(.gnu*) }
+       .dynsym _end : { *(.dynsym) }
+       .dynbss : { *(.dynbss) }
+       .dynstr : { *(.dynstr*) }
+       .dynamic : { *(.dynamic*) }
+       .hash : { *(.hash*) }
+       .plt : { *(.plt*) }
+       .interp : { *(.interp*) }
+       .gnu : { *(.gnu*) }
+       .ARM.exidx : { *(.ARM.exidx*) }
 }