[U-Boot] recent tools on FreeBSD
Jeroen Hofstee
jeroen at myspectrum.nl
Wed Feb 4 20:37:37 CET 2015
Hello Guilherme / Simon,
It seems that commit f86ed6a8d52c99bb2d17d3cac1647edca0c4399c,
"tools: moved code common to all image tools to a separated module."
cause some trouble when building on FreeBSD.
/usr/bin/ld:./tools/imagetool.lds:24: syntax error
cc: error: linker command failed with exit code 1 (use -v to see invocation)
which is about the last line, /* INSERT BEFORE .data; */
And thereafter about:
/usr/lib/crt1.o: In function `_start':
/usr/src/lib/csu/amd64/crt1.c:(.text+0x90): undefined reference to
`__preinit_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x95): undefined reference to
`__preinit_array_end'
/usr/src/lib/csu/amd64/crt1.c:(.text+0xb1): undefined reference to
`__preinit_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0xb6): undefined reference to
`__preinit_array_end'
/usr/src/lib/csu/amd64/crt1.c:(.text+0xd4): undefined reference to
`__preinit_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0xf9): undefined reference to
`__init_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0xfe): undefined reference to
`__init_array_end'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x11a): undefined reference to
`__init_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x11f): undefined reference to
`__init_array_end'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x144): undefined reference to
`__init_array_start'
/usr/lib/crt1.o: In function `finalizer':
/usr/src/lib/csu/amd64/crt1.c:(.text+0x187): undefined reference to
`__fini_array_start'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x18c): undefined reference to
`__fini_array_end'
/usr/src/lib/csu/amd64/crt1.c:(.text+0x1b4): undefined reference to
`__fini_array_start'
/usr/bin/ld: tools/mkenvimage: hidden symbol `__preinit_array_start'
isn't defined
Which seems to be about missing sections. The (default) ld on FreeBSD
branched of from an old version [1],
With below patch [2] things build at least.
Some question about this:
- why do we need linker magic for tools at all? Given that there is no
custom linker script for tools (or I failed
to find it), this adds a dependency between the host default linker
script and the tweaks in imagetool.lds
- what it the INSERT BEFORE .data supposed to do?
- and last but not least, how can we make this work in general
- and really last, how do I test if it works..
With kind regards,
Jeroen
[1]
ld --version
GNU ld 2.17.50 [FreeBSD] 2007-07-03
[2]
diff --git a/tools/imagetool.lds b/tools/imagetool.ldsdiff --git
a/tools/imagetool.lds b/tools/imagetool.lds
index 7e92b4a..b18eadb 100644
--- a/tools/imagetool.lds
+++ b/tools/imagetool.lds
@@ -19,6 +19,17 @@ SECTIONS
__u_boot_sandbox_option_end = .;
__bss_start = .;
+
+ . = ALIGN(32 / 8);
+ PROVIDE (__preinit_array_start = .);
+ .preinit_array : { *(.preinit_array) }
+ PROVIDE (__preinit_array_end = .);
+ PROVIDE (__init_array_start = .);
+ .init_array : { *(.init_array) }
+ PROVIDE (__init_array_end = .);
+ PROVIDE (__fini_array_start = .);
+ .fini_array : { *(.fini_array) }
+ PROVIDE (__fini_array_end = .);
}
-INSERT BEFORE .data;
+/* INSERT BEFORE .data; */
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