* Sven Schnelle <svens@xxxxxxxxxxxxxx>: > When compiling the kernel with debug information i got the following error: > > hppa-linux-gnu-ld: section .text LMA [0000000000e78000,0000000000e7b41f] overlaps section .rodata.compressed LMA [00000000000e0078,00000000015ad43d] > make[3]: *** [/home/svens/parisc-linux/src/arch/parisc/boot/compressed/Makefile:28: arch/parisc/boot/compressed/vmlinux] Error 1 > make[2]: *** [/home/svens/parisc-linux/src/arch/parisc/boot/Makefile:17: arch/parisc/boot/compressed/vmlinux] Error 2 > make[2]: Target 'arch/parisc/boot/bzImage' not remade because of errors. > > While this might also be fixed by adjusting the linker script, i think we > should strip the debug information when generating the compressed image. This > reduces the size of vmlinuz/lifimage from ~69MB to 6.6MB when full debug > information is enabled. I think keeping debug info is good. Can you test this patch instead? It converts a 141MB vmlinux boot file (with debug info) to a 32M vmlinuz for me. Ideally I would prefer something like . = MIN_OR_HIGHER_THAN_CURRENT_ADDR((SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START)); to avoid the ifdef, but I'm missing the linker script expert knowledge... Helge ------------------------ [PATCH] parisc: Allow building a compressed vmlinuz with CONFIG_DEBUG_INFO enabled. Signed-off-by: Helge Deller <deller@xxxxxx> diff --git a/arch/parisc/boot/compressed/vmlinux.lds.S b/arch/parisc/boot/compressed/vmlinux.lds.S index bfd7872739a3..dac000ec3861 100644 --- a/arch/parisc/boot/compressed/vmlinux.lds.S +++ b/arch/parisc/boot/compressed/vmlinux.lds.S @@ -49,7 +49,10 @@ SECTIONS } /* bootloader code and data starts behind area of extracted kernel */ +#if !defined(CONFIG_DEBUG_INFO) + /* ensure at least max address when compiled without debug info: */ . = (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START); +#endif /* align on next page boundary */ . = ALIGN(4096);
