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https://github.com/AsahiLinux/u-boot
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e94136bd87
It seems that gcc 6.3 at least is smart enough to warn about the _val
variable being unassigned in the default case in the set_hdr_field()
macro, but not smart enough to figure out that the default case is never
taken. This results in warnings such as the following:
pfx##hdr32[idx].field = _val; \
^
../tools/mips-relocs.c:51:11: note: _val was declared here
uint64_t _val; \
^
../tools/mips-relocs.c:88:2: note: in expansion of macro set_hdr_field
set_hdr_field(p, idx, field, val)
^~~~~~~~~~~~~
../tools/mips-relocs.c:408:3: note: in expansion of macro set_phdr_field
set_phdr_field(i, p_filesz, load_sz);
^~~~~~~~~~~~~~
../tools/mips-relocs.c: In function main:
../tools/mips-relocs.c:77:25: warning: _val may be used uninitialized
in this function [-Wmaybe-uninitialized]
Avoid this by assigning _val = 0 in the default case, and asserting that
we didn't actually hit it for good measure.
For reference gcc 7.1.1 seems to be smart enough to not hit the above
warning without this patch.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Fixes: 011dd93ca97a ("MIPS: Stop building position independent code")
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: u-boot@lists.denx.de
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| .. | ||
| binman | ||
| buildman | ||
| dtoc | ||
| easylogo | ||
| env | ||
| gdb | ||
| kermit | ||
| logos | ||
| omap | ||
| patman | ||
| scripts | ||
| .gitignore | ||
| aisimage.c | ||
| aisimage.h | ||
| atmel_pmecc_params.c | ||
| atmelimage.c | ||
| bmp_logo.c | ||
| default_image.c | ||
| dumpimage.c | ||
| dumpimage.h | ||
| envcrc.c | ||
| fdt_host.h | ||
| fdtgrep.c | ||
| fit_check_sign.c | ||
| fit_common.c | ||
| fit_common.h | ||
| fit_image.c | ||
| fit_info.c | ||
| gen_eth_addr.c | ||
| gen_ethaddr_crc.c | ||
| genboardscfg.py | ||
| getline.c | ||
| getline.h | ||
| gpheader.h | ||
| gpimage-common.c | ||
| gpimage.c | ||
| ifdtool.c | ||
| ifdtool.h | ||
| image-host.c | ||
| imagetool.c | ||
| imagetool.h | ||
| img2brec.sh | ||
| img2srec.c | ||
| imximage.c | ||
| imximage.h | ||
| jtagconsole | ||
| kwbimage.c | ||
| kwbimage.h | ||
| kwboot.c | ||
| lpc32xximage.c | ||
| Makefile | ||
| microcode-tool | ||
| microcode-tool.py | ||
| mingw_support.c | ||
| mingw_support.h | ||
| mips-relocs.c | ||
| mkenvimage.c | ||
| mkexynosspl.c | ||
| mkimage.c | ||
| mkimage.h | ||
| mksunxiboot.c | ||
| moveconfig.py | ||
| mxsboot.c | ||
| mxsimage.c | ||
| mxsimage.h | ||
| ncb.c | ||
| netconsole | ||
| omapimage.c | ||
| omapimage.h | ||
| os_support.c | ||
| os_support.h | ||
| pbl_crc32.c | ||
| pbl_crc32.h | ||
| pblimage.c | ||
| pblimage.h | ||
| proftool.c | ||
| relocate-rela.c | ||
| rkcommon.c | ||
| rkcommon.h | ||
| rkimage.c | ||
| rkmux.py | ||
| rksd.c | ||
| rkspi.c | ||
| socfpgaimage.c | ||
| sunxi-spl-image-builder.c | ||
| ublimage.c | ||
| ublimage.h | ||
| ubsha1.c | ||
| vybridimage.c | ||
| xway-swap-bytes.c | ||
| zynqimage.c | ||
| zynqmpimage.c | ||