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2018-02-28build: use thin archives rather than incremental linkingNicholas Piggin1-1/+1
This changes to build system to use thin archives rather than incremental linking for built-in.o, similar to recent change to Linux. built-in.o is renamed to built-in.a, and is created as a thin archive with no index, for speed and size. All built-in.a are aggregated into a skiboot.tmp.a which is a thin archive built with an index, making it suitable or linking. This is input into the final link. The advantags of build size and linker code placement flexibility are not as great with skiboot as a bigger project like Linux, but it's a conceptually better way to build, and is more compatible with link time optimisation in toolchains which might be interesting for skiboot particularly for size reductions. Size of build tree before this patch is 34.4MB, afterwards 23.1MB. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2017-05-31libc: Add labs() to stdlibShilpasri G Bhat2-1/+26
Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2015-07-08fix wrong operator use in stdlib/rand.cStewart Smith1-1/+1
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2015-02-26sparse: fix Using plain integer as NULL pointer warningCédric Le Goater2-2/+2
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2015-02-26sparse: declare errnoCédric Le Goater1-0/+1
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2015-02-23atoi/atol should assume base 10, not autodetect base.Daniel Axtens2-2/+2
The behaviour of atoi/atol on glibc (and according to the spec) is to assume base 10, not to autodetect the base. Signed-off-by: Daniel Axtens <dja@axtens.net> Reviewed-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2015-02-23Don't recognise a double hex prefix (0x0xNN) as valid.Daniel Axtens2-4/+0
When autodetecting the base, the code would strip hex prefixes twice. Now the string is not modified in the detection stage. Signed-off-by: Daniel Axtens <dja@axtens.net> Reviewed-by: Cyril Bur <cyrilbur@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2014-08-08Use PR_EMERG priority in assert() codepathStewart Smith2-24/+1
Moving assert_fail() out of libc and into core/utils.c so that we can sanely call prlog(PR_EMERG). We shorten it from three fputs calls down to one prlog() call. This may increase the number of cycles and stack usage for when we hit an assert, which may not be desirable. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-07-02Initial commit of Open Source releaseBenjamin Herrenschmidt8-0/+338
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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