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| author | Florian Weimer <fweimer@redhat.com> | 2022-02-03 10:58:59 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2022-02-10 11:51:55 +0100 |
| commit | 8c8510ab2790039e58995ef3a22309582413d3ff (patch) | |
| tree | 3ebd93ae5708d2f67a546aeccb200dd5b1dad06c /sysdeps/unix/sysv/linux/alpha | |
| parent | f19fc997a5754a6c0bb9e43618f0597e878061f7 (diff) | |
| download | glibc-8c8510ab2790039e58995ef3a22309582413d3ff.tar.gz glibc-8c8510ab2790039e58995ef3a22309582413d3ff.tar.xz glibc-8c8510ab2790039e58995ef3a22309582413d3ff.zip | |
Linux: Consolidate auxiliary vector parsing
And optimize it slightly. The large switch statement in _dl_sysdep_start can be replaced with a large array. This reduces source code and binary size. On i686-linux-gnu: Before: text data bss dec hex filename 7791 12 0 7803 1e7b elf/dl-sysdep.os After: text data bss dec hex filename 7135 12 0 7147 1beb elf/dl-sysdep.os Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/dl-auxv.h | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/dl-auxv.h b/sysdeps/unix/sysv/linux/alpha/dl-auxv.h index 81d90da095..fcec743239 100644 --- a/sysdeps/unix/sysv/linux/alpha/dl-auxv.h +++ b/sysdeps/unix/sysv/linux/alpha/dl-auxv.h @@ -20,16 +20,8 @@ extern long __libc_alpha_cache_shape[4]; -#define DL_PLATFORM_AUXV \ - case AT_L1I_CACHESHAPE: \ - __libc_alpha_cache_shape[0] = av->a_un.a_val; \ - break; \ - case AT_L1D_CACHESHAPE: \ - __libc_alpha_cache_shape[1] = av->a_un.a_val; \ - break; \ - case AT_L2_CACHESHAPE: \ - __libc_alpha_cache_shape[2] = av->a_un.a_val; \ - break; \ - case AT_L3_CACHESHAPE: \ - __libc_alpha_cache_shape[3] = av->a_un.a_val; \ - break; +#define DL_PLATFORM_AUXV \ + __libc_alpha_cache_shape[0] = auxv_values[AT_L1I_CACHESHAPE]; \ + __libc_alpha_cache_shape[1] = auxv_values[AT_L1D_CACHESHAPE]; \ + __libc_alpha_cache_shape[2] = auxv_values[AT_L2_CACHESHAPE]; \ + __libc_alpha_cache_shape[3] = auxv_values[AT_L3_CACHESHAPE]; |