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author | https://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web> | 2015-02-16 20:08:03 +0100 |
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committer | GNU Hurd web pages engine <web-hurd@gnu.org> | 2015-02-16 20:08:03 +0100 |
commit | 95878586ec7611791f4001a4ee17abf943fae3c1 (patch) | |
tree | 847cf658ab3c3208a296202194b16a6550b243cf /service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn | |
parent | 8063426bf7848411b0ef3626d57be8cb4826715e (diff) |
rename open_issues.mdwn to service_solahart_jakarta_selatan__082122541663.mdwn
Diffstat (limited to 'service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn')
-rw-r--r-- | service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn b/service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn new file mode 100644 index 00000000..47f104c6 --- /dev/null +++ b/service_solahart_jakarta_selatan__082122541663/glibc_tls_segment_tcbhead_t_dtv_offset.mdwn @@ -0,0 +1,28 @@ +[[!meta copyright="Copyright © 2010 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!tag open_issue_glibc]] + +IRC, unknown channel, unknown date. + + <youpi> you can hardcode DTV_OFFSET as 4 for now + <youpi> it's the offset of the dtv field in the tcbhead_t structure from hurd/libpthread + <tschwinge> youpi: May very well be that I'm misunderstanding something, but wouldn't it rather be the offset of tcb in __pthread + the offset of dtv in tcbhead_t (which indeed is 4)? + <youpi> what you don't know is that DTV_OFFSET is not relative to __pthread, but to the tls segment + <tschwinge> Oh, aha. Thanks. + <youpi> and drepper abused the fact that in nptl __pthread appears at the start of the tls segment + +kFreeBSD, glibc: + + ++#if 0 + + DTV_OFFSET offsetof(struct pthread, header.dtv) + ++#else + ++DTV_OFFSET offsetof(struct _pthread_descr_struct, p_header.data.dtvp) + ++#endif |