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Differential D1060

Implement vdso - virtual dynamic shared object. Through vdso Linux exposes functions from kernel with proper DWARF CFI information so that it becomes easier to unwind through them. Using vdso is a mandatory for a thread cancelation && cleanup on a...
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Authored by dchagin on Nov 1 2014, 12:59 PM.
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kib
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Linux Emulation
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rS283407: Implement vdso - virtual dynamic shared object. Through vdso Linux
Summary

...modern glibc.

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rS FreeBSD src repository - subversion
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dchagin updated this revision to Diff 2197.Nov 1 2014, 12:59 PM
dchagin retitled this revision from to Implement vdso - virtual dynamic shared object. Through vdso Linux exposes functions from kernel with proper DWARF CFI information so that it becomes easier to unwind through them. Using vdso is a mandatory for a thread cancelation && cleanup on a....
dchagin updated this object.
dchagin added a reviewer: Linux Emulation.Nov 2 2014, 9:33 PM
dchagin updated this revision to Diff 2317.Nov 6 2014, 9:32 PM

Merge imp@ ${SYSDIR} changes.

Updating D1060: Implement vdso - virtual dynamic shared object. Through vdso Linux

exposes functions from kernel with proper DWARF CFI information so that
it becomes easier to unwind through them.
Using vdso is a mandatory for a thread cancelation && cleanup
on a...

trasz added a reviewer: kib.Mar 27 2015, 11:28 AM
trasz added a subscriber: trasz.

This looks too low-level (all this asm stuff) for me to review. Konstantin, could you take a look? Thanks!

kib edited edge metadata.Mar 30 2015, 11:02 AM

Can you use higher-level cfi pseudo-ops for annotations, instead of manually encoding the dwarf ?

Closed by commit rS283407: Implement vdso - virtual dynamic shared object. Through vdso Linux (authored by dchagin). · Explain WhyMay 24 2015, 3:28 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
amd64/
linux32/
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3 lines
152 lines
64 lines
65 lines
compat/
linux/
2 lines
65 lines
240 lines
conf/
15 lines
15 lines
i386/
linux/
2 lines
3 lines
154 lines
65 lines
65 lines
modules/
linux/
29 lines

Diff 5620

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head/sys/amd64/linux32/linux.h

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head/sys/amd64/linux32/linux32_genassym.c

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head/sys/amd64/linux32/linux32_locore.s

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head/sys/amd64/linux32/linux32_sysvec.c

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head/sys/amd64/linux32/linux32_vdso.lds.s

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head/sys/compat/linux/linux_misc.h

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head/sys/compat/linux/linux_vdso.h

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head/sys/compat/linux/linux_vdso.c

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head/sys/conf/files.amd64

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head/sys/conf/files.i386

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head/sys/i386/linux/linux.h

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head/sys/i386/linux/linux_genassym.c

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head/sys/i386/linux/linux_locore.s

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head/sys/i386/linux/linux_sysvec.c

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head/sys/i386/linux/linux_vdso.lds.s

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head/sys/modules/linux/Makefile

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