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Revision 1.1.18.1: download - view: text, markup, annotated - select for diffs
Fri Aug 4 12:55:46 2023 UTC (15 months, 1 week ago) by martin
Branches: netbsd-9
CVS tags: netbsd-9-4-RELEASE
Diff to: previous 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1: +4 -17 lines
Pull up following revision(s), all via patch,
(requested by riastradh in ticket #1699):

	distrib/sets/lists/tests/shl.mi: revision 1.14
	distrib/sets/lists/tests/shl.mi: revision 1.15
	distrib/sets/lists/tests/shl.mi: revision 1.16
	tests/libexec/ld.elf_so/helper_def_static/h_def_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_def_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_def_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_onlyuse_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_static/Makefile: revision 1.2
	libexec/ld.elf_so/arch/mips/mips_reloc.c: revision 1.75
	distrib/sets/lists/tests/mi: revision 1.1265
	libexec/ld.elf_so/arch/sh3/mdreloc.c: revision 1.36
	libexec/ld.elf_so/rtld.c: revision 1.214
	tests/libexec/ld.elf_so/helper_onlydef_static/Makefile: revision 1.1
	distrib/sets/lists/debug/mi: revision 1.400
	tests/libexec/ld.elf_so/helper_onlydef_static/Makefile: revision 1.2
	distrib/sets/lists/debug/mi: revision 1.401
	distrib/sets/lists/debug/mi: revision 1.402
	tests/libexec/ld.elf_so/helper_dso2/Makefile: revision 1.2
	distrib/sets/lists/debug/mi: revision 1.403
	tests/libexec/ld.elf_so/helper_symver_dso0/Makefile: revision 1.2
	libexec/ld.elf_so/arch/x86_64/mdreloc.c: revision 1.48
	distrib/sets/lists/debug/mi: revision 1.406
	tests/libexec/ld.elf_so/helper_use_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_use_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_ifunc_dso/Makefile: revision 1.2
	libexec/ld.elf_so/arch/sparc64/mdreloc.c: revision 1.70
	libexec/ld.elf_so/arch/aarch64/mdreloc.c: revision 1.18
	tests/libexec/ld.elf_so/helper_abuse_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_abuse_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/Makefile: revision 1.13
	libexec/ld.elf_so/arch/arm/mdreloc.c: revision 1.46
	libexec/ld.elf_so/rtld.h: revision 1.146
	tests/libexec/ld.elf_so/Makefile: revision 1.14
	distrib/sets/lists/debug/shl.mi: revision 1.306
	tests/libexec/ld.elf_so/Makefile: revision 1.15
	tests/libexec/ld.elf_so/helper_abuse_static/Makefile: revision 1.1
	distrib/sets/lists/debug/shl.mi: revision 1.307
	tests/libexec/ld.elf_so/Makefile: revision 1.16
	tests/libexec/ld.elf_so/helper_abuse_static/Makefile: revision 1.2
	distrib/sets/lists/debug/shl.mi: revision 1.308
	tests/libexec/ld.elf_so/Makefile: revision 1.17
	distrib/sets/lists/debug/shl.mi: revision 1.309
	tests/libexec/ld.elf_so/Makefile: revision 1.18
	tests/libexec/ld.elf_so/Makefile: revision 1.19
	libexec/ld.elf_so/tls.c: revision 1.16
	libexec/ld.elf_so/tls.c: revision 1.17
	libexec/ld.elf_so/tls.c: revision 1.18
	libexec/ld.elf_so/tls.c: revision 1.19
	tests/libexec/ld.elf_so/helper_onlydef_static/h_onlydef_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/h_use_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/h_use_static.c: revision 1.2
	tests/libexec/ld.elf_so/helper_def_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_def_static/Makefile: revision 1.2
	libexec/ld.elf_so/arch/hppa/hppa_reloc.c: revision 1.50
	distrib/sets/lists/debug/shl.mi: revision 1.310
	libexec/ld.elf_so/README.TLS: revision 1.6
	distrib/sets/lists/debug/shl.mi: revision 1.311
	distrib/sets/lists/debug/shl.mi: revision 1.314
	tests/libexec/ld.elf_so/helper_dso3/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_symver_dso1/Makefile: revision 1.4
	libexec/ld.elf_so/arch/powerpc/ppc_reloc.c: revision 1.63
	tests/libexec/ld.elf_so/helper_def_dynamic/h_def_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlydef/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlydef/Makefile: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.10
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.11
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.12
	libexec/ld.elf_so/map_object.c: revision 1.66
	tests/libexec/ld.elf_so/helper.mk: revision 1.1
	libexec/ld.elf_so/arch/sparc/mdreloc.c: revision 1.57
	libexec/ld.elf_so/map_object.c: revision 1.67
	tests/libexec/ld.elf_so/helper_onlydef/h_onlydef.c: revision 1.1
	tests/libexec/ld.elf_so/helper_symver_dso2/Makefile: revision 1.4
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.3
	tests/libexec/ld.elf_so/helper_use_dynamic/h_use_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_abuse_static/h_abuse_static.c: revision 1.1
	libexec/ld.elf_so/arch/riscv/mdreloc.c: revision 1.9
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.1
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.3
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.4
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.5
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.6
	libexec/ld.elf_so/arch/m68k/mdreloc.c: revision 1.34
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.7
	libexec/ld.elf_so/arch/i386/mdreloc.c: revision 1.42
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.8
	libexec/ld.elf_so/arch/i386/mdreloc.c: revision 1.43
	libexec/ld.elf_so/arch/or1k/mdreloc.c: revision 1.4
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.9
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_abuse_dynamic/h_abuse_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/h_onlyctor_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_static/h_onlyuse_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/h_onlyuse_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_dso1/Makefile: revision 1.2
	distrib/sets/lists/tests/shl.mi: revision 1.12
	distrib/sets/lists/tests/shl.mi: revision 1.13
	libexec/ld.elf_so/arch/alpha/alpha_reloc.c: revision 1.44

ld.elf_so: New test for extern initial-exec TLS, PR toolchain/50277.

ld.elf_so: Fix extern TLS test to match PR toolchain/50277.
Now it's actually testing the problem.
ld.elf_so: Nix inadvertently committed private test program.
ld.elf_so: Fix set lists for MKDEBUG=yes builds with t_tls_extern.

ld.elf_so: Sprinkle tls debug messages.

ld.elf_so: Make tls alloc debug messages more detailed and greppable.

ld.elf_so: Test variations on PR toolchain/50277.

ld.elf_so: Test extern dynamic TLS too.

ld.elf_so: Factor out logic in TLS tests to make writing more easier.
No functional change intended.

ld.elf_so: Test TLS abuse of static def, dynamic use and vice versa.

ld.elf_so: Shorter test names.
No functional non-cosmetic change intended.

ld.elf_so: Separately test eager and lazy resolution of def tls ptr.
eager: before loading use library
lazy: after loading use library

Add recent ld.elf_so test helpers debug info
ld.elf_so: Add new files to debug/shl.mi.

ld.elf_so: tls_extern dynamic_defabuse_eager must xfail differently.
If a symbol has already been resolved as dynamic TLS, any library
that tries to use it as static TLS cannot be dlopened.

ld.elf_so: Test another edge case of mismatched TLS models.
One library defines a symbol and _doesn't_ use it, so it has no
indication of whether the symbol is for static TLS or dynamic TLS,
and then two other libraries use it in different ways.

ld.elf_so: Test dynamic-then-static abuse via ctor.

ld.elf_so: Fix missing tab in debug/shl.mi in last change.

Fix interactions of initial-exec TLS model and dlopen

(1) If an initial-exec relocation was used for a non-local symbol
(i.e. the definition of the symbol is in a different DSO), the
computation of the static TLS offset used the wrong DSO.

This would effectively mean the wrong address was computed
(PR toolchain/50277, PR pkg/57445).
Fix this by forcing the computation of the correct DSO (the one defining
the symbol).
This code uses __UNCONST to avoid the vast interface changes for this
special case.

(2) If symbols from a DSO loaded via dlopen are used with both
global-dynamic/local-dynamic and initial-exec relocations AND
a initial-exec relocation was resolved first in a thread, a split brain
situation could exist where the dynamic relocations would use one memory
block (separate allocation) and the initial-exec relocations the static
per-thread TLS space.

(3) If the initial-exec relocation in (2) is seen after any thread has
already used a GD/LD allocation, bail out. Since IE relocations are used
only in the GOT, this will prevent the dlopen. This is a bit more
aggressive than necessary, but a full blown reference counting doesn't
seem to be justified.
Avoid using uninitialized variable "symnum" when building with DEBUG
enabled by borrowing the rdbg_symname() macro from arch/x86_64.
ld.elf_so: Sprinkle more debug messages on dlopen and error.

PR pkg/57445

Fix MKDEBUGLIB build by adding these installed files to the debug
set list.

One could argue that these files are not of any use, so why install
them?  I don't have a good argument either way, and this is (for
now) a simple work-around for PR bin/57455   Please feel free to
commit a different fix to avoid installing these files at all.

Fix markup of libh_ MKDEBUGLIB=yes only files

TLS variant I archs need to fudge the offset by the size of the TCB.
tests/libexec/ld.elf_so: Fix helper library makefiles.
1. Consolidate logic into a single helper.mk to reduce duplication.
2. Set NO* variables, not MK* variables which are reserved for user.
3. Avoid eager X!= in favour of lazy ${X:sh}.
4. Mark _g.a set list entries obsolete.  Never should've been built!
PR misc/57462

Revision 1.1.26.1: download - view: text, markup, annotated - select for diffs
Tue Aug 1 16:34:57 2023 UTC (15 months, 2 weeks ago) by martin
Branches: netbsd-10
CVS tags: netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1
Diff to: previous 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1: +4 -17 lines
Pull up following revision(s) (requested by riastradh in ticket #297):

	distrib/sets/lists/tests/shl.mi: revision 1.14
	distrib/sets/lists/tests/shl.mi: revision 1.15
	distrib/sets/lists/tests/shl.mi: revision 1.16
	tests/libexec/ld.elf_so/helper_def_static/h_def_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_def_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_def_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_onlyuse_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_static/Makefile: revision 1.2
	libexec/ld.elf_so/arch/mips/mips_reloc.c: revision 1.75
	distrib/sets/lists/tests/mi: revision 1.1265
	libexec/ld.elf_so/arch/sh3/mdreloc.c: revision 1.36
	libexec/ld.elf_so/rtld.c: revision 1.214
	tests/libexec/ld.elf_so/helper_onlydef_static/Makefile: revision 1.1
	distrib/sets/lists/debug/mi: revision 1.400
	tests/libexec/ld.elf_so/helper_onlydef_static/Makefile: revision 1.2
	distrib/sets/lists/debug/mi: revision 1.401
	distrib/sets/lists/debug/mi: revision 1.402
	tests/libexec/ld.elf_so/helper_dso2/Makefile: revision 1.2
	distrib/sets/lists/debug/mi: revision 1.403
	tests/libexec/ld.elf_so/helper_symver_dso0/Makefile: revision 1.2
	libexec/ld.elf_so/arch/x86_64/mdreloc.c: revision 1.48
	distrib/sets/lists/debug/mi: revision 1.406
	tests/libexec/ld.elf_so/helper_use_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_use_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_ifunc_dso/Makefile: revision 1.2
	libexec/ld.elf_so/arch/sparc64/mdreloc.c: revision 1.70
	libexec/ld.elf_so/arch/aarch64/mdreloc.c: revision 1.18
	tests/libexec/ld.elf_so/helper_abuse_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_abuse_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/Makefile: revision 1.13
	libexec/ld.elf_so/arch/arm/mdreloc.c: revision 1.46
	libexec/ld.elf_so/rtld.h: revision 1.146
	tests/libexec/ld.elf_so/Makefile: revision 1.14
	distrib/sets/lists/debug/shl.mi: revision 1.306
	tests/libexec/ld.elf_so/Makefile: revision 1.15
	tests/libexec/ld.elf_so/helper_abuse_static/Makefile: revision 1.1
	distrib/sets/lists/debug/shl.mi: revision 1.307
	tests/libexec/ld.elf_so/Makefile: revision 1.16
	tests/libexec/ld.elf_so/helper_abuse_static/Makefile: revision 1.2
	distrib/sets/lists/debug/shl.mi: revision 1.308
	tests/libexec/ld.elf_so/Makefile: revision 1.17
	distrib/sets/lists/debug/shl.mi: revision 1.309
	tests/libexec/ld.elf_so/Makefile: revision 1.18
	tests/libexec/ld.elf_so/Makefile: revision 1.19
	libexec/ld.elf_so/tls.c: revision 1.16
	libexec/ld.elf_so/tls.c: revision 1.17
	libexec/ld.elf_so/tls.c: revision 1.18
	libexec/ld.elf_so/tls.c: revision 1.19
	tests/libexec/ld.elf_so/helper_onlydef_static/h_onlydef_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/h_use_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/h_use_static.c: revision 1.2
	tests/libexec/ld.elf_so/helper_def_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_def_static/Makefile: revision 1.2
	libexec/ld.elf_so/arch/hppa/hppa_reloc.c: revision 1.50
	distrib/sets/lists/debug/shl.mi: revision 1.310
	libexec/ld.elf_so/README.TLS: revision 1.6
	distrib/sets/lists/debug/shl.mi: revision 1.311
	distrib/sets/lists/debug/shl.mi: revision 1.314
	tests/libexec/ld.elf_so/helper_dso3/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_symver_dso1/Makefile: revision 1.4
	libexec/ld.elf_so/arch/powerpc/ppc_reloc.c: revision 1.63
	tests/libexec/ld.elf_so/helper_def_dynamic/h_def_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlydef/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlydef/Makefile: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.10
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.11
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.12
	libexec/ld.elf_so/map_object.c: revision 1.66
	tests/libexec/ld.elf_so/helper.mk: revision 1.1
	libexec/ld.elf_so/arch/sparc/mdreloc.c: revision 1.57
	libexec/ld.elf_so/map_object.c: revision 1.67
	tests/libexec/ld.elf_so/helper_onlydef/h_onlydef.c: revision 1.1
	tests/libexec/ld.elf_so/helper_symver_dso2/Makefile: revision 1.4
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_use_static/Makefile: revision 1.3
	tests/libexec/ld.elf_so/helper_use_dynamic/h_use_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_abuse_static/h_abuse_static.c: revision 1.1
	libexec/ld.elf_so/arch/riscv/mdreloc.c: revision 1.9
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.1
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.3
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.4
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.5
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.6
	libexec/ld.elf_so/arch/m68k/mdreloc.c: revision 1.34
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.7
	libexec/ld.elf_so/arch/i386/mdreloc.c: revision 1.42
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.8
	libexec/ld.elf_so/arch/i386/mdreloc.c: revision 1.43
	libexec/ld.elf_so/arch/or1k/mdreloc.c: revision 1.4
	tests/libexec/ld.elf_so/t_tls_extern.c: revision 1.9
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/Makefile: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/Makefile: revision 1.2
	tests/libexec/ld.elf_so/helper_abuse_dynamic/h_abuse_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyctor_dynamic/h_onlyctor_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_static/h_onlyuse_static.c: revision 1.1
	tests/libexec/ld.elf_so/helper_onlyuse_dynamic/h_onlyuse_dynamic.c: revision 1.1
	tests/libexec/ld.elf_so/helper_dso1/Makefile: revision 1.2
	distrib/sets/lists/tests/shl.mi: revision 1.12
	distrib/sets/lists/tests/shl.mi: revision 1.13
	libexec/ld.elf_so/arch/alpha/alpha_reloc.c: revision 1.44
	(all via patch)

ld.elf_so: New test for extern initial-exec TLS, PR toolchain/50277.

ld.elf_so: Fix extern TLS test to match PR toolchain/50277.
Now it's actually testing the problem.
ld.elf_so: Nix inadvertently committed private test program.
ld.elf_so: Fix set lists for MKDEBUG=yes builds with t_tls_extern.

ld.elf_so: Sprinkle tls debug messages.

ld.elf_so: Make tls alloc debug messages more detailed and greppable.

ld.elf_so: Test variations on PR toolchain/50277.

ld.elf_so: Test extern dynamic TLS too.

ld.elf_so: Factor out logic in TLS tests to make writing more easier.
No functional change intended.

ld.elf_so: Test TLS abuse of static def, dynamic use and vice versa.

ld.elf_so: Shorter test names.
No functional non-cosmetic change intended.

ld.elf_so: Separately test eager and lazy resolution of def tls ptr.
eager: before loading use library
lazy: after loading use library

Add recent ld.elf_so test helpers debug info
ld.elf_so: Add new files to debug/shl.mi.

ld.elf_so: tls_extern dynamic_defabuse_eager must xfail differently.
If a symbol has already been resolved as dynamic TLS, any library
that tries to use it as static TLS cannot be dlopened.

ld.elf_so: Test another edge case of mismatched TLS models.
One library defines a symbol and _doesn't_ use it, so it has no
indication of whether the symbol is for static TLS or dynamic TLS,
and then two other libraries use it in different ways.

ld.elf_so: Test dynamic-then-static abuse via ctor.

ld.elf_so: Fix missing tab in debug/shl.mi in last change.

Fix interactions of initial-exec TLS model and dlopen
(1) If an initial-exec relocation was used for a non-local symbol
(i.e. the definition of the symbol is in a different DSO), the
computation of the static TLS offset used the wrong DSO.
This would effectively mean the wrong address was computed
(PR toolchain/50277, PR pkg/57445).
Fix this by forcing the computation of the correct DSO (the one defining
the symbol).
This code uses __UNCONST to avoid the vast interface changes for this
special case.
(2) If symbols from a DSO loaded via dlopen are used with both
global-dynamic/local-dynamic and initial-exec relocations AND
a initial-exec relocation was resolved first in a thread, a split brain
situation could exist where the dynamic relocations would use one memory
block (separate allocation) and the initial-exec relocations the static
per-thread TLS space.
(3) If the initial-exec relocation in (2) is seen after any thread has
already used a GD/LD allocation, bail out. Since IE relocations are used
only in the GOT, this will prevent the dlopen. This is a bit more
aggressive than necessary, but a full blown reference counting doesn't
seem to be justified.
Avoid using uninitialized variable "symnum" when building with DEBUG
enabled by borrowing the rdbg_symname() macro from arch/x86_64.
ld.elf_so: Sprinkle more debug messages on dlopen and error.
PR pkg/57445
Fix MKDEBUGLIB build by adding these installed files to the debug
set list.
XXX
One could argue that these files are not of any use, so why install
them?  I don't have a good argument either way, and this is (for
now) a simple work-around for PR bin/57455   Please feel free to
commit a different fix to avoid installing these files at all.
Fix markup of libh_ MKDEBUGLIB=yes only files
TLS variant I archs need to fudge the offset by the size of the TCB.
tests/libexec/ld.elf_so: Fix helper library makefiles.
1. Consolidate logic into a single helper.mk to reduce duplication.
2. Set NO* variables, not MK* variables which are reserved for user.
3. Avoid eager X!= in favour of lazy ${X:sh}.
4. Mark _g.a set list entries obsolete.  Never should've been built!
PR misc/57462

Revision 1.2: download - view: text, markup, annotated - select for diffs
Wed Jul 5 22:42:47 2023 UTC (16 months, 1 week ago) by riastradh
Branches: MAIN
CVS tags: perseant-exfatfs-base-20240630, perseant-exfatfs-base, perseant-exfatfs, HEAD
Diff to: previous 1.1: preferred, colored
Changes since revision 1.1: +4 -17 lines
tests/libexec/ld.elf_so: Fix helper library makefiles.

1. Consolidate logic into a single helper.mk to reduce duplication.
2. Set NO* variables, not MK* variables which are reserved for user.
3. Avoid eager X!= in favour of lazy ${X:sh}.
4. Mark _g.a set list entries obsolete.  Never should've been built!

PR misc/57462

Revision 1.1: download - view: text, markup, annotated - select for diffs
Mon Aug 25 20:40:53 2014 UTC (10 years, 2 months ago) by joerg
Branches: MAIN
CVS tags: prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-8-base, netbsd-8-3-RELEASE, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-10-base, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, is-mlppp-base, is-mlppp, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan
Branch point for: netbsd-9, netbsd-10
Add basic support for indirect functions. It allows providing a public
function symbol with an implementation choosen at run time.
Refactor calls to functions by address in ld.elf_so to create temporary
function descriptors on the stack, if the address is not leaked outside.

Limitations:
- no support for initialising static storage with function pointers
- no support for unnamed resolver functions

Inspired by FreeBSD's r228435 by kib@freebsd.org.

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