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Author SHA1 Message Date
LemonBoy
58c2bec589 stage1: Fix ICE when generating struct fields with padding 
Make gen_const_ptr_struct_recursive aware of the possible presence of
some trailing padding by always bitcasting the pointer to its expected
type.

Not an elegant solution but makes LLVM happy and is consistent with how
the other callsites are handling this case.

Fixes #5398
 2020-11-25 15:36:33 -08:00
Andrew Kelley
500fbdad57 update stack trace test with new start.zig line number 2020-11-25 00:40:50 -07:00
Andrew Kelley
479f259ea4 make start code more versatile 
* always align the stack to 16. I saw an instance on x86_64 linux where
   it was needed.

 * detect at runtime if being interpreted by a dynamic loader and if so
   avoid clobbering the fs register.
 2020-11-24 19:51:24 -07:00
LemonBoy
8ed7561422 std: Re-enable the use of O_EXLOCK/O_SHLOCK on macos 2020-11-24 10:23:54 +01:00
Jonathan Marler
a1fb10b766 fix for GCC 9.2: -Wno-maybe-uninitialized 2020-11-23 17:55:48 -08:00
Frank Denis
70c8cabb34 Update the minimum cmake version we require 
Recent versions of cmake complain about it:

<<
  CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
  Compatibility with CMake < 2.8.12 will be removed from a future version of
  CMake.
>>

We don't require anything from version 2.8.5, and version 2.8.12 was
released in 2011, so it is very unlikely that anyone still uses 2.8.5.
 2020-11-23 12:44:54 -08:00
LemonBoy
26d20e39fc std: Close dangling fd on error 
This patch was already submitted for openFileZ, createFileZ was left
unpatched.
 2020-11-23 18:00:05 +01:00
LemonBoy
0d4f05bb8a std: Remove O_NONBLOCK flag after locking 
We only need O_NONBLOCK when O_SHLOCK/O_EXLOCK are used and we don't
want open() to block, don't let this bit leak to the user fd.
 2020-11-23 18:00:05 +01:00
LemonBoy
f8ddc3d873 std: Fix file locking logic for BSD targets 2020-11-23 18:00:05 +01:00
Andrew Kelley
9d2fe1682f
Merge pull request #7204 from LemonBoy/piecrash 
Fix logic for detecting _DYNAMIC symbol
 2020-11-23 08:55:34 -08:00
LemonBoy
3e22077d46 Fix the ELF base calculation 
Find the effective ELF load address in dl_iterate_phdr by computing the
difference between the in-memory phdr and its p_vaddr specified in the
ELF file.

This makes the dl_iterate_phdr test pass and restores the stack traces.
 2020-11-23 15:06:07 +01:00
LemonBoy
0a84f85945 Minor code cleanup in start_pie.zig 
Thanks @daurnimator for catching this.
 2020-11-23 12:36:40 +01:00
LemonBoy
bfa7e5c743 Update stack_traces test 2020-11-23 12:36:03 +01:00
LemonBoy
560043dadf Fix logic for detecting _DYNAMIC symbol 
Prevent spurious crashes for non-PIE executables.
 2020-11-23 12:00:12 +01:00
Andrew Kelley
c7170e4a54 Support PIE (Position Independent Executables) 
Closes #4503
Revives #3960
Merges branch 'pie' into master
 2020-11-22 17:30:34 -07:00
Andrew Kelley
abc717f203 modernize the PIE patch for the latest master branch 
This is the part of #3960 that has to be rewritten to apply to latest
master branch code.
 2020-11-22 17:28:11 -07:00
Andrew Kelley
55ab50efbd Merge branch 'piepiepie' of https://github.com/LemonBoy/zig into pie 
Conflicts:
 lib/std/dynamic_library.zig (fixed in this commit)
 src/all_types.hpp
 src/codegen.cpp
 src/link.cpp
 src/main.cpp

Will manually apply the diffs to these deleted files to the new zig
code in a followup commit.
 2020-11-22 12:39:44 -07:00
Vexu
98d5bfbd4d
update grammar in langref 2020-11-22 21:30:09 +02:00
Žiga Željko
2fbe9519ac std: add support for ppoll 2020-11-21 14:06:04 -08:00
LemonBoy
a2e9554699 std: Add test for meta.declarations on opaque{} 2020-11-21 14:03:49 -08:00
Andrew Kelley
7dcda5b0e8
Merge pull request #7182 from LemonBoy/externnnn 
Initial implementation of @extern builtin
 2020-11-21 09:41:49 -08:00
LemonBoy
ccdaf946b9 Rename back to extern, extend a stage1 parser hack 
Make it recognize extern/export symbols prefixed by @ as a builtin
rather than stand-alone keywords.
 2020-11-21 09:48:21 +01:00
Andrew Kelley
bf0cc32aa6
Merge pull request #7165 from LemonBoy/ppc64final 
Make the PPC64 port usable
 2020-11-20 17:40:17 -08:00
Isaac Freund
8cf319d206 std/os: define and use dev_t for linux x86_64 2020-11-20 17:35:52 -08:00
Sébastien Marie
87eb498d89 openbsd: malloc_usable_size is unavailable on OpenBSD 2020-11-20 17:31:29 -08:00
Isaac Freund
f473b3e87c std/os: add time_t definiton for x86_64 linux 2020-11-20 17:23:43 -08:00
LemonBoy
6029114f84 stage1: Resolve usingnamespace decls when calling @typeInfo 
Closes #7176
 2020-11-20 17:01:23 -08:00
LemonBoy
9b7d9c72b0 stage1: Initial implementation of @extern 2020-11-20 22:32:43 +01:00
LemonBoy
2193bbfd93 Skip f16 to f128 conversion test for ppc64 
As for aarch64 we're waiting for LLVM to emit calls to the specific
builtins that implement this conversion.
 2020-11-20 08:38:11 +01:00
LemonBoy
f2b4e6b2e7 Better coverage in @splat tests 
Cover more common and uncommon cases.
 2020-11-20 08:38:10 +01:00
LemonBoy
9c5eea9f40 stage2: Use correct ppc generic feature set 2020-11-20 08:38:10 +01:00
LemonBoy
e374ae3598 std: Use newfstatat on PPC64 
One more variation in the syscall table, hooray!
 2020-11-20 08:38:10 +01:00
LemonBoy
4e2a4e194b std: Use correct clone() stub 
The previous clone() definition was written for 32bit PPC targets,
trying to execute it on a PPC64 machine lead to countless crashes.

Use the clone() definition kindly lifted from Musl libc.
 2020-11-20 08:38:10 +01:00
LemonBoy
3da6b1218a std: Implement named arguments & runtime width/precision 2020-11-20 08:36:47 +01:00
LemonBoy
6b39167fdc std: Rewrite the fmt parser 
Turn the FSM parser into a linear one so that's easier to implement new
features and/or more error checking without adding more and more states.
Functionally-speaking the two parsers are at feature parity.
 2020-11-20 08:36:10 +01:00
Andrew Kelley
73be59433f
Merge pull request #6928 from data-man/reduce_tests 
Add more tests for reduce
 2020-11-19 17:48:18 -08:00
Jakub Konka
c25cb39d17
Merge pull request #7160 from semarie/openbsd-getdents 
openbsd: getdents could return invalid entry with d_fileno==0
 2020-11-20 00:23:57 +01:00
Isaac Freund
a5691ee363 std.meta.declarations: support opaque {} 2020-11-19 15:04:38 -08:00
Andrew Kelley
473cb1fd74
Merge pull request #6390 from LemonBoy/reboot-3970 
std.fmt meets UTF-8
 2020-11-19 14:58:11 -08:00
LemonBoy
d526b0ffb0 std: Disable _only_ the flaky part of the ResetEvent test 
The remaining part is working just fine as it's not time-dependent.
 2020-11-19 15:46:20 -07:00
LemonBoy
8eaaa905f7
stage2: Make zig cc more verbose (#7166) 
* stage2: Make zig cc more verbose

Make `zig cc` print more info from Clang itself and from our own linker
invocation, this is needed for CMake to properly discover all the
include directories and library search paths.

Closes #7110

* Update `update_clang_options`

* Typo fixes

Co-authored-by: Jakub Konka <kubkon@jakubkonka.com>
 2020-11-19 23:30:16 +01:00
Andrew Kelley
647c6e0d09 tfw you can't even disable a test without getting the logic wrong 2020-11-19 13:28:54 -07:00
LemonBoy
60638f0c82 Nicer code for the error code path 2020-11-19 18:16:23 +01:00
Veikka Tuominen
cf819b95fe
Merge pull request #6829 from tadeokondrak/error-unsupported-callconv 
stage1: Compile error instead of falling back to C for unsupported cc
 2020-11-19 19:03:08 +02:00
Tadeo Kondrak
25ec2dbc1e Add builtin.Signedness, use it instead of is_signed 2020-11-19 18:59:21 +02:00
Sébastien Marie
b174942e6a openbsd, netbsd: getdents: entry with d_fileno==0 should be skipped 2020-11-19 13:55:46 +00:00
Sébastien Marie
7579ce180f Iterator: rename freebsd_entry to bsd_entry to reflect that nextBsd is not freebsd only 2020-11-19 13:54:47 +00:00
Sébastien Marie
ad2ff9e65d darwin: getdents: entry with d_ino==0 should be skipped 2020-11-19 13:54:29 +00:00
Vexu
3a28b659bd
add compile-error tests for unsupported calling convention 2020-11-19 14:25:46 +02:00
Tadeo Kondrak
51b362c350
stage1: Check calling convention correctly for subsystem detection 2020-11-19 14:18:35 +02:00