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Author SHA1 Message Date
Jakub Konka
be0d5571d2 stage2 macho: revert required alignment always at 4 2020-11-26 11:50:09 +01:00
Jakub Konka
e8dd62accd stage2 macho: fix incorrect rebase 2020-11-26 11:50:09 +01:00
Jakub Konka
2972f630a4 stage2 macho: start reverting some tweaks 2020-11-26 11:50:09 +01:00
Jakub Konka
4e3520a2f7 stage2 macho: make page size target cpu arch dependent 2020-11-26 11:50:09 +01:00
Jakub Konka
8450e6f156 stage2 macho: pages need to be 16kb aligned! 2020-11-26 11:50:09 +01:00
Jakub Konka
4a3d757f3e stage2 MachO: reduce size of __TEXT segment 2020-11-26 11:50:09 +01:00
Jakub Konka
7a407246ed stage2 MachO: remove discontinuities between segments 2020-11-26 11:50:09 +01:00
Jakub Konka
6ac7e99dad Write local symbols when flushing 2020-11-26 11:50:09 +01:00
Jakub Konka
b3fdfe5ca0 stage2 MachO: clean up segment protection flags 2020-11-26 11:50:09 +01:00
Jakub Konka
7dd5ce2527 stage2 macOS: make exe flagged as pie 2020-11-26 11:50:09 +01:00
Jakub Konka
1bec531cf2 stage2 MachO: add source version load cmd 2020-11-26 11:50:09 +01:00
Jakub Konka
72310db1da stage2 MachO: add min OS version load cmd 2020-11-26 11:50:09 +01:00
Isaac Freund
58365c4e79 std/os: fix prctl constants 2020-11-25 15:45:55 -08:00
Andrew Kelley
a06afa4579
Merge pull request #6411 from LemonBoy/fff 
More std.fmt goodness
 2020-11-25 15:43:19 -08:00
daurnimator
b7b3c1dfae std: use mem.asBytes in Ip4Address.parse so it works at comptime 2020-11-25 15:40:46 -08:00
Frank Denis
83abb32247 std/crypto - edwards25519 precomp: prefer doublings over adds 
Doublings are a little bit faster than additions, so use them half
the time during precomputations.
 2020-11-25 15:37:43 -08:00
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
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
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