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[pkgsrc/trunk]: pkgsrc/devel/lld lld: Sync local patches with merged and pend...



details:   https://anonhg.NetBSD.org/pkgsrc/rev/9fad84188c55
branches:  trunk
changeset: 403930:9fad84188c55
user:      kamil <kamil%pkgsrc.org@localhost>
date:      Sun Nov 03 12:10:29 2019 +0000

description:
lld: Sync local patches with merged and pending patches upstream

Cherry-pick upstream patch commit 2a0fcae3d4d1fd85d6ae8378d7c6f12430c0087d
[lld] [ELF] Add '-z nognustack' opt to suppress emitting PT_GNU_STAC dummy option for an AArch64 erratum.

[LLD] Add NetBSD support as a new flavor of LLD (nb.lld)
https://reviews.llvm.org/D69755

Clang >=clang-9.0.0nb3 is required.

diffstat:

 devel/lld/Makefile                           |    4 +-
 devel/lld/PLIST                              |    3 +-
 devel/lld/distinfo                           |   21 +-
 devel/lld/patches/patch-CMakeLists.txt       |   17 +-
 devel/lld/patches/patch-ELF_Arch_AArch64.cpp |   22 --
 devel/lld/patches/patch-ELF_Config.h         |   42 +----
 devel/lld/patches/patch-ELF_Driver.cpp       |  201 +-------------------------
 devel/lld/patches/patch-ELF_Options.td       |   20 +--
 devel/lld/patches/patch-ELF_Writer.cpp       |    6 +-
 devel/lld/patches/patch-docs_ld.lld.1        |   11 +-
 devel/lld/patches/patch-test_ELF_gnustack.s  |   10 +-
 11 files changed, 66 insertions(+), 291 deletions(-)

diffs (truncated from 543 to 300 lines):

diff -r dff41f94d73b -r 9fad84188c55 devel/lld/Makefile
--- a/devel/lld/Makefile        Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/Makefile        Sun Nov 03 12:10:29 2019 +0000
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.10 2019/10/24 11:52:21 tnn Exp $
+# $NetBSD: Makefile,v 1.11 2019/11/03 12:10:29 kamil Exp $
 
 DISTNAME=      lld-9.0.0.src
 PKGNAME=       ${DISTNAME:S/.src//}
-PKGREVISION=   2
+PKGREVISION=   3
 CATEGORIES=    devel
 MASTER_SITES=  http://releases.llvm.org/${PKGVERSION_NOREV}/
 EXTRACT_SUFX=  .tar.xz
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/PLIST
--- a/devel/lld/PLIST   Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/PLIST   Sun Nov 03 12:10:29 2019 +0000
@@ -1,8 +1,9 @@
-@comment $NetBSD: PLIST,v 1.2 2019/10/19 14:01:36 adam Exp $
+@comment $NetBSD: PLIST,v 1.3 2019/11/03 12:10:29 kamil Exp $
 bin/ld.lld
 bin/ld64.lld
 bin/lld
 bin/lld-link
+bin/nb.lld
 bin/wasm-ld
 include/lld/Common/Args.h
 include/lld/Common/Driver.h
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/distinfo
--- a/devel/lld/distinfo        Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/distinfo        Sun Nov 03 12:10:29 2019 +0000
@@ -1,14 +1,17 @@
-$NetBSD: distinfo,v 1.6 2019/10/21 22:07:58 rjs Exp $
+$NetBSD: distinfo,v 1.7 2019/11/03 12:10:29 kamil Exp $
 
 SHA1 (lld-9.0.0.src.tar.xz) = 021a8c38cf27d63db37d939c7cdec46ffd627be2
 RMD160 (lld-9.0.0.src.tar.xz) = d46b068f4de55d174be71e061aa38f7d4d1499dc
 SHA512 (lld-9.0.0.src.tar.xz) = bc4812232840ef5edbd8edf1d1a329e85a4bfd3a7859fe322e11dd053435e722c6f1140a718fd2b3524ee9783a357178d2ba30d12519847bd3acc294698007f3
 Size (lld-9.0.0.src.tar.xz) = 1100608 bytes
-SHA1 (patch-CMakeLists.txt) = df8e32f5f23bf2f2615a891177f61dc65359e955
-SHA1 (patch-ELF_Arch_AArch64.cpp) = 45eb8f69b92f8ba764372993363dbce88b50a310
-SHA1 (patch-ELF_Config.h) = 760658ef2d90e8d44ae6c1ef76a183613f445264
-SHA1 (patch-ELF_Driver.cpp) = eaf5a3cd01a82421205831dce86db92bfb4001bc
-SHA1 (patch-ELF_Options.td) = 8e228dee43511efc7fd6107e817288067c393145
-SHA1 (patch-ELF_Writer.cpp) = 210b0a8b60885456cb037d9925c504874efd0e35
-SHA1 (patch-docs_ld.lld.1) = a6865d0099216094422aede3d65f43ee6fee22fe
-SHA1 (patch-test_ELF_gnustack.s) = 22f5eb19e588cc0c1055fd932d7a7b22ecd70e20
+SHA1 (patch-CMakeLists.txt) = 87d32f66488541ba68e219f5fa83646b48bf9c71
+SHA1 (patch-ELF_Config.h) = 6ad0642b602f1bdfead45e3e3d71e9718fdd80b5
+SHA1 (patch-ELF_Driver.cpp) = 113705d763af35635ee69e127c9c757c9d0c2597
+SHA1 (patch-ELF_Options.td) = 22a1f293681b86a9aac87624efcfeeb20a4ba51c
+SHA1 (patch-ELF_Writer.cpp) = 8c2d794885826a153b3ec6fa3149093036b98750
+SHA1 (patch-docs_ld.lld.1) = c2d156d3d7af6de195f9c2f3eceb978d65c8d883
+SHA1 (patch-test_ELF_gnustack.s) = 58eb43e952a85bb8f2cb7a665a625164ee564dd2
+SHA1 (patch-tools_lld_lld.cpp) = bc3662191bf6e50c808d188707c9abfdb4786dbf
+SHA1 (patch-tools_nb.lld_CMakeLists.txt) = 231ed112512d23001a8e9d1d1821838a483c2e37
+SHA1 (patch-tools_nb.lld_Options.td) = d56ff977f24d97eda30f10aae5818c618b3c7915
+SHA1 (patch-tools_nb.lld_nb.lld.cpp) = 11a69572b0ec28b9de576249bf3217acdcebee22
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/patches/patch-CMakeLists.txt
--- a/devel/lld/patches/patch-CMakeLists.txt    Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/patches/patch-CMakeLists.txt    Sun Nov 03 12:10:29 2019 +0000
@@ -1,12 +1,15 @@
-$NetBSD: patch-CMakeLists.txt,v 1.1 2019/02/01 16:30:00 mgorny Exp $
+$NetBSD: patch-CMakeLists.txt,v 1.2 2019/11/03 12:10:29 kamil Exp $
 
 LLD 7.0.1 is incompatible with gtest version in pkgsrc.  Remove
 the condition that prevents it from building its own copy when system
 version is installed.
 
---- CMakeLists.txt.orig        2017-11-17 18:14:09.000000000 +0000
+[LLD] Add NetBSD support as a new flavor of LLD (nb.lld)
+https://reviews.llvm.org/D69755
+
+--- CMakeLists.txt.orig        2019-08-26 12:32:18.000000000 +0000
 +++ CMakeLists.txt
-@@ -86,7 +86,6 @@ Please install Python or specify the PYT
+@@ -85,7 +85,6 @@ Please install Python or specify the PYT
        endif()
        set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
        if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
@@ -14,3 +17,11 @@
            AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
          add_subdirectory(${UNITTEST_DIR} utils/unittest)
        endif()
+@@ -212,6 +211,7 @@ endif()
+ add_subdirectory(Common)
+ add_subdirectory(lib)
+ add_subdirectory(tools/lld)
++add_subdirectory(tools/nb.lld)
+ 
+ if (LLVM_INCLUDE_TESTS)
+   add_subdirectory(test)
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/patches/patch-ELF_Arch_AArch64.cpp
--- a/devel/lld/patches/patch-ELF_Arch_AArch64.cpp      Sun Nov 03 12:04:12 2019 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,22 +0,0 @@
-$NetBSD: patch-ELF_Arch_AArch64.cpp,v 1.1 2019/10/21 22:07:58 rjs Exp $
-
-Set correct base address on NetBSD.
-
---- ELF/Arch/AArch64.cpp.orig  2019-07-16 05:50:45.000000000 +0000
-+++ ELF/Arch/AArch64.cpp
-@@ -66,9 +66,12 @@ AArch64::AArch64() {
-   pltHeaderSize = 32;
-   defaultMaxPageSize = 65536;
- 
--  // Align to the 2 MiB page size (known as a superpage or huge page).
--  // FreeBSD automatically promotes 2 MiB-aligned allocations.
--  defaultImageBase = 0x200000;
-+  if (config->targetTriple.isOSNetBSD())
-+    defaultImageBase = 0x200100000;
-+  else
-+    // Align to the 2 MiB page size (known as a superpage or huge page).
-+    // FreeBSD automatically promotes 2 MiB-aligned allocations.
-+    defaultImageBase = 0x200000;
- 
-   needsThunks = true;
- }
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/patches/patch-ELF_Config.h
--- a/devel/lld/patches/patch-ELF_Config.h      Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/patches/patch-ELF_Config.h      Sun Nov 03 12:10:29 2019 +0000
@@ -1,24 +1,13 @@
-$NetBSD: patch-ELF_Config.h,v 1.4 2019/10/21 22:07:58 rjs Exp $
+$NetBSD: patch-ELF_Config.h,v 1.5 2019/11/03 12:10:29 kamil Exp $
 
-Add support for customizing LLD behavior on target triple.
-https://reviews.llvm.org/D56650
-
-Add '-z nognustack' option to disable emitting PT_GNU_STACK.
-https://reviews.llvm.org/D56554
+Cherry-pick upstream patch commit 2a0fcae3d4d1fd85d6ae8378d7c6f12430c0087d
+[lld] [ELF] Add '-z nognustack' opt to suppress emitting PT_GNU_STAC dummy option for an AArch64 erratum.
 
 Add dummy option for an AArch64 erratum.
 
 --- ELF/Config.h.orig  2019-07-16 05:50:45.000000000 +0000
 +++ ELF/Config.h
-@@ -13,6 +13,7 @@
- #include "llvm/ADT/MapVector.h"
- #include "llvm/ADT/StringRef.h"
- #include "llvm/ADT/StringSet.h"
-+#include "llvm/ADT/Triple.h"
- #include "llvm/BinaryFormat/ELF.h"
- #include "llvm/Support/CachePruning.h"
- #include "llvm/Support/CodeGen.h"
-@@ -61,6 +62,9 @@ enum class Target2Policy { Abs, Rel, Got
+@@ -61,6 +61,9 @@ enum class Target2Policy { Abs, Rel, Got
  // For tracking ARM Float Argument PCS
  enum class ARMVFPArgKind { Default, Base, VFP, ToolChain };
  
@@ -28,7 +17,7 @@
  struct SymbolVersion {
    llvm::StringRef name;
    bool isExternCpp;
-@@ -146,6 +150,7 @@ struct Configuration {
+@@ -146,6 +149,7 @@ struct Configuration {
    bool enableNewDtags;
    bool executeOnly;
    bool exportDynamic;
@@ -36,15 +25,7 @@
    bool fixCortexA53Errata843419;
    bool forceBTI;
    bool formatBinary = false;
-@@ -206,6 +211,7 @@ struct Configuration {
-   bool zNodefaultlib;
-   bool zNodelete;
-   bool zNodlopen;
-+  bool zNognustack;
-   bool zNow;
-   bool zOrigin;
-   bool zRelro;
-@@ -214,6 +220,7 @@ struct Configuration {
+@@ -214,6 +218,7 @@ struct Configuration {
    bool zRetpolineplt;
    bool zWxneeded;
    DiscardPolicy discard;
@@ -52,14 +33,3 @@
    ICFLevel icf;
    OrphanHandlingPolicy orphanHandling;
    SortSectionPolicy sortSection;
-@@ -304,6 +311,10 @@ struct Configuration {
- 
-   // 4 for ELF32, 8 for ELF64.
-   int wordsize;
-+
-+  // Target triple, inferred from program name or defaulted to LLVM
-+  // default target.
-+  llvm::Triple targetTriple;
- };
- 
- // The only instance of Configuration struct.
diff -r dff41f94d73b -r 9fad84188c55 devel/lld/patches/patch-ELF_Driver.cpp
--- a/devel/lld/patches/patch-ELF_Driver.cpp    Sun Nov 03 12:04:12 2019 +0000
+++ b/devel/lld/patches/patch-ELF_Driver.cpp    Sun Nov 03 12:10:29 2019 +0000
@@ -1,48 +1,22 @@
-$NetBSD: patch-ELF_Driver.cpp,v 1.5 2019/10/21 22:07:58 rjs Exp $
-
-Add support for customizing LLD behavior on target triple.
-https://reviews.llvm.org/D56650
-
-Add '-z nognustack' option to disable emitting PT_GNU_STACK.
-https://reviews.llvm.org/D56554
+$NetBSD: patch-ELF_Driver.cpp,v 1.6 2019/11/03 12:10:29 kamil Exp $
 
-Alter defaults for NetBSD targets:
-* add default library search paths
-* force combined RO+RW segment due to ld.elf_so limitations
-* disable PT_GNU_STACK (meaningless on NetBSD)
-* disable 'new dtags', i.e. force RPATH instead of RUNPATH
+Cherry-pick upstream patch commit 2a0fcae3d4d1fd85d6ae8378d7c6f12430c0087d
+[lld] [ELF] Add '-z nognustack' opt to suppress emitting PT_GNU_STAC dummy option for an AArch64 erratum.    
 
-Add dummy handler for an AArch64 erratum.
+Add dummy option for an AArch64 erratum.
 
 --- ELF/Driver.cpp.orig        2019-07-17 14:54:02.000000000 +0000
 +++ ELF/Driver.cpp
-@@ -54,6 +54,7 @@
- #include "llvm/Support/LEB128.h"
- #include "llvm/Support/Path.h"
- #include "llvm/Support/TarWriter.h"
-+#include "llvm/Support/TargetRegistry.h"
- #include "llvm/Support/TargetSelect.h"
- #include "llvm/Support/raw_ostream.h"
- #include <cstdlib>
-@@ -73,6 +74,8 @@ LinkerDriver *elf::driver;
- 
- static void setConfigs(opt::InputArgList &args);
- static void readConfigs(opt::InputArgList &args);
-+static void appendDefaultSearchPaths(void);
-+static void setTargetTriple(StringRef argv0, opt::InputArgList &args);
- 
- bool elf::link(ArrayRef<const char *> args, bool canExitEarly,
-                raw_ostream &error) {
-@@ -129,7 +132,7 @@ static std::tuple<ELFKind, uint16_t, uin
+@@ -129,7 +129,7 @@ static std::tuple<ELFKind, uint16_t, uin
    std::pair<ELFKind, uint16_t> ret =
        StringSwitch<std::pair<ELFKind, uint16_t>>(s)
            .Cases("aarch64elf", "aarch64linux", "aarch64_elf64_le_vec",
 -                 {ELF64LEKind, EM_AARCH64})
-+               "aarch64nbsd", {ELF64LEKind, EM_AARCH64})
++                 "aarch64nbsd", {ELF64LEKind, EM_AARCH64})
            .Cases("armelf", "armelf_linux_eabi", {ELF32LEKind, EM_ARM})
            .Case("elf32_x86_64", {ELF32LEKind, EM_X86_64})
            .Cases("elf32btsmip", "elf32btsmipn32", {ELF32BEKind, EM_MIPS})
-@@ -296,6 +299,9 @@ static void checkOptions() {
+@@ -296,6 +296,9 @@ static void checkOptions() {
    if (config->emachine == EM_MIPS && config->gnuHash)
      error("the .gnu.hash section is not compatible with the MIPS target");
  
@@ -52,17 +26,7 @@
    if (config->fixCortexA53Errata843419 && config->emachine != EM_AARCH64)
      error("--fix-cortex-a53-843419 is only supported on AArch64 targets");
  
-@@ -336,6 +342,9 @@ static void checkOptions() {
- 
-     if (config->singleRoRx && !script->hasSectionsCommand)
-       error("-execute-only and -no-rosegment cannot be used together");
-+  } else if (config->targetTriple.isOSNetBSD()) {
-+    // force-disable RO segment on NetBSD due to ld.elf_so limitations
-+    config->singleRoRx = true;
-   }
- 
-   if (config->zRetpolineplt && config->requireCET)
-@@ -373,6 +382,20 @@ static bool getZFlag(opt::InputArgList &
+@@ -373,6 +376,20 @@ static bool getZFlag(opt::InputArgList &
    return Default;
  }
  
@@ -83,147 +47,15 @@
  static bool isKnownZFlag(StringRef s) {
    return s == "combreloc" || s == "copyreloc" || s == "defs" ||
           s == "execstack" || s == "global" || s == "hazardplt" ||
-@@ -380,6 +403,7 @@ static bool isKnownZFlag(StringRef s) {
+@@ -380,6 +397,7 @@ static bool isKnownZFlag(StringRef s) {
           s == "keep-text-section-prefix" || s == "lazy" || s == "muldefs" ||
           s == "nocombreloc" || s == "nocopyreloc" || s == "nodefaultlib" ||
           s == "nodelete" || s == "nodlopen" || s == "noexecstack" ||
-+       s == "nognustack" ||
++         s == "nognustack" ||
           s == "nokeep-text-section-prefix" || s == "norelro" || s == "notext" ||
           s == "now" || s == "origin" || s == "relro" || s == "retpolineplt" ||
           s == "rodynamic" || s == "text" || s == "wxneeded" ||
-@@ -394,6 +418,56 @@ static void checkZOptions(opt::InputArgL
-       error("unknown -z value: " + StringRef(arg->getValue()));
- }
- 
-+static void appendDefaultSearchPaths() {
-+  if (config->targetTriple.isOSNetBSD()) {
-+    // NetBSD driver relies on the linker knowing the default search paths.
-+    // Please keep this in sync with clang/lib/Driver/ToolChains/NetBSD.cpp
-+    // (NetBSD::NetBSD constructor)
-+    switch (config->targetTriple.getArch()) {
-+    case llvm::Triple::x86:
-+      config->searchPaths.push_back("=/usr/lib/i386");
-+      break;
-+    case llvm::Triple::arm:
-+    case llvm::Triple::armeb:
-+    case llvm::Triple::thumb:
-+    case llvm::Triple::thumbeb:



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