patchelf: if targetPlatform.isMips: apply patchelf/pull/380
This PR applies the patches which fix a MIPS-specific bug in patchelf. The patches are applied only if targetPlatform.isMips in order to: 1. Not cause a mass-rebuild on the mainstream platforms 2. Make this PR acceptable for inclusion in `master` rather than `staging`. This is the very last commit needed in order for Hydra to be able to produce a bootstrap-files tarball for mips64el (the other one is in `staging-next`). This PR can be reverted after the next release of patchelf lands in nixpkgs.
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parent
d83c9aaf15
commit
12618e7986
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@ -15,6 +15,16 @@ stdenv.mkDerivation rec {
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};
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strictDeps = true;
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patches =
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# This patch fixes a MIPS-specific bug in patchelf; we want Hydra
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# to generate a bootstrap-files tarball for MIPS that includes
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# this fix. The patches below can be dropped on the next version bump.
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lib.optionals stdenv.targetPlatform.isMips [
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# https://github.com/NixOS/patchelf/pull/380
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./patches/380.patch
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];
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setupHook = [ ./setup-hook.sh ];
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enableParallelBuilding = true;
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90
pkgs/development/tools/misc/patchelf/patches/380.patch
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90
pkgs/development/tools/misc/patchelf/patches/380.patch
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@ -0,0 +1,90 @@
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From 8db45c6a0c1a4dbbd492ac7fb59c1bca9460fe3e Mon Sep 17 00:00:00 2001
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From: Adam Joseph <adam@westernsemico.com>
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Date: Sat, 18 Jun 2022 21:45:22 -0700
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Subject: [PATCH 1/3] elf.h: resynchronize with glibc elf.h
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This commit adds two symbols (SHT_MIPS_XHASH and DT_MIPS_XHASH) found
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in glibc, and updates the value of DT_MIPS_NUM. These changes were
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made to glibc in 23c1c256ae7b0f010d0fcaff60682b620887b164 on
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29-Aug-2019.
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---
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src/elf.h | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/elf.h b/src/elf.h
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index b3e567c3..702f2e60 100644
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--- a/src/elf.h
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+++ b/src/elf.h
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@@ -1400,6 +1400,7 @@ typedef struct
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#define SHT_MIPS_EH_REGION 0x70000027
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#define SHT_MIPS_XLATE_OLD 0x70000028
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#define SHT_MIPS_PDR_EXCEPTION 0x70000029
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+#define SHT_MIPS_XHASH 0x7000002b
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/* Legal values for sh_flags field of Elf32_Shdr. */
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@@ -1647,7 +1648,9 @@ typedef struct
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in a PIE as it stores a relative offset from the address of the tag
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rather than an absolute address. */
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#define DT_MIPS_RLD_MAP_REL 0x70000035
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-#define DT_MIPS_NUM 0x36
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+/* GNU-style hash table with xlat. */
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+#define DT_MIPS_XHASH 0x70000036
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+#define DT_MIPS_NUM 0x37
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/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */
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From 820da7be8d1e1a49c4831dcb3800ed3b9f11e8a6 Mon Sep 17 00:00:00 2001
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From: Adam Joseph <adam@westernsemico.com>
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Date: Sat, 18 Jun 2022 21:49:14 -0700
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Subject: [PATCH 2/3] patchelf.cc: handle DT_MIPS_XHASH and .MIPS.xhash
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glibc changed their ABI in commit
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23c1c256ae7b0f010d0fcaff60682b620887b164 on 2019-Aug-29, by changing
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the structure of the .gnu.hash data on MIPS and moving it to a
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different section. We need to adapt to this change by glibc.
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Closes #368
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---
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src/patchelf.cc | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/patchelf.cc b/src/patchelf.cc
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index 6882b288..08585139 100644
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--- a/src/patchelf.cc
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+++ b/src/patchelf.cc
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@@ -990,6 +990,10 @@ void ElfFile<ElfFileParamNames>::rewriteHeaders(Elf_Addr phdrAddress)
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// some binaries might this section stripped
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// in which case we just ignore the value.
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if (shdr) dyn->d_un.d_ptr = (*shdr).get().sh_addr;
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+ } else if (d_tag == DT_MIPS_XHASH) {
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+ // the .MIPS.xhash section was added to the glibc-ABI
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+ // in commit 23c1c256ae7b0f010d0fcaff60682b620887b164
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+ dyn->d_un.d_ptr = findSectionHeader(".MIPS.xhash").sh_addr;
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} else if (d_tag == DT_JMPREL) {
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auto shdr = tryFindSectionHeader(".rel.plt");
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if (!shdr) shdr = tryFindSectionHeader(".rela.plt");
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From 7b155fda3105ceca5643cacbdd4207c4c4c59cf5 Mon Sep 17 00:00:00 2001
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From: Adam Joseph <adam@westernsemico.com>
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Date: Sat, 18 Jun 2022 22:44:04 -0700
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Subject: [PATCH 3/3] formatting: fix incorrect indentation in previous commit
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---
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src/patchelf.cc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/patchelf.cc b/src/patchelf.cc
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index 08585139..402b2bed 100644
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--- a/src/patchelf.cc
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+++ b/src/patchelf.cc
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@@ -990,7 +990,7 @@ void ElfFile<ElfFileParamNames>::rewriteHeaders(Elf_Addr phdrAddress)
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// some binaries might this section stripped
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// in which case we just ignore the value.
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if (shdr) dyn->d_un.d_ptr = (*shdr).get().sh_addr;
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- } else if (d_tag == DT_MIPS_XHASH) {
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+ } else if (d_tag == DT_MIPS_XHASH) {
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// the .MIPS.xhash section was added to the glibc-ABI
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// in commit 23c1c256ae7b0f010d0fcaff60682b620887b164
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dyn->d_un.d_ptr = findSectionHeader(".MIPS.xhash").sh_addr;
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