nixpkgs/pkgs/development/compilers/llvm/12/lldb/procfs.patch
Andrew Childs 7869d16545 llvmPackages: Multuple outputs for everythting
Also begin to start work on cross compilation, though that will have to
be finished later.

The patches are based on the first version of
https://reviews.llvm.org/D99484. It's very annoying to do the
back-porting but the review has uncovered nothing super major so I'm
fine sticking with what I've got.

Beyond making the outputs work, I also strove to re-sync the packages,
as they have been drifting pointlessly apart for some time.

----

Other misc notes, highly incomplete

- lvm-config-native and llvm-config are put in `dev` because they are
  tools just for build time.

- Clang no longer has an lld dep. That was introduced in
  db29857eb3, but if clang needs help
  finding lld when it is used we should just pass it flags / put in the
  resource dir. Providing it at build time increases critical path
  length for no good reason.

----

A note on `nativeCC`:

`stdenv` takes tools from the previous stage, so:

1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.stdenv.cc`: `(?0, ?1, x)`

while:

1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.targetPackages`: `(x, x, ?2)`
3. `pkgsBuildBuild.targetPackages.stdenv.cc`: `(?1, x, x)`
2021-04-30 05:41:00 +00:00

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Diff

--- a/source/Plugins/Process/Linux/Procfs.h
+++ b/source/Plugins/Process/Linux/Procfs.h
@@ -11,21 +11,12 @@
// sys/procfs.h on Android/Linux for all supported architectures.
#include <sys/ptrace.h>
+#include <asm/ptrace.h>
-#ifdef __ANDROID__
-#if defined(__arm64__) || defined(__aarch64__)
-typedef unsigned long elf_greg_t;
-typedef elf_greg_t
- elf_gregset_t[(sizeof(struct user_pt_regs) / sizeof(elf_greg_t))];
-typedef struct user_fpsimd_state elf_fpregset_t;
-#ifndef NT_FPREGSET
-#define NT_FPREGSET NT_PRFPREG
-#endif // NT_FPREGSET
-#elif defined(__mips__)
-#ifndef NT_FPREGSET
-#define NT_FPREGSET NT_PRFPREG
-#endif // NT_FPREGSET
-#endif
-#else // __ANDROID__
+#if !defined(__GLIBC__) && defined(__powerpc__)
+#define pt_regs musl_pt_regs
+#include <sys/procfs.h>
+#undef pt_regs
+#else
#include <sys/procfs.h>
-#endif // __ANDROID__
+#endif