Merge pull request #2892 from ziglang/install-with-zig-build

move some of the installation from cmake to zig build

3 files changed, 493 insertions, 0 deletions

diff --git a/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h b/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h
new file mode 100644
index 0000000000..cf05edb11d
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/sys/ptrace.h
@@ -0,0 +1,253 @@
+/* `ptrace' debugger support interface.  Linux/PowerPC version.
+   Copyright (C) 2001-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H	1
+
+#include <features.h>
+#include <bits/types.h>
+
+__BEGIN_DECLS
+
+#if defined _LINUX_PTRACE_H || defined _ASM_POWERPC_PTRACE_H
+/* Do not let Linux headers macros interfere with enum __ptrace_request.  */
+# undef PTRACE_ATTACH
+# undef PTRACE_CONT
+# undef PTRACE_DETACH
+# undef PTRACE_GET_DEBUGREG
+# undef PTRACE_GETEVENTMSG
+# undef PTRACE_GETEVRREGS
+# undef PTRACE_GETFPREGS
+# undef PTRACE_GETREGS
+# undef PTRACE_GETREGS64
+# undef PTRACE_GETREGSET
+# undef PTRACE_GETSIGINFO
+# undef PTRACE_GETSIGMASK
+# undef PTRACE_GETVRREGS
+# undef PTRACE_GETVSRREGS
+# undef PTRACE_INTERRUPT
+# undef PTRACE_KILL
+# undef PTRACE_LISTEN
+# undef PTRACE_PEEKDATA
+# undef PTRACE_PEEKSIGINFO
+# undef PTRACE_PEEKTEXT
+# undef PTRACE_POKEDATA
+# undef PTRACE_POKETEXT
+# undef PTRACE_SECCOMP_GET_FILTER
+# undef PTRACE_SECCOMP_GET_METADATA
+# undef PTRACE_SEIZE
+# undef PTRACE_SET_DEBUGREG
+# undef PTRACE_SETEVRREGS
+# undef PTRACE_SETFPREGS
+# undef PTRACE_SETOPTIONS
+# undef PTRACE_SETREGS
+# undef PTRACE_SETREGS64
+# undef PTRACE_SETREGSET
+# undef PTRACE_SETSIGINFO
+# undef PTRACE_SETSIGMASK
+# undef PTRACE_SETVRREGS
+# undef PTRACE_SETVSRREGS
+# undef PTRACE_SINGLEBLOCK
+# undef PTRACE_SINGLESTEP
+# undef PTRACE_SYSCALL
+# undef PTRACE_TRACEME
+#endif
+
+/* Type of the REQUEST argument to `ptrace.'  */
+enum __ptrace_request
+{
+  /* Indicate that the process making this request should be traced.
+     All signals received by this process can be intercepted by its
+     parent, and its parent can use the other `ptrace' requests.  */
+  PTRACE_TRACEME = 0,
+#define PT_TRACE_ME PTRACE_TRACEME
+
+  /* Return the word in the process's text space at address ADDR.  */
+  PTRACE_PEEKTEXT = 1,
+#define PT_READ_I PTRACE_PEEKTEXT
+
+  /* Return the word in the process's data space at address ADDR.  */
+  PTRACE_PEEKDATA = 2,
+#define PT_READ_D PTRACE_PEEKDATA
+
+  /* Return the word in the process's user area at offset ADDR.  */
+  PTRACE_PEEKUSER = 3,
+#define PT_READ_U PTRACE_PEEKUSER
+
+  /* Write the word DATA into the process's text space at address ADDR.  */
+  PTRACE_POKETEXT = 4,
+#define PT_WRITE_I PTRACE_POKETEXT
+
+  /* Write the word DATA into the process's data space at address ADDR.  */
+  PTRACE_POKEDATA = 5,
+#define PT_WRITE_D PTRACE_POKEDATA
+
+  /* Write the word DATA into the process's user area at offset ADDR.  */
+  PTRACE_POKEUSER = 6,
+#define PT_WRITE_U PTRACE_POKEUSER
+
+  /* Continue the process.  */
+  PTRACE_CONT = 7,
+#define PT_CONTINUE PTRACE_CONT
+
+  /* Kill the process.  */
+  PTRACE_KILL = 8,
+#define PT_KILL PTRACE_KILL
+
+  /* Single step the process.  */
+  PTRACE_SINGLESTEP = 9,
+#define PT_STEP PTRACE_SINGLESTEP
+
+  /* Get all general purpose registers used by a process.  */
+  PTRACE_GETREGS = 12,
+#define PT_GETREGS PTRACE_GETREGS
+
+  /* Set all general purpose registers used by a process.  */
+  PTRACE_SETREGS = 13,
+#define PT_SETREGS PTRACE_SETREGS
+
+  /* Get all floating point registers used by a process.  */
+  PTRACE_GETFPREGS = 14,
+#define PT_GETFPREGS PTRACE_GETFPREGS
+
+  /* Set all floating point registers used by a process.  */
+  PTRACE_SETFPREGS = 15,
+#define PT_SETFPREGS PTRACE_SETFPREGS
+
+  /* Attach to a process that is already running. */
+  PTRACE_ATTACH = 16,
+#define PT_ATTACH PTRACE_ATTACH
+
+  /* Detach from a process attached to with PTRACE_ATTACH.  */
+  PTRACE_DETACH = 17,
+#define PT_DETACH PTRACE_DETACH
+
+  /* Get all altivec registers used by a process.  */
+  PTRACE_GETVRREGS = 18,
+#define PT_GETVRREGS PTRACE_GETVRREGS
+
+  /* Set all altivec registers used by a process.  */
+  PTRACE_SETVRREGS = 19,
+#define PT_SETVRREGS PTRACE_SETVRREGS
+
+  /* Get all SPE registers used by a process.  */
+  PTRACE_GETEVRREGS = 20,
+#define PT_GETEVRREGS PTRACE_GETEVRREGS
+
+  /* Set all SPE registers used by a process.  */
+  PTRACE_SETEVRREGS = 21,
+#define PT_SETEVRREGS PTRACE_SETEVRREGS
+
+  /* Same as PTRACE_GETREGS except a 32-bit process will obtain
+     the full 64-bit registers.  Implemented by 64-bit kernels only.  */
+  PTRACE_GETREGS64 = 22,
+#define PT_GETREGS64 PTRACE_GETREGS64
+
+  /* Same as PTRACE_SETREGS except a 32-bit process will set
+     the full 64-bit registers.  Implemented by 64-bit kernels only.  */
+  PTRACE_SETREGS64 = 23,
+#define PT_SETREGS64 PTRACE_SETREGS64
+
+  /* Continue and stop at the next entry to or return from syscall.  */
+  PTRACE_SYSCALL = 24,
+#define PT_SYSCALL PTRACE_SYSCALL
+
+  /* Get a debug register of a process.  */
+  PTRACE_GET_DEBUGREG = 25,
+#define PT_GET_DEBUGREG PTRACE_GET_DEBUGREG
+
+  /* Set a debug register of a process.  */
+  PTRACE_SET_DEBUGREG = 26,
+#define PT_SET_DEBUGREG PTRACE_SET_DEBUGREG
+
+  /* Get the first 32 VSX registers of a process.  */
+  PTRACE_GETVSRREGS = 27,
+#define PT_GETVSRREGS PTRACE_GETVSRREGS
+
+  /* Set the first 32 VSX registers of a process.  */
+  PTRACE_SETVSRREGS = 28,
+#define PT_SETVSRREGS PTRACE_SETVSRREGS
+
+  /* Execute process until next taken branch.  */
+  PTRACE_SINGLEBLOCK = 256,
+#define PT_STEPBLOCK PTRACE_SINGLEBLOCK
+
+  /* Set ptrace filter options.  */
+  PTRACE_SETOPTIONS = 0x4200,
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+
+  /* Get last ptrace message.  */
+  PTRACE_GETEVENTMSG = 0x4201,
+#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
+
+  /* Get siginfo for process.  */
+  PTRACE_GETSIGINFO = 0x4202,
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+
+  /* Set new siginfo for process.  */
+  PTRACE_SETSIGINFO = 0x4203,
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
+
+  /* Get register content.  */
+  PTRACE_GETREGSET = 0x4204,
+#define PTRACE_GETREGSET PTRACE_GETREGSET
+
+  /* Set register content.  */
+  PTRACE_SETREGSET = 0x4205,
+#define PTRACE_SETREGSET PTRACE_SETREGSET
+
+  /* Like PTRACE_ATTACH, but do not force tracee to trap and do not affect
+     signal or group stop state.  */
+  PTRACE_SEIZE = 0x4206,
+#define PTRACE_SEIZE PTRACE_SEIZE
+
+  /* Trap seized tracee.  */
+  PTRACE_INTERRUPT = 0x4207,
+#define PTRACE_INTERRUPT PTRACE_INTERRUPT
+
+  /* Wait for next group event.  */
+  PTRACE_LISTEN = 0x4208,
+#define PTRACE_LISTEN PTRACE_LISTEN
+
+  /* Retrieve siginfo_t structures without removing signals from a queue.  */
+  PTRACE_PEEKSIGINFO = 0x4209,
+#define PTRACE_PEEKSIGINFO PTRACE_PEEKSIGINFO
+
+  /* Get the mask of blocked signals.  */
+  PTRACE_GETSIGMASK = 0x420a,
+#define PTRACE_GETSIGMASK PTRACE_GETSIGMASK
+
+  /* Change the mask of blocked signals.  */
+  PTRACE_SETSIGMASK = 0x420b,
+#define PTRACE_SETSIGMASK PTRACE_SETSIGMASK
+
+  /* Get seccomp BPF filters.  */
+  PTRACE_SECCOMP_GET_FILTER = 0x420c,
+#define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
+
+  /* Get seccomp BPF filter metadata.  */
+  PTRACE_SECCOMP_GET_METADATA = 0x420d
+#define PTRACE_SECCOMP_GET_METADATA PTRACE_SECCOMP_GET_METADATA
+};
+
+
+#include <bits/ptrace-shared.h>
+
+__END_DECLS
+
+#endif /* _SYS_PTRACE_H */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h b/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h
new file mode 100644
index 0000000000..6655e12509
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/sys/ucontext.h
@@ -0,0 +1,200 @@
+/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/types/stack_t.h>
+
+
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
+struct __ctx(pt_regs);
+
+#if __WORDSIZE == 32
+
+/* Number of general registers.  */
+# define __NGREG	48
+# ifdef __USE_MISC
+#  define NGREG	__NGREG
+# endif
+
+/* Container for all general registers.  */
+typedef unsigned long gregset_t[__NGREG];
+
+/* Container for floating-point registers and status */
+typedef struct _libc_fpstate
+{
+	double __ctx(fpregs)[32];
+	double __ctx(fpscr);
+	unsigned int _pad[2];
+} fpregset_t;
+
+/* Container for Altivec/VMX registers and status.
+   Needs to be aligned on a 16-byte boundary. */
+typedef struct _libc_vrstate
+{
+	unsigned int __ctx(vrregs)[32][4];
+	unsigned int __ctx(vrsave);
+	unsigned int _pad[2];
+	unsigned int __ctx(vscr);
+} vrregset_t;
+
+/* Context to describe whole processor state.  */
+typedef struct
+{
+	gregset_t __ctx(gregs);
+	fpregset_t __ctx(fpregs);
+	vrregset_t __ctx(vrregs) __attribute__((__aligned__(16)));
+} mcontext_t;
+
+#else
+
+/* For 64-bit kernels with Altivec support, a machine context is exactly
+ * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
+ * the mcontext upto but not including the v_regs field.  For kernels that
+ * don't set AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
+ * v_regs field may not exist and should not be referenced.  The v_regd field
+ * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
+ * is set in AT_HWCAP.  */
+
+/* Number of general registers.  */
+# define __NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
+# define __NFPREG	33	/* includes fp0-fp31 &fpscr.  */
+# define __NVRREG	34	/* includes v0-v31, vscr, & vrsave in
+				   split vectors */
+# ifdef __USE_MISC
+#  define NGREG	__NGREG
+#  define NFPREG	__NFPREG
+#  define NVRREG	__NVRREG
+# endif
+
+typedef unsigned long gregset_t[__NGREG];
+typedef double fpregset_t[__NFPREG];
+
+/* Container for Altivec/VMX Vector Status and Control Register.  Only 32-bits
+   but can only be copied to/from a 128-bit vector register.  So we allocated
+   a whole quadword speedup save/restore.  */
+typedef struct _libc_vscr
+{
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+	unsigned int __pad[3];
+	unsigned int __ctx(vscr_word);
+#else
+	unsigned int __ctx(vscr_word);
+	unsigned int __pad[3];
+#endif
+} vscr_t;
+
+/* Container for Altivec/VMX registers and status.
+   Must to be aligned on a 16-byte boundary. */
+typedef struct _libc_vrstate
+{
+	unsigned int	__ctx(vrregs)[32][4];
+	vscr_t		__ctx(vscr);
+	unsigned int	__ctx(vrsave);
+	unsigned int	__pad[3];
+} vrregset_t  __attribute__((__aligned__(16)));
+
+typedef struct {
+	unsigned long	__glibc_reserved[4];
+	int		__ctx(signal);
+	int		__pad0;
+	unsigned long	__ctx(handler);
+	unsigned long	__ctx(oldmask);
+	struct __ctx(pt_regs)	*__ctx(regs);
+	gregset_t	__ctx(gp_regs);
+	fpregset_t	__ctx(fp_regs);
+/*
+ * To maintain compatibility with current implementations the sigcontext is
+ * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t)
+ * followed by an unstructured (vmx_reserve) field of 69 doublewords.  This
+ * allows the array of vector registers to be quadword aligned independent of
+ * the alignment of the containing sigcontext or ucontext. It is the
+ * responsibility of the code setting the sigcontext to set this pointer to
+ * either NULL (if this processor does not support the VMX feature) or the
+ * address of the first quadword within the allocated (vmx_reserve) area.
+ *
+ * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
+ * an array of 34 quadword entries.  The entries with
+ * indexes 0-31 contain the corresponding vector registers.  The entry with
+ * index 32 contains the vscr as the last word (offset 12) within the
+ * quadword.  This allows the vscr to be stored as either a quadword (since
+ * it must be copied via a vector register to/from storage) or as a word.
+ * The entry with index 33 contains the vrsave as the first word (offset 0)
+ * within the quadword.
+ */
+	vrregset_t	*__ctx(v_regs);
+	long		__ctx(vmx_reserve)[__NVRREG+__NVRREG+1];
+} mcontext_t;
+
+#endif
+
+/* Userlevel context.  */
+typedef struct ucontext_t
+  {
+    unsigned long int __ctx(uc_flags);
+    struct ucontext_t *uc_link;
+    stack_t uc_stack;
+#if __WORDSIZE == 32
+    /*
+     * These fields are set up this way to maximize source and
+     * binary compatibility with code written for the old
+     * ucontext_t definition, which didn't include space for the
+     * registers.
+     *
+     * Different versions of the kernel have stored the registers on
+     * signal delivery at different offsets from the ucontext struct.
+     * Programs should thus use the uc_mcontext.uc_regs pointer to
+     * find where the registers are actually stored.  The registers
+     * will be stored within the ucontext_t struct but not necessarily
+     * at a fixed address.  As a side-effect, this lets us achieve
+     * 16-byte alignment for the register storage space if the
+     * Altivec registers are to be saved, without requiring 16-byte
+     * alignment on the whole ucontext_t.
+     *
+     * The uc_mcontext.regs field is included for source compatibility
+     * with programs written against the older ucontext_t definition,
+     * and its name should therefore not change.  The uc_pad field
+     * is for binary compatibility with programs compiled against the
+     * old ucontext_t; it ensures that uc_mcontext.regs and uc_sigmask
+     * are at the same offset as previously.
+     */
+    int __glibc_reserved1[7];
+    union __ctx(uc_regs_ptr) {
+      struct __ctx(pt_regs) *__ctx(regs);
+      mcontext_t *__ctx(uc_regs);
+    } uc_mcontext;
+    sigset_t    uc_sigmask;
+    /* last for extensibility */
+    char __ctx(uc_reg_space)[sizeof (mcontext_t) + 12];
+#else /* 64-bit */
+    sigset_t    uc_sigmask;
+    mcontext_t  uc_mcontext;  /* last for extensibility */
+#endif
+  } ucontext_t;
+
+#undef __ctx
+
+#endif /* sys/ucontext.h */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc-linux-gnu/sys/user.h b/lib/libc/include/powerpc-linux-gnu/sys/user.h
new file mode 100644
index 0000000000..151aa48f53
--- /dev/null
+++ b/lib/libc/include/powerpc-linux-gnu/sys/user.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1998-2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_USER_H
+
+#define _SYS_USER_H	1
+#include <stddef.h>
+#include <features.h>
+
+#include <asm/ptrace.h>
+
+struct user {
+	struct pt_regs	regs;			/* entire machine state */
+	size_t		u_tsize;		/* text size (pages) */
+	size_t		u_dsize;		/* data size (pages) */
+	size_t		u_ssize;		/* stack size (pages) */
+	unsigned long	start_code;		/* text starting address */
+	unsigned long	start_data;		/* data starting address */
+	unsigned long	start_stack;		/* stack starting address */
+	long int	signal;			/* signal causing core dump */
+	struct regs *	u_ar0;			/* help gdb find registers */
+	unsigned long	magic;			/* identifies a core file */
+	char		u_comm[32];		/* user command name */
+};
+
+#endif  /* sys/user.h */
\ No newline at end of file