Auto merge of #3325 - Vtewari2311:libc-hurd-latest, r=JohnTitor

added support for GNU/Hurd

added initial support for i686-unknown-hurd-gnu

build.rs

@@ -33,7 +33,7 @@ const ALLOWED_CFGS: &'static [&'static str] = &[
 
 // Extra values to allow for check-cfg.
 const CHECK_CFG_EXTRA: &'static [(&'static str, &'static [&'static str])] = &[
-    ("target_os", &["switch", "aix", "ohos"]),
+    ("target_os", &["switch", "aix", "ohos", "hurd"]),
     ("target_env", &["illumos", "wasi", "aix", "ohos"]),
     (
         "target_arch",

src/unix/hurd/align.rs

@@ -0,0 +1 @@
+// Placeholder file

src/unix/hurd/b32.rs

@@ -0,0 +1,91 @@
+pub type c_long = i32;
+pub type c_ulong = u32;
+
+pub type __int64_t = ::c_longlong;
+pub type __uint64_t = ::c_ulonglong;
+
+pub type int_fast16_t = ::c_int;
+pub type int_fast32_t = ::c_int;
+pub type int_fast64_t = ::c_longlong;
+pub type uint_fast16_t = ::c_uint;
+pub type uint_fast32_t = ::c_uint;
+pub type uint_fast64_t = ::c_ulonglong;
+
+pub type __quad_t = ::c_longlong;
+pub type __u_quad_t = ::c_ulonglong;
+pub type __intmax_t = ::c_longlong;
+pub type __uintmax_t = ::c_ulonglong;
+
+pub type __squad_type = ::__int64_t;
+pub type __uquad_type = ::__uint64_t;
+pub type __sword_type = ::c_int;
+pub type __uword_type = ::c_uint;
+pub type __slong32_type = ::c_long;
+pub type __ulong32_type = ::c_ulong;
+pub type __s64_type = ::__int64_t;
+pub type __u64_type = ::__uint64_t;
+
+pub type Elf32_Half = u16;
+pub type Elf32_Word = u32;
+pub type Elf32_Off = u32;
+pub type Elf32_Addr = u32;
+pub type Elf32_Section = u16;
+
+pub type Elf_Addr = ::Elf32_Addr;
+pub type Elf_Half = ::Elf32_Half;
+pub type Elf_Ehdr = ::Elf32_Ehdr;
+pub type Elf_Phdr = ::Elf32_Phdr;
+pub type Elf_Shdr = ::Elf32_Shdr;
+pub type Elf_Sym = ::Elf32_Sym;
+
+s! {
+    pub struct Elf32_Ehdr {
+        pub e_ident: [::c_uchar; 16],
+        pub e_type: Elf32_Half,
+        pub e_machine: Elf32_Half,
+        pub e_version: Elf32_Word,
+        pub e_entry: Elf32_Addr,
+        pub e_phoff: Elf32_Off,
+        pub e_shoff: Elf32_Off,
+        pub e_flags: Elf32_Word,
+        pub e_ehsize: Elf32_Half,
+        pub e_phentsize: Elf32_Half,
+        pub e_phnum: Elf32_Half,
+        pub e_shentsize: Elf32_Half,
+        pub e_shnum: Elf32_Half,
+        pub e_shstrndx: Elf32_Half,
+    }
+
+    pub struct Elf32_Shdr {
+        pub sh_name: Elf32_Word,
+        pub sh_type: Elf32_Word,
+        pub sh_flags: Elf32_Word,
+        pub sh_addr: Elf32_Addr,
+        pub sh_offset: Elf32_Off,
+        pub sh_size: Elf32_Word,
+        pub sh_link: Elf32_Word,
+        pub sh_info: Elf32_Word,
+        pub sh_addralign: Elf32_Word,
+        pub sh_entsize: Elf32_Word,
+    }
+
+    pub struct Elf32_Sym {
+        pub st_name: Elf32_Word,
+        pub st_value: Elf32_Addr,
+        pub st_size: Elf32_Word,
+        pub st_info: ::c_uchar,
+        pub st_other: ::c_uchar,
+        pub st_shndx: Elf32_Section,
+    }
+
+    pub struct Elf32_Phdr {
+        pub p_type: ::Elf32_Word,
+        pub p_offset: ::Elf32_Off,
+        pub p_vaddr: ::Elf32_Addr,
+        pub p_paddr: ::Elf32_Addr,
+        pub p_filesz: ::Elf32_Word,
+        pub p_memsz: ::Elf32_Word,
+        pub p_flags: ::Elf32_Word,
+        pub p_align: ::Elf32_Word,
+    }
+}

src/unix/hurd/b64.rs

@@ -0,0 +1,93 @@
+pub type c_long = i64;
+pub type c_ulong = u64;
+
+pub type __int64_t = ::c_long;
+pub type __uint64_t = ::c_ulong;
+
+pub type int_fast16_t = ::c_long;
+pub type int_fast32_t = ::c_long;
+pub type int_fast64_t = ::c_long;
+pub type uint_fast16_t = ::c_ulong;
+pub type uint_fast32_t = ::c_ulong;
+pub type uint_fast64_t = ::c_ulong;
+
+pub type __quad_t = ::c_long;
+pub type __u_quad_t = ::c_ulong;
+pub type __intmax_t = ::c_long;
+pub type __uintmax_t = ::c_ulong;
+
+pub type __squad_type = ::c_long;
+pub type __uquad_type = ::c_ulong;
+pub type __sword_type = ::c_long;
+pub type __uword_type = ::c_ulong;
+pub type __slong32_type = ::c_int;
+pub type __ulong32_type = ::c_uint;
+pub type __s64_type = ::c_long;
+pub type __u64_type = ::c_ulong;
+
+pub type Elf64_Half = u16;
+pub type Elf64_Word = u32;
+pub type Elf64_Off = u64;
+pub type Elf64_Addr = u64;
+pub type Elf64_Xword = u64;
+pub type Elf64_Sxword = i64;
+pub type Elf64_Section = u16;
+
+pub type Elf_Addr = ::Elf64_Addr;
+pub type Elf_Half = ::Elf64_Half;
+pub type Elf_Ehdr = ::Elf64_Ehdr;
+pub type Elf_Phdr = ::Elf64_Phdr;
+pub type Elf_Shdr = ::Elf64_Shdr;
+pub type Elf_Sym = ::Elf64_Sym;
+
+s! {
+    pub struct Elf64_Ehdr {
+        pub e_ident: [::c_uchar; 16],
+        pub e_type: Elf64_Half,
+        pub e_machine: Elf64_Half,
+        pub e_version: Elf64_Word,
+        pub e_entry: Elf64_Addr,
+        pub e_phoff: Elf64_Off,
+        pub e_shoff: Elf64_Off,
+        pub e_flags: Elf64_Word,
+        pub e_ehsize: Elf64_Half,
+        pub e_phentsize: Elf64_Half,
+        pub e_phnum: Elf64_Half,
+        pub e_shentsize: Elf64_Half,
+        pub e_shnum: Elf64_Half,
+        pub e_shstrndx: Elf64_Half,
+    }
+
+    pub struct Elf64_Shdr {
+        pub sh_name: Elf64_Word,
+        pub sh_type: Elf64_Word,
+        pub sh_flags: Elf64_Xword,
+        pub sh_addr: Elf64_Addr,
+        pub sh_offset: Elf64_Off,
+        pub sh_size: Elf64_Xword,
+        pub sh_link: Elf64_Word,
+        pub sh_info: Elf64_Word,
+        pub sh_addralign: Elf64_Xword,
+        pub sh_entsize: Elf64_Xword,
+    }
+
+    pub struct Elf64_Sym {
+        pub st_name: Elf64_Word,
+        pub st_info: ::c_uchar,
+        pub st_other: ::c_uchar,
+        pub st_shndx: Elf64_Section,
+        pub st_value: Elf64_Addr,
+        pub st_size: Elf64_Xword,
+    }
+
+    pub struct Elf64_Phdr {
+        pub p_type: ::Elf64_Word,
+        pub p_flags: ::Elf64_Word,
+        pub p_offset: ::Elf64_Off,
+        pub p_vaddr: ::Elf64_Addr,
+        pub p_paddr: ::Elf64_Addr,
+        pub p_filesz: ::Elf64_Xword,
+        pub p_memsz: ::Elf64_Xword,
+        pub p_align: ::Elf64_Xword,
+    }
+}