From 848a12cb9cf3bea74183ef835b9d0a5314237fec Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Tue, 1 Feb 2022 16:14:53 +0000
Subject: [PATCH] solarish systems dl_iterate_phdr support

---
 libc-test/build.rs          |  1 +
 src/unix/solarish/mod.rs    | 15 +++++++++++++++
 src/unix/solarish/x86.rs    | 29 +++++++++++++++++++++++++++++
 src/unix/solarish/x86_64.rs | 30 ++++++++++++++++++++++++++++++
 4 files changed, 75 insertions(+)
 create mode 100644 src/unix/solarish/x86.rs

diff --git a/libc-test/build.rs b/libc-test/build.rs
index b80e7315b64b0..c08cad10d935c 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -747,6 +747,7 @@ fn test_solarish(target: &str) {
         "ifaddrs.h",
         "langinfo.h",
         "limits.h",
+        "link.h",
         "locale.h",
         "mqueue.h",
         "net/if.h",
diff --git a/src/unix/solarish/mod.rs b/src/unix/solarish/mod.rs
index 3412f897e9db8..ec9da2b611fbb 100644
--- a/src/unix/solarish/mod.rs
+++ b/src/unix/solarish/mod.rs
@@ -2954,6 +2954,18 @@ extern "C" {
         sfvcnt: ::c_int,
         xferred: *mut ::size_t,
     ) -> ::ssize_t;
+    // #include <link.h>
+    #[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
+    pub fn dl_iterate_phdr(
+        callback: ::Option<
+            unsafe extern "C" fn(
+                info: *mut dl_phdr_info,
+                size: usize,
+                data: *mut ::c_void,
+            ) -> ::c_int,
+        >,
+        data: *mut ::c_void,
+    ) -> ::c_int;
     pub fn getpagesize() -> ::c_int;
     pub fn getpagesizes(pagesize: *mut ::size_t, nelem: ::c_int) -> ::c_int;
     pub fn mmapobj(
@@ -3033,5 +3045,8 @@ cfg_if! {
     if #[cfg(target_arch = "x86_64")] {
         mod x86_64;
         pub use self::x86_64::*;
+    } else if #[cfg(target_arch = "x86")] {
+        mod x86;
+        pub use self::x86::*;
     }
 }
diff --git a/src/unix/solarish/x86.rs b/src/unix/solarish/x86.rs
new file mode 100644
index 0000000000000..23f52ad3c894f
--- /dev/null
+++ b/src/unix/solarish/x86.rs
@@ -0,0 +1,29 @@
+pub type Elf32_Addr = ::c_ulong;
+pub type Elf32_Half = ::c_ushort;
+pub type Elf32_Off = ::c_ulong;
+pub type Elf32_Sword = ::c_long;
+pub type Elf32_Word = ::c_ulong;
+pub type Elf32_Lword = ::c_ulonglong;
+pub type Elf32_Phdr = __c_anonymous_Elf32_Phdr;
+
+s! {
+    pub struct __c_anonymous_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,
+    }
+
+    pub struct dl_phdr_info {
+        pub dlpi_addr: ::Elf32_Addr,
+        pub dlpi_name: *const ::c_char,
+        pub dlpi_phdr: *const ::Elf32_Phdr,
+        pub dlpi_phnum: ::Elf32_Half,
+        pub dlpi_adds: ::c_ulonglong,
+        pub dlpi_subs: ::c_ulonglong,
+    }
+}
diff --git a/src/unix/solarish/x86_64.rs b/src/unix/solarish/x86_64.rs
index 7eef2db121c64..5f75bdb79624a 100644
--- a/src/unix/solarish/x86_64.rs
+++ b/src/unix/solarish/x86_64.rs
@@ -1,5 +1,15 @@
 pub type greg_t = ::c_long;
 
+pub type Elf64_Addr = ::c_ulong;
+pub type Elf64_Half = ::c_ushort;
+pub type Elf64_Off = ::c_ulong;
+pub type Elf64_Sword = ::c_int;
+pub type Elf64_Sxword = ::c_long;
+pub type Elf64_Word = ::c_uint;
+pub type Elf64_Xword = ::c_ulong;
+pub type Elf64_Lword = ::c_ulong;
+pub type Elf64_Phdr = __c_anonymous_Elf64_Phdr;
+
 s! {
     pub struct __c_anonymous_fpchip_state {
         pub cw: u16,
@@ -17,6 +27,26 @@ s! {
         pub status: u32,
         pub xstatus: u32,
     }
+
+    pub struct __c_anonymous_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,
+    }
+
+    pub struct dl_phdr_info {
+        pub dlpi_addr: ::Elf64_Addr,
+        pub dlpi_name: *const ::c_char,
+        pub dlpi_phdr: *const ::Elf64_Phdr,
+        pub dlpi_phnum: ::Elf64_Half,
+        pub dlpi_adds: ::c_ulonglong,
+        pub dlpi_subs: ::c_ulonglong,
+    }
 }
 
 s_no_extra_traits! {