diff options
Diffstat (limited to 'testing/rust/static-pie.patch')
| -rw-r--r-- | testing/rust/static-pie.patch | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/testing/rust/static-pie.patch b/testing/rust/static-pie.patch deleted file mode 100644 index 4c4e4b77c1..0000000000 --- a/testing/rust/static-pie.patch +++ /dev/null @@ -1,108 +0,0 @@ -From: Shiz <hi@shiz.me> -Date: Tue, 11 Apr 2017 04:37:00 +0200 -Subject: [PATCH] Add support for static PIE executables - -Note that static PIE binaries are reported as dynamically linked by file(1): - - $ rustc -C target-feature=+crt-static hello_world.rb - $ file hello_world - ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically \ - linked, not stripped, with debug_info - -In addition, ldd(1) reports that it's linked with ldd, as it can't find any -dependencies except itself loaded into the process: - - $ ldd hello_world - ldd (0x237fcc81000) - -Static PIE binaries are dynamic binaries without a loader or any DT_NEEDED -entries. The important is that they do not depend on libc or any other system -library, just like static binaries, but more secure. - - $ readelf -d hello_world - Dynamic section at offset 0x2de40 contains 17 entries: - Tag Type Name/Value - 0x0000000000000010 (SYMBOLIC) 0x0 - 0x000000000000000c (INIT) 0x17a0 - 0x000000000000000d (FINI) 0x2003c - 0x000000006ffffef5 (GNU_HASH) 0x1c8 - 0x0000000000000005 (STRTAB) 0x278 - 0x0000000000000006 (SYMTAB) 0x200 - 0x000000000000000a (STRSZ) 60 (bytes) - 0x000000000000000b (SYMENT) 24 (bytes) - 0x0000000000000015 (DEBUG) 0x0 - 0x0000000000000003 (PLTGOT) 0x22df90 - 0x0000000000000007 (RELA) 0x2b8 - 0x0000000000000008 (RELASZ) 5352 (bytes) - 0x0000000000000009 (RELAENT) 24 (bytes) - 0x0000000000000018 (BIND_NOW) - 0x000000006ffffffb (FLAGS_1) Flags: NOW PIE - 0x000000006ffffff9 (RELACOUNT) 223 - 0x0000000000000000 (NULL) 0x0 - ---- a/src/librustc_back/target/linux_musl_base.rs -+++ b/src/librustc_back/target/linux_musl_base.rs -@@ -22,5 +22,8 @@ - // Except for on MIPS, these targets statically link libc by default. - base.crt_static_default = true; - -+ // Static position-independent executables are supported. -+ base.static_position_independent_executables = true; -+ - base - } ---- a/src/librustc_back/target/mod.rs -+++ b/src/librustc_back/target/mod.rs -@@ -350,6 +350,8 @@ - /// the functions in the executable are not randomized and can be used - /// during an exploit of a vulnerability in any code. - pub position_independent_executables: bool, -+ /// As above, but also support for static position independent executables. -+ pub static_position_independent_executables: bool, - /// Format that archives should be emitted in. This affects whether we use - /// LLVM to assemble an archive or fall back to the system linker, and - /// currently only "gnu" is used to fall into LLVM. Unknown strings cause -@@ -434,6 +436,7 @@ - has_rpath: false, - no_default_libraries: true, - position_independent_executables: false, -+ static_position_independent_executables: false, - pre_link_objects_exe: Vec::new(), - pre_link_objects_dll: Vec::new(), - post_link_objects: Vec::new(), ---- a/src/librustc_trans/back/link.rs -+++ b/src/librustc_trans/back/link.rs -@@ -914,13 +914,9 @@ - - if crate_type == config::CrateTypeExecutable && - t.options.position_independent_executables { -- let empty_vec = Vec::new(); -- let args = sess.opts.cg.link_args.as_ref().unwrap_or(&empty_vec); -- let more_args = &sess.opts.cg.link_arg; -- let mut args = args.iter().chain(more_args.iter()).chain(used_link_args.iter()); -- -+ let static_pie = t.options.static_position_independent_executables; - if get_reloc_model(sess) == llvm::RelocMode::PIC -- && !args.any(|x| *x == "-static") { -+ && (!sess.fully_static() || static_pie) { - cmd.position_independent_executable(); - } - } ---- a/src/librustc_back/target/mod.rs -+++ b/src/librustc_back/target/mod.rs -@@ -612,6 +612,7 @@ - key!(has_rpath, bool); - key!(no_default_libraries, bool); - key!(position_independent_executables, bool); -+ key!(static_position_independent_executables, bool); - key!(archive_format); - key!(allow_asm, bool); - key!(custom_unwind_resume, bool); -@@ -776,6 +777,7 @@ - target_option_val!(has_rpath); - target_option_val!(no_default_libraries); - target_option_val!(position_independent_executables); -+ target_option_val!(static_position_independent_executables); - target_option_val!(archive_format); - target_option_val!(allow_asm); - target_option_val!(custom_unwind_resume); |