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lib/std/macho: add missing LC defs and missing N_NO_DEAD_STRIP desc for nlists

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This commit is contained in:
Jakub Konka 2023-12-06 10:45:14 +01:00
parent 559e216f3f
commit 79316ee10b
1 changed files with 27 additions and 12 deletions
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39
lib/std/macho.zig
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@ -843,15 +843,15 @@ pub const nlist_64 = extern struct {
n_value: u64,
pub fn stab(sym: nlist_64) bool {
return (N_STAB & sym.n_type) != 0;
return N_STAB & sym.n_type != 0;
}
pub fn pext(sym: nlist_64) bool {
return (N_PEXT & sym.n_type) != 0;
return N_PEXT & sym.n_type != 0;
}
pub fn ext(sym: nlist_64) bool {
return (N_EXT & sym.n_type) != 0;
return N_EXT & sym.n_type != 0;
}
pub fn sect(sym: nlist_64) bool {
@ -875,15 +875,19 @@ pub const nlist_64 = extern struct {
}
pub fn weakDef(sym: nlist_64) bool {
return (sym.n_desc & N_WEAK_DEF) != 0;
return sym.n_desc & N_WEAK_DEF != 0;
}
pub fn weakRef(sym: nlist_64) bool {
return (sym.n_desc & N_WEAK_REF) != 0;
return sym.n_desc & N_WEAK_REF != 0;
}
pub fn discarded(sym: nlist_64) bool {
return (sym.n_desc & N_DESC_DISCARDED) != 0;
return sym.n_desc & N_DESC_DISCARDED != 0;
}
pub fn noDeadStrip(sym: nlist_64) bool {
return sym.n_desc & N_NO_DEAD_STRIP != 0;
}
pub fn tentative(sym: nlist_64) bool {
@ -1002,7 +1006,7 @@ pub const LC = enum(u32) {
/// load a dynamically linked shared library that is allowed to be missing
/// (all symbols are weak imported).
LOAD_WEAK_DYLIB = (0x18 | LC_REQ_DYLD),
LOAD_WEAK_DYLIB = 0x18 | LC_REQ_DYLD,
/// 64-bit segment of this file to be mapped
SEGMENT_64 = 0x19,
@ -1014,7 +1018,7 @@ pub const LC = enum(u32) {
UUID = 0x1b,
/// runpath additions
RPATH = (0x1c | LC_REQ_DYLD),
RPATH = 0x1c | LC_REQ_DYLD,
/// local of code signature
CODE_SIGNATURE = 0x1d,
@ -1023,7 +1027,7 @@ pub const LC = enum(u32) {
SEGMENT_SPLIT_INFO = 0x1e,
/// load and re-export dylib
REEXPORT_DYLIB = (0x1f | LC_REQ_DYLD),
REEXPORT_DYLIB = 0x1f | LC_REQ_DYLD,
/// delay load of dylib until first use
LAZY_LOAD_DYLIB = 0x20,
@ -1035,10 +1039,10 @@ pub const LC = enum(u32) {
DYLD_INFO = 0x22,
/// compressed dyld information only
DYLD_INFO_ONLY = (0x22 | LC_REQ_DYLD),
DYLD_INFO_ONLY = 0x22 | LC_REQ_DYLD,
/// load upward dylib
LOAD_UPWARD_DYLIB = (0x23 | LC_REQ_DYLD),
LOAD_UPWARD_DYLIB = 0x23 | LC_REQ_DYLD,
/// build for MacOSX min OS version
VERSION_MIN_MACOSX = 0x24,
@ -1053,7 +1057,7 @@ pub const LC = enum(u32) {
DYLD_ENVIRONMENT = 0x27,
/// replacement for LC_UNIXTHREAD
MAIN = (0x28 | LC_REQ_DYLD),
MAIN = 0x28 | LC_REQ_DYLD,
/// table of non-instructions in __text
DATA_IN_CODE = 0x29,
@ -1085,6 +1089,12 @@ pub const LC = enum(u32) {
/// build for platform min OS version
BUILD_VERSION = 0x32,
/// used with linkedit_data_command, payload is trie
DYLD_EXPORTS_TRIE = 0x33 | LC_REQ_DYLD,
/// used with linkedit_data_command
DYLD_CHAINED_FIXUPS = 0x34 | LC_REQ_DYLD,
_,
};
@ -1629,6 +1639,11 @@ pub const REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY: u16 = 5;
/// to avoid removing symbols that must exist: If the symbol has this bit set, strip does not strip it.
pub const REFERENCED_DYNAMICALLY: u16 = 0x10;
/// The N_NO_DEAD_STRIP bit of the n_desc field only ever appears in a
/// relocatable .o file (MH_OBJECT filetype). And is used to indicate to the
/// static link editor it is never to dead strip the symbol.
pub const N_NO_DEAD_STRIP: u16 = 0x20;
/// Used by the dynamic linker at runtime. Do not set this bit.
pub const N_DESC_DISCARDED: u16 = 0x20;