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Merge pull request #23373 from alexrp/get-base-address

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`std.process`: Some minor fixes for `getBaseAddress()`
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Alex Rønne Petersen 2025-03-27 15:39:24 +01:00 committed by GitHub
commit cc9634a2d3
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1 changed files with 4 additions and 3 deletions
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7
lib/std/process.zig
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@ -1652,14 +1652,15 @@ pub fn posixGetUserInfo(name: []const u8) !UserInfo {
pub fn getBaseAddress() usize {
switch (native_os) {
.linux => {
const base = std.os.linux.getauxval(std.elf.AT_BASE);
const getauxval = if (builtin.link_libc) std.c.getauxval else std.os.linux.getauxval;
const base = getauxval(std.elf.AT_BASE);
if (base != 0) {
return base;
}
const phdr = std.os.linux.getauxval(std.elf.AT_PHDR);
const phdr = getauxval(std.elf.AT_PHDR);
return phdr - @sizeOf(std.elf.Ehdr);
},
.macos, .freebsd, .netbsd => {
.driverkit, .ios, .macos, .tvos, .visionos, .watchos => {
return @intFromPtr(&std.c._mh_execute_header);
},
.windows => return @intFromPtr(windows.kernel32.GetModuleHandleW(null)),