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linux-i386 support #3808

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Merged
merged 4 commits into from
Dec 1, 2019
Merged

linux-i386 support #3808

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e1e06e6
linux-i386 support
LemonBoy Nov 30, 2019
d0c6728
Eat shit and die glibc
LemonBoy Nov 30, 2019
6f105b5
Implement target_dynamic_linker for mips
LemonBoy Nov 30, 2019
cdeafe7
Eat shit and die mips
LemonBoy Nov 30, 2019
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6 changes: 6 additions & 0 deletions lib/std/debug.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -2417,6 +2417,12 @@ extern fn handleSegfaultLinux(sig: i32, info: *const os.siginfo_t, ctx_ptr: *con
std.debug.warn("Segmentation fault at address 0x{x}\n", addr);

switch (builtin.arch) {
.i386 => {
const ctx = @ptrCast(*const os.ucontext_t, @alignCast(@alignOf(os.ucontext_t), ctx_ptr));
const ip = @intCast(usize, ctx.mcontext.gregs[os.REG_EIP]);
const bp = @intCast(usize, ctx.mcontext.gregs[os.REG_EBP]);
dumpStackTraceFromBase(bp, ip);
},
.x86_64 => {
const ctx = @ptrCast(*const os.ucontext_t, @alignCast(@alignOf(os.ucontext_t), ctx_ptr));
const ip = @intCast(usize, ctx.mcontext.gregs[os.REG_RIP]);
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1 change: 1 addition & 0 deletions lib/std/os/bits/linux.zig
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Expand Up @@ -9,6 +9,7 @@ pub usingnamespace switch (builtin.arch) {
};

pub usingnamespace switch (builtin.arch) {
.i386 => @import("linux/i386.zig"),
.x86_64 => @import("linux/x86_64.zig"),
.aarch64 => @import("linux/arm64.zig"),
.arm => @import("linux/arm-eabi.zig"),
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1 change: 0 additions & 1 deletion lib/std/os/bits/linux/arm-eabi.zig
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Expand Up @@ -466,7 +466,6 @@ pub const MAP_LOCKED = 0x2000;
/// don't check for reservations
pub const MAP_NORESERVE = 0x4000;

pub const VDSO_USEFUL = true;
pub const VDSO_CGT_SYM = "__vdso_clock_gettime";
pub const VDSO_CGT_VER = "LINUX_2.6";

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1 change: 0 additions & 1 deletion lib/std/os/bits/linux/arm64.zig
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Expand Up @@ -358,7 +358,6 @@ pub const MAP_LOCKED = 0x2000;
/// don't check for reservations
pub const MAP_NORESERVE = 0x4000;

pub const VDSO_USEFUL = true;
pub const VDSO_CGT_SYM = "__kernel_clock_gettime";
pub const VDSO_CGT_VER = "LINUX_2.6.39";

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