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elf: format shdr flags when dumping state

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This commit is contained in:
Jakub Konka 2023-11-09 18:49:19 +01:00
parent 03c3a85ea3
commit 27970bab07
1 changed files with 58 additions and 2 deletions
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60
src/link/Elf.zig
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@ -6124,13 +6124,69 @@ fn formatShdr(
_ = options;
_ = unused_fmt_string;
const shdr = ctx.shdr;
try writer.print("{s} : @{x} ({x}) : align({x}) : size({x})", .{
try writer.print("{s} : @{x} ({x}) : align({x}) : size({x}) : flags({})", .{
ctx.elf_file.getShString(shdr.sh_name), shdr.sh_offset,
shdr.sh_addr, shdr.sh_addralign,
shdr.sh_size,
shdr.sh_size, fmtShdrFlags(shdr.sh_flags),
});
}
fn fmtShdrFlags(sh_flags: u64) std.fmt.Formatter(formatShdrFlags) {
return .{ .data = sh_flags };
}
fn formatShdrFlags(
sh_flags: u64,
comptime unused_fmt_string: []const u8,
options: std.fmt.FormatOptions,
writer: anytype,
) !void {
_ = unused_fmt_string;
_ = options;
if (elf.SHF_WRITE & sh_flags != 0) {
try writer.writeAll("W");
}
if (elf.SHF_ALLOC & sh_flags != 0) {
try writer.writeAll("A");
}
if (elf.SHF_EXECINSTR & sh_flags != 0) {
try writer.writeAll("X");
}
if (elf.SHF_MERGE & sh_flags != 0) {
try writer.writeAll("M");
}
if (elf.SHF_STRINGS & sh_flags != 0) {
try writer.writeAll("S");
}
if (elf.SHF_INFO_LINK & sh_flags != 0) {
try writer.writeAll("I");
}
if (elf.SHF_LINK_ORDER & sh_flags != 0) {
try writer.writeAll("L");
}
if (elf.SHF_EXCLUDE & sh_flags != 0) {
try writer.writeAll("E");
}
if (elf.SHF_COMPRESSED & sh_flags != 0) {
try writer.writeAll("C");
}
if (elf.SHF_GROUP & sh_flags != 0) {
try writer.writeAll("G");
}
if (elf.SHF_OS_NONCONFORMING & sh_flags != 0) {
try writer.writeAll("O");
}
if (elf.SHF_TLS & sh_flags != 0) {
try writer.writeAll("T");
}
if (elf.SHF_X86_64_LARGE & sh_flags != 0) {
try writer.writeAll("l");
}
if (elf.SHF_MIPS_ADDR & sh_flags != 0 or elf.SHF_ARM_PURECODE & sh_flags != 0) {
try writer.writeAll("p");
}
}
const FormatPhdrCtx = struct {
elf_file: *Elf,
phdr: elf.Elf64_Phdr,