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Add InstallRawStep to Zig build system that does a similar job to llvm-objcopy. To use it, do 'exe.installRaw("kernel.bin");' where exe is a LibExeObjStep

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Part of #2826
This commit is contained in:
Michaël Larouche
2020-01-21 17:32:00 -05:00
committed by Andrew Kelley
parent 958f00f1c7
commit 9b11e5e1f1
8 changed files with 391 additions and 86 deletions
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14
lib/std/debug.zig
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@@ -946,8 +946,8 @@ fn readSparseBitVector(stream: var, allocator: *mem.Allocator) ![]usize {
fn findDwarfSectionFromElf(elf_file: *elf.Elf, name: []const u8) !?DwarfInfo.Section {
const elf_header = (try elf_file.findSection(name)) orelse return null;
return DwarfInfo.Section{
.offset = elf_header.offset,
.size = elf_header.size,
.offset = elf_header.sh_offset,
.size = elf_header.sh_size,
};
}
@@ -987,12 +987,12 @@ pub fn openElfDebugInfo(
var di = DwarfInfo{
.endian = efile.endian,
.debug_info = (data[@intCast(usize, debug_info.offset)..@intCast(usize, debug_info.offset + debug_info.size)]),
.debug_abbrev = (data[@intCast(usize, debug_abbrev.offset)..@intCast(usize, debug_abbrev.offset + debug_abbrev.size)]),
.debug_str = (data[@intCast(usize, debug_str.offset)..@intCast(usize, debug_str.offset + debug_str.size)]),
.debug_line = (data[@intCast(usize, debug_line.offset)..@intCast(usize, debug_line.offset + debug_line.size)]),
.debug_info = (data[@intCast(usize, debug_info.sh_offset)..@intCast(usize, debug_info.sh_offset + debug_info.sh_size)]),
.debug_abbrev = (data[@intCast(usize, debug_abbrev.sh_offset)..@intCast(usize, debug_abbrev.sh_offset + debug_abbrev.sh_size)]),
.debug_str = (data[@intCast(usize, debug_str.sh_offset)..@intCast(usize, debug_str.sh_offset + debug_str.sh_size)]),
.debug_line = (data[@intCast(usize, debug_line.sh_offset)..@intCast(usize, debug_line.sh_offset + debug_line.sh_size)]),
.debug_ranges = if (opt_debug_ranges) |debug_ranges|
data[@intCast(usize, debug_ranges.offset)..@intCast(usize, debug_ranges.offset + debug_ranges.size)]
data[@intCast(usize, debug_ranges.sh_offset)..@intCast(usize, debug_ranges.sh_offset + debug_ranges.sh_size)]
else
null,
};