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Begin work on separating int and word sizes (i.e. size_of(int) might not equal size_of(uintptr))

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This commit is contained in:
gingerBill
2023-04-20 11:46:23 +01:00
parent b2b88f1d99
commit 84f966cb8f
5 changed files with 81 additions and 61 deletions
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44
src/build_settings.cpp
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@@ -117,6 +117,7 @@ struct TargetMetrics {
TargetOsKind os;
TargetArchKind arch;
isize word_size;
isize int_size;
isize max_align;
isize max_simd_align;
String target_triplet;
@@ -238,6 +239,7 @@ struct BuildContext {
// In bytes
i64 word_size; // Size of a pointer, must be >= 4
i64 int_size; // Size of a int/uint, must be >= 4
i64 max_align; // max alignment, must be >= 1 (and typically >= word_size)
i64 max_simd_align; // max alignment, must be >= 1 (and typically >= word_size)
@@ -360,13 +362,13 @@ gb_internal isize MAX_ERROR_COLLECTOR_COUNT(void) {
gb_global TargetMetrics target_windows_i386 = {
TargetOs_windows,
TargetArch_i386,
4, 4, 8,
4, 4, 4, 8,
str_lit("i386-pc-windows-msvc"),
};
gb_global TargetMetrics target_windows_amd64 = {
TargetOs_windows,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-pc-windows-msvc"),
str_lit("e-m:w-i64:64-f80:128-n8:16:32:64-S128"),
};
@@ -374,21 +376,21 @@ gb_global TargetMetrics target_windows_amd64 = {
gb_global TargetMetrics target_linux_i386 = {
TargetOs_linux,
TargetArch_i386,
4, 4, 8,
4, 4, 4, 8,
str_lit("i386-pc-linux-gnu"),
};
gb_global TargetMetrics target_linux_amd64 = {
TargetOs_linux,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-pc-linux-gnu"),
str_lit("e-m:w-i64:64-f80:128-n8:16:32:64-S128"),
};
gb_global TargetMetrics target_linux_arm64 = {
TargetOs_linux,
TargetArch_arm64,
8, 8, 16,
8, 8, 8, 16,
str_lit("aarch64-linux-elf"),
str_lit("e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"),
};
@@ -396,7 +398,7 @@ gb_global TargetMetrics target_linux_arm64 = {
gb_global TargetMetrics target_linux_arm32 = {
TargetOs_linux,
TargetArch_arm32,
4, 4, 8,
4, 4, 4, 8,
str_lit("arm-linux-gnu"),
str_lit("e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"),
};
@@ -404,7 +406,7 @@ gb_global TargetMetrics target_linux_arm32 = {
gb_global TargetMetrics target_darwin_amd64 = {
TargetOs_darwin,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-apple-darwin"),
str_lit("e-m:o-i64:64-f80:128-n8:16:32:64-S128"),
};
@@ -412,7 +414,7 @@ gb_global TargetMetrics target_darwin_amd64 = {
gb_global TargetMetrics target_darwin_arm64 = {
TargetOs_darwin,
TargetArch_arm64,
8, 8, 16,
8, 8, 8, 16,
str_lit("arm64-apple-macosx11.0.0"),
str_lit("e-m:o-i64:64-i128:128-n32:64-S128"),
};
@@ -420,14 +422,14 @@ gb_global TargetMetrics target_darwin_arm64 = {
gb_global TargetMetrics target_freebsd_i386 = {
TargetOs_freebsd,
TargetArch_i386,
4, 4, 8,
4, 4, 4, 8,
str_lit("i386-unknown-freebsd-elf"),
};
gb_global TargetMetrics target_freebsd_amd64 = {
TargetOs_freebsd,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-unknown-freebsd-elf"),
str_lit("e-m:w-i64:64-f80:128-n8:16:32:64-S128"),
};
@@ -435,7 +437,7 @@ gb_global TargetMetrics target_freebsd_amd64 = {
gb_global TargetMetrics target_openbsd_amd64 = {
TargetOs_openbsd,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-unknown-openbsd-elf"),
str_lit("e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"),
};
@@ -443,7 +445,7 @@ gb_global TargetMetrics target_openbsd_amd64 = {
gb_global TargetMetrics target_essence_amd64 = {
TargetOs_essence,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-pc-none-elf"),
};
@@ -451,7 +453,7 @@ gb_global TargetMetrics target_essence_amd64 = {
gb_global TargetMetrics target_freestanding_wasm32 = {
TargetOs_freestanding,
TargetArch_wasm32,
4, 8, 16,
4, 4, 8, 16,
str_lit("wasm32-freestanding-js"),
str_lit("e-m:e-p:32:32-i64:64-n32:64-S128"),
};
@@ -459,7 +461,7 @@ gb_global TargetMetrics target_freestanding_wasm32 = {
gb_global TargetMetrics target_js_wasm32 = {
TargetOs_js,
TargetArch_wasm32,
4, 8, 16,
4, 4, 8, 16,
str_lit("wasm32-js-js"),
str_lit("e-m:e-p:32:32-i64:64-n32:64-S128"),
};
@@ -467,7 +469,7 @@ gb_global TargetMetrics target_js_wasm32 = {
gb_global TargetMetrics target_wasi_wasm32 = {
TargetOs_wasi,
TargetArch_wasm32,
4, 8, 16,
4, 4, 8, 16,
str_lit("wasm32-wasi-js"),
str_lit("e-m:e-p:32:32-i64:64-n32:64-S128"),
};
@@ -476,7 +478,7 @@ gb_global TargetMetrics target_wasi_wasm32 = {
gb_global TargetMetrics target_js_wasm64 = {
TargetOs_js,
TargetArch_wasm64,
8, 8, 16,
8, 8, 8, 16,
str_lit("wasm64-js-js"),
str_lit(""),
};
@@ -484,7 +486,7 @@ gb_global TargetMetrics target_js_wasm64 = {
gb_global TargetMetrics target_freestanding_amd64_sysv = {
TargetOs_freestanding,
TargetArch_amd64,
8, 8, 16,
8, 8, 8, 16,
str_lit("x86_64-pc-none-gnu"),
str_lit("e-m:w-i64:64-f80:128-n8:16:32:64-S128"),
TargetABI_SysV,
@@ -1164,15 +1166,23 @@ gb_internal void init_build_context(TargetMetrics *cross_target) {
GB_ASSERT(metrics->os != TargetOs_Invalid);
GB_ASSERT(metrics->arch != TargetArch_Invalid);
GB_ASSERT(metrics->word_size > 1);
GB_ASSERT(metrics->int_size > 1);
GB_ASSERT(metrics->max_align > 1);
GB_ASSERT(metrics->max_simd_align > 1);
GB_ASSERT(metrics->int_size >= metrics->word_size);
if (metrics->int_size > metrics->word_size) {
GB_ASSERT(metrics->int_size == 2*metrics->word_size);
}
bc->metrics = *metrics;
bc->ODIN_OS = target_os_names[metrics->os];
bc->ODIN_ARCH = target_arch_names[metrics->arch];
bc->endian_kind = target_endians[metrics->arch];
bc->word_size = metrics->word_size;
bc->int_size = metrics->int_size;
bc->max_align = metrics->max_align;
bc->max_simd_align = metrics->max_simd_align;
bc->link_flags = str_lit(" ");