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LagoLunatic
37 lines
1.6 KiB
C++
37 lines
1.6 KiB
C++
#ifndef WEAK_DATA_1811_H
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#define WEAK_DATA_1811_H
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// Fake header.
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#include "dolphin/gx/GXEnum.h"
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#include "weak_data_2100_2080.h" // IWYU pragma: keep
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// @1811 is a weak object that gets included in the .data sections of several TUs.
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// Its true source is this line:
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// u8 attnFnTbl[] = { GX_AF_NONE, GX_AF_SPEC, GX_AF_NONE, GX_AF_SPOT };
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// Which appears in the weak function J3DColorChan::getAttnFn, which is supposed to go in a header.
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// But that line causes the weak object to appear in .rodata, while this weak object need to be in .data.
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// So for now, that function is moved to the .cpp file, and TUs that need this object should include this header.
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static inline void fake_getAttnFn() {
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// Value is equivalent to: {0x02, 0x00, 0x02, 0x01}
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static u8 attnFnTbl_1811[] = { GX_AF_NONE, GX_AF_SPEC, GX_AF_NONE, GX_AF_SPOT };
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}
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// These two weak objects are strange, as they have no symbols associated with them.
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// They always seems to come after @1811 ends at offset 0x1C, getting padded to start at 0x20 and ending at 0x30.
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// These are likely the 3.0 and .5 double literals from std::sqrtf.
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// But those literals get placed in .rodata, while these weak objects need to be in .data.
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// Also, the order of these two literals is reversed. std::sqrtf has _half before _three.
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// static f64 data_no_symbol_3_5[2] = {3.0, 0.5};
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extern inline void fake_sqrtf(float x) {
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static double _three[1] = {3.0};
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static double _half[1] = {.5};
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}
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// Note: These weak objects get stripped out for main.dol, because all three of them are within the
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// 8-byte limit for .sdata. They do not get stripped out in RELs.
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#endif /* WEAK_DATA_1811_H */
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