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Enable LoongArch target #4037

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Enable LoongArch target #4037

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961c2af
Initial version of enable loongarch target
wenyongh Jan 12, 2025
b1fc53b
fix typo
wenyongh Jan 12, 2025
47b51cf
Implement relocation and asm code, fix issues
wenyongh Jan 12, 2025
1d88462
add loongarch to build_llvm platform option list
xujuntwt95329 Mar 11, 2025
df04d38
add R_LARCH_64 relocation for loongarch
xujuntwt95329 Mar 14, 2025
61c9192
Merge pull request #974 from xujuntwt95329/dev/enable_aot_loongarch
wenyongh Mar 15, 2025
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add R_LARCH_64 relocation for loongarch
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@xujuntwt95329
xujuntwt95329 committed Mar 14, 2025
commit df04d38b0048461c503ab1c14cd9e80844c6b207
18 changes: 15 additions & 3 deletions core/iwasm/aot/arch/aot_reloc_loongarch.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

#include "aot_reloc.h"

#define R_LARCH_64 2
#define R_LARCH_B26 66
#define R_LARCH_PCALA_HI20 71
#define R_LARCH_PCALA_LO12 72
Expand Down Expand Up @@ -93,9 +94,8 @@ typedef struct RelocTypeStrMap {
}

static RelocTypeStrMap reloc_type_str_maps[] = {
RELOC_TYPE_MAP(R_LARCH_B26),
RELOC_TYPE_MAP(R_LARCH_PCALA_HI20),
RELOC_TYPE_MAP(R_LARCH_PCALA_LO12),
RELOC_TYPE_MAP(R_LARCH_64), RELOC_TYPE_MAP(R_LARCH_B26),
RELOC_TYPE_MAP(R_LARCH_PCALA_HI20), RELOC_TYPE_MAP(R_LARCH_PCALA_LO12),
RELOC_TYPE_MAP(R_LARCH_CALL36),
};

Expand Down Expand Up @@ -202,6 +202,18 @@ apply_relocation(AOTModule *module, uint8 *target_section_addr,
int64 X;

switch (reloc_type) {
case R_LARCH_64: /* S + A */
{
int64 val_64 = (int64)((intptr_t)S + (intptr_t)A);

CHECK_RELOC_OFFSET(sizeof(int64));
if (val_64 != ((intptr_t)S + (intptr_t)A)) {
goto fail_addr_out_of_range;
}

bh_memcpy_s(P, sizeof(int64_t), &val_64, sizeof(int64_t));
break;
}
case R_LARCH_B26:
case R_LARCH_CALL36: /* S + A - P */
{
Expand Down