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ro: bss size is allowed to be zero
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889ea5e5aa
commit
b0cae74bb9
1 changed files with 10 additions and 3 deletions
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@ -286,7 +286,7 @@ namespace ams::ro::impl {
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}
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}
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constexpr inline Result ValidateAddressAndSize(u64 address, u64 size) {
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constexpr inline Result ValidateAddressAndNonZeroSize(u64 address, u64 size) {
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R_UNLESS(util::IsAligned(address, os::MemoryPageSize), ResultInvalidAddress());
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R_UNLESS(size != 0, ResultInvalidSize());
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R_UNLESS(util::IsAligned(size, os::MemoryPageSize), ResultInvalidSize());
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@ -294,6 +294,13 @@ namespace ams::ro::impl {
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return ResultSuccess();
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}
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constexpr inline Result ValidateAddressAndSize(u64 address, u64 size) {
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R_UNLESS(util::IsAligned(address, os::MemoryPageSize), ResultInvalidAddress());
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R_UNLESS(util::IsAligned(size, os::MemoryPageSize), ResultInvalidSize());
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R_UNLESS(size == 0 || address < address + size, ResultInvalidSize());
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return ResultSuccess();
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}
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}
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/* Access utilities. */
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@ -366,7 +373,7 @@ namespace ams::ro::impl {
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const ncm::ProgramId program_id = context->GetProgramId(process_h);
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/* Validate address/size. */
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R_TRY(ValidateAddressAndSize(nrr_address, nrr_size));
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R_TRY(ValidateAddressAndNonZeroSize(nrr_address, nrr_size));
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/* Check we have space for a new NRR. */
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NrrInfo *nrr_info = nullptr;
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@ -415,7 +422,7 @@ namespace ams::ro::impl {
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AMS_ASSERT(context != nullptr);
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/* Validate address/size. */
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R_TRY(ValidateAddressAndSize(nro_address, nro_size));
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R_TRY(ValidateAddressAndNonZeroSize(nro_address, nro_size));
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R_TRY(ValidateAddressAndSize(bss_address, bss_size));
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const u64 total_size = nro_size + bss_size;
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