From 09bcc2042c9a695e202041f4d545a0e4639e3dda Mon Sep 17 00:00:00 2001 From: Rozlette Date: Tue, 16 Jan 2018 11:14:36 -0600 Subject: [PATCH] nso: Modify .bss size calculation logic --- src/core/loader/nso.cpp | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/core/loader/nso.cpp b/src/core/loader/nso.cpp index 7e1953701..833399511 100644 --- a/src/core/loader/nso.cpp +++ b/src/core/loader/nso.cpp @@ -19,7 +19,10 @@ struct NsoSegmentHeader { u32_le offset; u32_le location; u32_le size; - u32_le alignment; + union { + u32_le alignment; + u32_le bss_size; + }; }; static_assert(sizeof(NsoSegmentHeader) == 0x10, "NsoSegmentHeader has incorrect size."); @@ -120,14 +123,15 @@ VAddr AppLoader_NSO::LoadNso(const std::string& path, VAddr load_base, bool relo // Read MOD header ModHeader mod_header{}; - u32 bss_size{Memory::PAGE_SIZE}; // Default .bss to page size if MOD0 section doesn't exist + // Default .bss to size in segment header if MOD0 section doesn't exist + u32 bss_size{PageAlignSize(nso_header.segments[2].bss_size)}; std::memcpy(&mod_header, program_image.data() + module_offset, sizeof(ModHeader)); const bool has_mod_header{mod_header.magic == Common::MakeMagic('M', 'O', 'D', '0')}; if (has_mod_header) { // Resize program image to include .bss section and page align each section bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset); - codeset->data.size += bss_size; } + codeset->data.size += bss_size; const u32 image_size{PageAlignSize(static_cast(program_image.size()) + bss_size)}; program_image.resize(image_size);