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[makerom] Fix BSS duplication in ExeFS code, issue #20

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This commit is contained in:
jakcron
2016-01-16 10:39:40 +08:00
parent 2ffdca34c5
commit 8ac78cac33
1 changed files with 14 additions and 15 deletions
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makerom/code.c
+14 -15
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@@ -12,9 +12,8 @@ typedef struct code_segment
{
u32 address;
u32 memSize;
u32 fileSize;
u32 pageNum;
u32 size;
const u8 *data;
} code_segment;
@@ -132,7 +131,7 @@ void CreateCodeSegmentFromElf(code_segment *out, elf_context *elf, u64 segment_f
out->address = 0;
out->memSize = 0;
out->pageNum = 0;
out->size = 0;
out->fileSize = 0;
out->data = NULL;
/* Find segment */
@@ -147,8 +146,8 @@ void CreateCodeSegmentFromElf(code_segment *out, elf_context *elf, u64 segment_f
if ((segments[i].flags & ~PF_CTRSDK) == segment_flags && segments[i].type == PT_LOAD) {
out->address = segments[i].vAddr;
out->memSize = segments[i].memSize;
out->pageNum = SizeToPage(out->memSize);
out->size = segments[i].fileSize;
out->fileSize = segments[i].fileSize;
out->pageNum = SizeToPage(out->fileSize);
out->data = segments[i].ptr;
break;
}
@@ -167,23 +166,23 @@ int CreateExeFsCode(elf_context *elf, ncch_settings *set)
CreateCodeSegmentFromElf(&rwdata, elf, PF_DATA);
/* Checking the existence of essential ELF Segments */
if (!text.size) return NOT_FIND_TEXT_SEGMENT;
if (!rwdata.size) return NOT_FIND_DATA_SEGMENT;
if (!text.fileSize) return NOT_FIND_TEXT_SEGMENT;
if (!rwdata.fileSize) return NOT_FIND_DATA_SEGMENT;
/* Calculating BSS size */
set->codeDetails.bssSize = rwdata.memSize - rwdata.size;
/* Calculating BSS fileSize */
set->codeDetails.bssSize = rwdata.memSize - rwdata.fileSize;
/* Allocating Buffer for ExeFs Code */
u32 size = PageToSize(text.pageNum + rodata.pageNum + rwdata.pageNum);
u8 *code = calloc(1, size);
/* Writing Code into Buffer */
u8 *textPos = (code + text.address - text.address);
u8 *rodataPos = (code + rodata.address - text.address);
u8 *rwdataPos = (code + rwdata.address - text.address);
if (text.size) memcpy(textPos, text.data, text.size);
if (rodata.size) memcpy(rodataPos, rodata.data, rodata.size);
if (rwdata.size) memcpy(rwdataPos, rwdata.data, rwdata.size);
u8 *textPos = (code + PageToSize(0));
u8 *rodataPos = (code + PageToSize(text.pageNum));
u8 *rwdataPos = (code + PageToSize(text.pageNum + rodata.pageNum));
if (text.fileSize) memcpy(textPos, text.data, text.fileSize);
if (rodata.fileSize) memcpy(rodataPos, rodata.data, rodata.fileSize);
if (rwdata.fileSize) memcpy(rwdataPos, rwdata.data, rwdata.fileSize);
/* Compressing if needed */