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Remove redundant file operation functions

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This commit is contained in:
EnderIce2
2024-04-01 04:36:11 +03:00
parent bbb67b6a88
commit a49e5e9913
15 changed files with 153 additions and 320 deletions
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18
exec/elf/parse/elf_get_sections.cpp
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@ -21,24 +21,24 @@
namespace Execute
{
std::vector<Elf64_Shdr> ELFGetSections_x86_64(int fd,
std::vector<Elf64_Shdr> ELFGetSections_x86_64(vfs::RefNode *fd,
const char *SectionName)
{
#if defined(a64) || defined(aa64)
off_t OldOffset = lseek(fd, 0, SEEK_CUR);
off_t OldOffset = fd->seek(0, SEEK_CUR);
std::vector<Elf64_Shdr> Ret;
Elf64_Ehdr ELFHeader;
lseek(fd, 0, SEEK_SET);
fread(fd, (uint8_t *)&ELFHeader, sizeof(Elf64_Ehdr));
fd->seek(0, SEEK_SET);
fd->read((uint8_t *)&ELFHeader, sizeof(Elf64_Ehdr));
Elf64_Shdr *SectionHeaders = new Elf64_Shdr[ELFHeader.e_shnum];
lseek(fd, ELFHeader.e_shoff, SEEK_SET);
fread(fd, (uint8_t *)SectionHeaders, sizeof(Elf64_Shdr) * ELFHeader.e_shnum);
fd->seek(ELFHeader.e_shoff, SEEK_SET);
fd->read((uint8_t *)SectionHeaders, sizeof(Elf64_Shdr) * ELFHeader.e_shnum);
char *SectionNames = new char[SectionHeaders[ELFHeader.e_shstrndx].sh_size];
lseek(fd, SectionHeaders[ELFHeader.e_shstrndx].sh_offset, SEEK_SET);
fread(fd, (uint8_t *)SectionNames, SectionHeaders[ELFHeader.e_shstrndx].sh_size);
fd->seek(SectionHeaders[ELFHeader.e_shstrndx].sh_offset, SEEK_SET);
fd->read((uint8_t *)SectionNames, SectionHeaders[ELFHeader.e_shstrndx].sh_size);
for (Elf64_Half i = 0; i < ELFHeader.e_shnum; ++i)
{
@ -47,7 +47,7 @@ namespace Execute
Ret.push_back(SectionHeaders[i]);
}
lseek(fd, OldOffset, SEEK_SET);
fd->seek(OldOffset, SEEK_SET);
delete[] SectionHeaders;
delete[] SectionNames;
return Ret;