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Compress shared library for amd64-linux.

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This commit is contained in:
John Reiser
2009-10-17 21:55:03 -07:00
parent 5085f3a15e
commit 147acf4b57
6 changed files with 1446 additions and 66 deletions
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src/p_lx_elf.h
+17 -5
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@@ -63,7 +63,7 @@ protected:
virtual void addStubEntrySections(Filter const *);
virtual void unpack(OutputFile *fo);
virtual unsigned elf_get_offset_from_address(unsigned) const = 0;
virtual unsigned elf_get_offset_from_address(uint64_t) const = 0;
virtual void const *elf_find_dynamic(unsigned) const = 0;
virtual uint64_t elf_unsigned_dynamic(unsigned) const = 0;
@@ -78,9 +78,9 @@ protected:
unsigned lg2_page; // log2(PAGE_SIZE)
unsigned page_size; // 1u<<lg2_page
unsigned xct_off; // shared library: file offset of SHT_EXECINSTR
unsigned xct_va; // minimum SHT_EXECINSTR virtual address
unsigned hatch_off; // file offset of escape hatch
unsigned hatch_va; // virtual address of escape hatch
uint64_t load_va; // PT_LOAD[0].p_vaddr
uint64_t xct_va; // minimum SHT_EXECINSTR virtual address
unsigned short e_machine;
unsigned char ei_class;
@@ -132,7 +132,7 @@ protected:
static unsigned elf_hash(char const *) /*const*/;
static unsigned gnu_hash(char const *) /*const*/;
virtual Elf32_Sym const *elf_lookup(char const *) const;
virtual unsigned elf_get_offset_from_address(unsigned) const;
virtual unsigned elf_get_offset_from_address(uint64_t) const;
Elf32_Shdr const *elf_find_section_name(char const *) const;
Elf32_Shdr const *elf_find_section_type(unsigned) const;
void const *elf_find_dynamic(unsigned) const;
@@ -229,16 +229,28 @@ protected:
virtual unsigned find_LOAD_gap(Elf64_Phdr const *const phdri, unsigned const k,
unsigned const e_phnum);
virtual unsigned elf_get_offset_from_address(unsigned) const;
virtual unsigned elf_get_offset_from_address(uint64_t) const;
Elf64_Shdr const *elf_find_section_name(char const *) const;
Elf64_Shdr const *elf_find_section_type(unsigned) const;
void const *elf_find_dynamic(unsigned) const;
uint64_t elf_unsigned_dynamic(unsigned) const;
protected:
Elf64_Ehdr ehdri; // from input file
Elf64_Phdr *phdri; // for input file
Elf64_Shdr const *shdri; // from input file
acc_uint64l_t page_mask; // AND clears the offset-within-page
Elf64_Dyn const *dynseg; // from PT_DYNAMIC
unsigned int const *hashtab; // from DT_HASH
unsigned int const *gashtab; // from DT_GNU_HASH
Elf64_Sym const *dynsym; // from DT_SYMTAB
char const *shstrtab; // via Elf64_Shdr
int n_elf_shnum; // via e_shnum
Elf64_Shdr const *sec_strndx;
Elf64_Shdr const *sec_dynsym;
Elf64_Shdr const *sec_dynstr;
__packed_struct(cprElfHdr1)
Elf64_Ehdr ehdr;