diff options
Diffstat (limited to 'bfd/elf64-s390.c')
| -rw-r--r-- | bfd/elf64-s390.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/bfd/elf64-s390.c b/bfd/elf64-s390.c index c06eae9..0eb9b53 100644 --- a/bfd/elf64-s390.c +++ b/bfd/elf64-s390.c @@ -540,18 +540,18 @@ elf_s390_is_local_label_name (abfd, name) RET1: BASR 1,0 # 2 bytes Return from GOT 1st time LGF 1,12(1) # 6 bytes Load offset in symbl table in r1 BRCL 15,-x # 6 bytes Jump to start of PLT - .long ? # 4 bytes offset into symbol table + .long ? # 4 bytes offset into .rela.plt Total = 32 bytes per PLT entry Fixup at offset 2: relative address to GOT entry Fixup at offset 22: relative branch to PLT0 - Fixup at offset 28: 32 bit offset into symbol table + Fixup at offset 28: 32 bit offset into .rela.plt - A 32 bit offset into the symbol table is enough. It allows for symbol - tables up to a size of 2 gigabyte. A single dynamic object (the main - program, any shared library) is limited to 4GB in size and I want to see - the program that manages to have a symbol table of more than 2 GB with a - total size of at max 4 GB. */ + A 32 bit offset into the symbol table is enough. It allows for + .rela.plt sections up to a size of 2 gigabyte. A single dynamic + object (the main program, any shared library) is limited to 4GB in + size. Having a .rela.plt of 2GB would already make the .plt + section bigger than 8GB. */ static const bfd_byte elf_s390x_plt_entry[PLT_ENTRY_SIZE] = { @@ -565,8 +565,8 @@ static const bfd_byte elf_s390x_plt_entry[PLT_ENTRY_SIZE] = }; /* The first PLT entry pushes the offset into the symbol table - from R1 onto the stack at 8(15) and the loader object info - at 12(15), loads the loader address in R1 and jumps to it. */ + from R1 onto the stack at 56(15) and the loader object info + at 48(15), loads the loader address in R1 and jumps to it. */ /* The first entry in the PLT: @@ -3065,7 +3065,7 @@ elf_s390_finish_dynamic_symbol (bfd *output_bfd, bfd_put_32 (output_bfd, - (PLT_FIRST_ENTRY_SIZE + (PLT_ENTRY_SIZE * plt_index) + 22)/2, htab->elf.splt->contents + h->plt.offset + 24); - /* Fixup offset into symbol table */ + /* Fixup offset into .rela.plt section. */ bfd_put_32 (output_bfd, plt_index * sizeof (Elf64_External_Rela), htab->elf.splt->contents + h->plt.offset + 28); |