| Roland McGrath | f6b46eb | 2008-01-30 13:30:41 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Linker script for vDSO. This is an ELF shared object prelinked to |
| 3 | * its virtual address, and with only one read-only segment. |
| 4 | * This script controls its layout. |
| 5 | */ |
| 6 | |
| 7 | SECTIONS |
| 8 | { |
| 9 | . = VDSO_PRELINK + SIZEOF_HEADERS; |
| 10 | |
| 11 | .hash : { *(.hash) } :text |
| 12 | .gnu.hash : { *(.gnu.hash) } |
| 13 | .dynsym : { *(.dynsym) } |
| 14 | .dynstr : { *(.dynstr) } |
| 15 | .gnu.version : { *(.gnu.version) } |
| 16 | .gnu.version_d : { *(.gnu.version_d) } |
| 17 | .gnu.version_r : { *(.gnu.version_r) } |
| 18 | |
| 19 | .note : { *(.note.*) } :text :note |
| 20 | |
| 21 | .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr |
| 22 | .eh_frame : { KEEP (*(.eh_frame)) } :text |
| 23 | |
| 24 | .dynamic : { *(.dynamic) } :text :dynamic |
| 25 | |
| 26 | .rodata : { *(.rodata*) } :text |
| 27 | .data : { |
| 28 | *(.data*) |
| 29 | *(.sdata*) |
| 30 | *(.got.plt) *(.got) |
| 31 | *(.gnu.linkonce.d.*) |
| 32 | *(.bss*) |
| 33 | *(.dynbss*) |
| 34 | *(.gnu.linkonce.b.*) |
| 35 | } |
| 36 | |
| 37 | .altinstructions : { *(.altinstructions) } |
| 38 | .altinstr_replacement : { *(.altinstr_replacement) } |
| 39 | |
| 40 | /* |
| 41 | * Align the actual code well away from the non-instruction data. |
| 42 | * This is the best thing for the I-cache. |
| 43 | */ |
| 44 | . = ALIGN(0x100); |
| 45 | |
| 46 | .text : { *(.text*) } :text =0x90909090 |
| 47 | } |
| 48 | |
| 49 | /* |
| 50 | * Very old versions of ld do not recognize this name token; use the constant. |
| 51 | */ |
| 52 | #define PT_GNU_EH_FRAME 0x6474e550 |
| 53 | |
| 54 | /* |
| 55 | * We must supply the ELF program headers explicitly to get just one |
| 56 | * PT_LOAD segment, and set the flags explicitly to make segments read-only. |
| 57 | */ |
| 58 | PHDRS |
| 59 | { |
| 60 | text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ |
| 61 | dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ |
| 62 | note PT_NOTE FLAGS(4); /* PF_R */ |
| 63 | eh_frame_hdr PT_GNU_EH_FRAME; |
| 64 | } |