> From: Joakim Tjernlund <joakim.tjernl...@transmode.se> > To: u-boot@lists.denx.de, Scott Wood <scottw...@freescale.com>, Kim Phillips > <kim.phill...@freescale.com> > Cc: Joakim Tjernlund <joakim.tjernl...@transmode.se> > Date: 2010/10/13 23:12 > Subject: [U-Boot] [PATCHv3] mpc83xx: Add -fpic relocation support > Sent by: u-boot-boun...@lists.denx.de > > This adds relocation of .got entries produced > by -fpic. -fpic produces 2-3% smaller code and > is faster. Unfortunately gcc promotes -fpic to > -fPIC when -mrelocatable is used so one need a very > small patch to gcc too(sent upstream). > > -fpic puts its GOT entries in .got section(s) and > linker defines the symbol _GLOBAL_OFFSET_TABLE_ to point > to the middle of this table. The entry at _GLOBAL_OFFSET_TABLE_-4 > contains a blrl insn which is used to find the table's > real address by branching to _GLOBAL_OFFSET_TABLE_-4.
Ping? Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
