diff options
| -rw-r--r-- | ldso/ldso/powerpc/dl-sysdep.h | 12 | ||||
| -rw-r--r-- | ldso/ldso/powerpc/ld_sysdep.h | 12 |
2 files changed, 20 insertions, 4 deletions
diff --git a/ldso/ldso/powerpc/dl-sysdep.h b/ldso/ldso/powerpc/dl-sysdep.h index fb22d1585..abd426830 100644 --- a/ldso/ldso/powerpc/dl-sysdep.h +++ b/ldso/ldso/powerpc/dl-sysdep.h @@ -99,13 +99,21 @@ * is done. This routine has to exit the current function, then * call the _dl_elf_main function. */ + +/* hgb@ifi.uio.no: + * Adding a clobber list consisting of r0 for %1. addi on PowerPC + * takes a register as the second argument, but if the register is + * r0, the value 0 is used instead. If r0 is used here, the stack + * pointer (r1) will be zeroed, and the dynamically linked + * application will seg.fault immediatly when receiving control. + */ #define START() \ __asm__ volatile ( \ "addi 1,%1,0\n\t" \ "mtlr %0\n\t" \ "blrl\n\t" \ - : : "r" (_dl_elf_main), "r" (args)) - + : : "r" (_dl_elf_main), "r" (args) \ + : "r0") /* Here we define the magic numbers that this dynamic loader should accept */ diff --git a/ldso/ldso/powerpc/ld_sysdep.h b/ldso/ldso/powerpc/ld_sysdep.h index fb22d1585..abd426830 100644 --- a/ldso/ldso/powerpc/ld_sysdep.h +++ b/ldso/ldso/powerpc/ld_sysdep.h @@ -99,13 +99,21 @@ * is done. This routine has to exit the current function, then * call the _dl_elf_main function. */ + +/* hgb@ifi.uio.no: + * Adding a clobber list consisting of r0 for %1. addi on PowerPC + * takes a register as the second argument, but if the register is + * r0, the value 0 is used instead. If r0 is used here, the stack + * pointer (r1) will be zeroed, and the dynamically linked + * application will seg.fault immediatly when receiving control. + */ #define START() \ __asm__ volatile ( \ "addi 1,%1,0\n\t" \ "mtlr %0\n\t" \ "blrl\n\t" \ - : : "r" (_dl_elf_main), "r" (args)) - + : : "r" (_dl_elf_main), "r" (args) \ + : "r0") /* Here we define the magic numbers that this dynamic loader should accept */ |