diff options
Diffstat (limited to 'ldso/include/dl-defs.h')
| -rw-r--r-- | ldso/include/dl-defs.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ldso/include/dl-defs.h b/ldso/include/dl-defs.h index db65f78f6..932f6ac53 100644 --- a/ldso/include/dl-defs.h +++ b/ldso/include/dl-defs.h @@ -75,6 +75,14 @@ typedef struct { # define DL_LOADADDR_TYPE ElfW(Addr) #endif +/* When DL_LOADADDR_TYPE is not a scalar value, or some different + * computation is needed to relocate an address, define this. + */ +#ifndef DL_RELOC_ADDR +# define DL_RELOC_ADDR(LOADADDR, ADDR) \ + ((LOADADDR) + (ADDR)) +#endif + /* Initialize a LOADADDR representing the loader itself. It's only * called from DL_BOOT, so additional arguments passed to it may be * referenced. @@ -84,6 +92,24 @@ typedef struct { ((LOADADDR) = (BASEADDR)) #endif +/* Define if any declarations/definitions of local variables are + * needed in a function that calls DT_INIT_LOADADDR or + * DL_INIT_LOADADDR_HDR. Declarations must be properly terminated + * with a semicolon, and non-declaration statements are forbidden. + */ +#ifndef DL_INIT_LOADADDR_EXTRA_DECLS +# define DL_INIT_LOADADDR_EXTRA_DECLS /* int i; */ +#endif + +/* Prepare a DL_LOADADDR_TYPE data structure for incremental + * initialization with DL_INIT_LOADADDR_HDR, given pointers to a base + * load address and to program headers. + */ +#ifndef DL_INIT_LOADADDR +# define DL_INIT_LOADADDR(LOADADDR, BASEADDR, PHDR, PHDRCNT) \ + ((LOADADDR) = (BASEADDR)) +#endif + /* Initialize a LOADADDR representing the program. It's called from * DL_BOOT only. */ @@ -92,6 +118,13 @@ typedef struct { ((LOADADDR) = (DL_LOADADDR_TYPE)(BASEADDR)) #endif +/* Convert a DL_LOADADDR_TYPE to an identifying pointer. Used mostly + * for debugging. + */ +#ifndef DL_LOADADDR_BASE +# define DL_LOADADDR_BASE(LOADADDR) (LOADADDR) +#endif + /* Test whether a given ADDR is more likely to be within the memory * region mapped to TPNT (a struct elf_resolve *) than to TFROM. * Everywhere that this is used, TFROM is initially NULL, and whenever |