Maciej W. Rozycki wrote: > On Fri, 16 May 2003, Jan-Benedict Glaw wrote: > > > $ mips-linux-objdump -p indy-kernel > > > > indy-kernel: file format elf32-tradbigmips > > > > Program Header: > > 0x70000000 off 0x001c6000 vaddr 0x881c8000 paddr 0x881c8000 align 2**2 > > filesz 0x00000018 memsz 0x00000018 flags r-- > > LOAD off 0x00001000 vaddr 0x88002000 paddr 0x88002000 align 2**12 > > filesz 0x001a3b78 memsz 0x001a3b78 flags r-x > > LOAD off 0x001a5000 vaddr 0x881a6000 paddr 0x881a6000 align 2**12 > > filesz 0x0001ec40 memsz 0x0001ec40 flags rw- > > LOAD off 0x001c4000 vaddr 0x881c6000 paddr 0x881c6000 align 2**12 > > filesz 0x00018080 memsz 0x00054640 flags rwx > > private flags = 10001001: [abi=O32] [mips2] [not 32bitmode] > > Hmm, it looks reasonable and the end is indeed at 0x1dc07f (= 0x1c4000 + > 0x18080 - 1). > > > Elf file type is EXEC (Executable file) > > Entry point 0x881c8058 > > There are 4 program headers, starting at offset 52 > > > > Program Headers: > > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > > REGINFO 0x1c6000 0x881c8000 0x881c8000 0x00018 0x00018 R 0x4 > > LOAD 0x001000 0x88002000 0x88002000 0x1a3b78 0x1a3b78 R E 0x1000 > > LOAD 0x1a5000 0x881a6000 0x881a6000 0x1ec40 0x1ec40 RW 0x1000 > > LOAD 0x1c4000 0x881c6000 0x881c6000 0x18080 0x54640 RWE 0x1000 > > And this looks fine, too. > > But there is a notable difference to 2.4 kernels, at least these I > inspected. There are three loadable segments as opposed to two for 2.4 > and the boot loader may be unhappy about it, e.g. it may have a bug that > gets hit. You might want to reduce the number of segments (by changing > section flags -- look for ".section" gas directives). It's simpler to combine the relevant sections in the linker script than to change the code. Thiemo
