arch.h revision 58b2d0fd5deed5f33fbd47a6b6e5c109f43908b5
150b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata#ifndef LTRACE_PPC_ARCH_H 250b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata#define LTRACE_PPC_ARCH_H 350b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata 450b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata#include <gelf.h> 550b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata 65bfb061c4c7cfac6e1882a586cf36c849d95fceaJuan Cespedes#define BREAKPOINT_VALUE { 0x7f, 0xe0, 0x00, 0x08 } 7f1bfe203f5f1c0e11a614f9d593a68406f5cb47eJuan Cespedes#define BREAKPOINT_LENGTH 4 8f1bfe203f5f1c0e11a614f9d593a68406f5cb47eJuan Cespedes#define DECR_PC_AFTER_BREAK 0 9d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes 10d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#define LT_ELFCLASS ELFCLASS32 11d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#define LT_ELF_MACHINE EM_PPC 12b3f8fef12fccb0914b7b28725f42192c279d31c9Petr Machata 1376c61f15d7989bf7adffed2e46a44c34a80bd927Paul Gilliam#ifdef __powerpc64__ // Says 'ltrace' is 64 bits, says nothing about target. 149a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand#define LT_ELFCLASS2 ELFCLASS64 159a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand#define LT_ELF_MACHINE2 EM_PPC64 16b3f8fef12fccb0914b7b28725f42192c279d31c9Petr Machata#define ARCH_SUPPORTS_OPD 177003feea8035a3c4ee661dc2556d158e9ba41d39Petr Machata#endif 189a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand 19be3207721cb07e7d01a81fb3beecd0327201478cPaul Gilliam#define PLT_REINITALISATION_BP "_start" 209a2ad351a1c3215dc596ff3e2e3fd4bc24445a6bIan Wienand 2155c5feba87bbb8d9190a71ec5ddc38380a384bf7Luis Machado#define ARCH_HAVE_UMOVELONG 22a266acb9c3bbde884a32268f164de62d03aa04d0Petr Machata#define ARCH_HAVE_ATOMIC_SINGLESTEP 2350b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata#define ARCH_HAVE_ADD_PLT_ENTRY 24644d669f96c0fe261fe938cecda41938e804c7d9Petr Machata#define ARCH_HAVE_LTELF_DATA 25b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata#define ARCH_HAVE_BREAKPOINT_DATA 26b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata#define ARCH_HAVE_LIBRARY_SYMBOL_DATA 2750b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata 2850b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machatastruct library_symbol; 29e67635d6dcecb0f44448a5329d69fd0de74ebabaPetr Machatastruct arch_ltelf_data { 30e67635d6dcecb0f44448a5329d69fd0de74ebabaPetr Machata GElf_Addr plt_stub_vma; 314e2073f64f9db2974d89064dcdc49b2ed7aa9006Petr Machata int secure_plt; 3250b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata struct library_symbol *stubs; 33e67635d6dcecb0f44448a5329d69fd0de74ebabaPetr Machata}; 3450b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata 35b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machataenum ppc64_plt_type { 36b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata /* STUB, never resolved. */ 37b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata PPC64PLT_STUB, 38b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata 39b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata /* Unresolved PLT symbol (.plt contains PLT address). */ 40b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata PPC64PLT_UNRESOLVED, 41b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata 42b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata /* Resolved PLT symbol. The corresponding .plt slot contained 43b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata * target address, which was changed to the address of 44b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata * corresponding PLT entry. The original is now saved in 45b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata * orig_addr. */ 46b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata PPC64PLT_RESOLVED, 47b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata}; 48b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata 49b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machatastruct arch_library_symbol_data { 50b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata enum ppc64_plt_type type; 5158b2d0fd5deed5f33fbd47a6b6e5c109f43908b5Petr Machata GElf_Addr resolved_value; 5258b2d0fd5deed5f33fbd47a6b6e5c109f43908b5Petr Machata 5358b2d0fd5deed5f33fbd47a6b6e5c109f43908b5Petr Machata /* Address of corresponding slot in .plt. */ 5458b2d0fd5deed5f33fbd47a6b6e5c109f43908b5Petr Machata GElf_Addr plt_slot_addr; 55b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata}; 56b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata 57b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machatastruct arch_breakpoint_data { 58b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata}; 59b64b5c7b6f4a368ccaf60507090192845221a3bePetr Machata 6050b96039ebfc60825bb7afb8ab8f56bb87aeb67bPetr Machata#endif /* LTRACE_PPC_ARCH_H */ 61