Messages in this thread Patch in this message | | | From | Vitaly Mayatskikh <> | Subject | [PATCH 1/5] x86: Introduce ELF_CORE_EXTRACT_REGS | Date | Wed, 2 Jun 2010 09:39:15 +0200 |
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There is macro ELF_CORE_COPY_REGS_COMMON, which packs registers into elf_gregset_t. ELF_CORE_EXTRACT_REGS does contrary action: unpacks elf_gregset_t.
Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com> --- arch/x86/include/asm/elf.h | 46 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index f2ad216..5e3decb 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -144,6 +144,27 @@ do { \ savesegment(gs, pr_reg[10]); \ } while (0); +#define ELF_CORE_EXTRACT_REGS(pr_reg, regs) \ +do { \ + (regs)->bx = (pr_reg)[0]; \ + (regs)->cx = (pr_reg)[1]; \ + (regs)->dx = (pr_reg)[2]; \ + (regs)->si = (pr_reg)[3]; \ + (regs)->di = (pr_reg)[4]; \ + (regs)->bp = (pr_reg)[5]; \ + (regs)->ax = (pr_reg)[6]; \ + (regs)->ds = (pr_reg)[7]; \ + (regs)->es = (pr_reg)[8]; \ + (regs)->fs = (pr_reg)[9]; \ + (regs)->gs = (pr_reg)[10]; \ + (regs)->orig_ax = (pr_reg)[11]; \ + (regs)->ip = (pr_reg)[12]; \ + (regs)->cs = (pr_reg)[13]; \ + (regs)->flags = (pr_reg)[14]; \ + (regs)->sp = (pr_reg)[15]; \ + (regs)->ss = (pr_reg)[16]; \ +} while (0); + #define ELF_PLATFORM (utsname()->machine) #define set_personality_64bit() do { } while (0) @@ -221,6 +242,31 @@ do { \ asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v; \ } while (0); +#define ELF_CORE_EXTRACT_REGS(pr_reg, regs) \ +do { \ + (regs)->r15 = (pr_reg)[0]; \ + (regs)->r14 = (pr_reg)[1]; \ + (regs)->r13 = (pr_reg)[2]; \ + (regs)->r12 = (pr_reg)[3]; \ + (regs)->bp = (pr_reg)[4]; \ + (regs)->bx = (pr_reg)[5]; \ + (regs)->r11 = (pr_reg)[6]; \ + (regs)->r10 = (pr_reg)[7]; \ + (regs)->r9 = (pr_reg)[8]; \ + (regs)->r8 = (pr_reg)[9]; \ + (regs)->ax = (pr_reg)[10]; \ + (regs)->cx = (pr_reg)[11]; \ + (regs)->dx = (pr_reg)[12]; \ + (regs)->si = (pr_reg)[13]; \ + (regs)->di = (pr_reg)[14]; \ + (regs)->orig_ax = (pr_reg)[15]; \ + (regs)->ip = (pr_reg)[16]; \ + (regs)->cs = (pr_reg)[17]; \ + (regs)->flags = (pr_reg)[18]; \ + (regs)->sp = (pr_reg)[19]; \ + (regs)->ss = (pr_reg)[20]; \ +} while (0); + /* I'm not sure if we can use '-' here */ #define ELF_PLATFORM ("x86_64") extern void set_personality_64bit(void); -- 1.7.1
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