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Add reloc convert PPC ELF (#17191)

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* Add patch from @ret2libc
* Add regression test
This commit is contained in:
Alexis Ehret 2020-07-01 15:39:18 +02:00 committed by GitHub
parent 13e1636d97
commit 0b2276e2bb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 6 deletions
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9
libr/bin/p/bin_elf.inc
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@ -666,6 +666,15 @@ static RBinReloc *reloc_convert(struct Elf_(r_bin_elf_obj_t) *bin, RBinElfReloc
default: break; // reg relocations
}
break;
case EM_PPC: switch (rel->type) {
case R_PPC_NONE: break;
case R_PPC_GLOB_DAT: ADD (32, 0);
case R_PPC_JMP_SLOT: ADD (32, 0);
default:
eprintf ("unimplemented ELF/PPC reloc type %d\n", rel->type);
break;
}
break;
default: break;
}

27
test/db/formats/elf/elf-relarm
View File

@ -20,20 +20,35 @@ RUN
NAME=ELF: ppc relocs
FILE=bins/elf/hello.ppc
BROKEN=1
CMDS=<<EOF
ii
ir
s main
af
pdsf
EOF
EXPECT=<<EOF
[Imports]
1 0x10020064 GLOBAL FUNC printf
2 0x10020074 WEAK NOTYPE __gmon_start__
3 0x10020084 GLOBAL FUNC __libc_start_main
;-- main:
nth vaddr bind type lib name
-------------------------------------
1 0x00000000 GLOBAL FUNC printf
2 0x00000000 WEAK NOTYPE __gmon_start__
3 0x00000000 GLOBAL FUNC __libc_start_main
[Relocations]
vaddr paddr type name
---------------------------------
0x10020008 0x00010008 ADD_32 __gmon_start__
0x10020064 0x10020064 ADD_32 printf
0x10020064 0x10020064 ADD_32 printf
0x1002006c 0x1002006c ADD_32 __gmon_start__
0x1002006c 0x1002006c ADD_32 __gmon_start__
0x10020074 0x10020074 ADD_32 __libc_start_main
0x10020074 0x10020074 ADD_32 __libc_start_main
7 relocations
0x100004a0 str.Simple_PPC_program. str.Simple_PPC_program.
0x100004a4 sym.imp.printf
EOF
RUN